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<!-- Generated by CompSci Transform (tm) - http://www.compsciresources.com -->    
<!-- Created: Thu Mar 19 00:53:38 UTC 2026 -->  
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">    
  <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel"/>    
  <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel"/>  
  <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel"/>    
  <labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">    
    <loc xlink:type="locator" xlink:label="ifrs-full_CurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssets"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentAssets_lbl" xml:lang="en-US">Total current assets</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentAssets_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssets"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NoncurrentAssets_lbl" xml:lang="en-US">Total non - current assets</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_NoncurrentAssets_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_Assets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Assets"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Assets_lbl" xml:lang="en-US">Total assets</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_Assets_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_CurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilities"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentLiabilities_lbl" xml:lang="en-US">Total current liabilities</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentLiabilities_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilities"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NoncurrentLiabilities_lbl" xml:lang="en-US">Total non - current liabilities</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilities" xlink:to="ifrs-full_NoncurrentLiabilities_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent_lbl" xml:lang="en-US">Equity attributable to owners of the Company</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_EquityAttributableToOwnersOfParent_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US">Total equity</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_Equity_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_Equity_lbl0" xml:lang="en-US">Balance</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_Equity_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_Equity_lbl1" xml:lang="en-US">Balance</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_Equity_lbl1"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_EquityAndLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilities"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_EquityAndLiabilities_lbl" xml:lang="en-US">Total liabilities and equity</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_EquityAndLiabilities_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_IncomeStatementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeStatementAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeStatementAbstract_lbl" xml:lang="en-US">Profit or Loss [Abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_IncomeStatementAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_OperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingExpense"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OperatingExpense_lbl" xml:lang="en-US">Operating loss</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OperatingExpense" xlink:to="ifrs-full_OperatingExpense_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US">Loss for the year</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLoss_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLoss_lbl0" xml:lang="en-US">Loss for the year</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLoss_lbl0"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncome"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_ComprehensiveIncome_lbl" xml:lang="en-US">Total comprehensive loss for the year</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ComprehensiveIncome_lbl"/>    
    <loc xlink:type="locator" xlink:label="srt_CurrencyAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CurrencyAxis"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_CurrencyAxis_lbl" xml:lang="en-US">Currency [Axis]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CurrencyAxis" xlink:to="srt_CurrencyAxis_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityAxis"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComponentsOfEquityAxis_lbl" xml:lang="en-US">Components of equity [axis]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_ComponentsOfEquityAxis_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl" xml:lang="en-US">Net cash used in operating activities</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xml:lang="en-US">Net cash provided by investing activities</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xml:lang="en-US">Net cash provided by financing activities</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_lbl" xml:lang="en-US">Net increase (decrease) in cash and cash equivalents</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_CashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalents"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US">Cash and cash equivalents at the beginning of the year</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="ifrs-full_CashAndCashEquivalents_lbl"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl0" xml:lang="en-US">Cash and cash equivalents at end of the year</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="ifrs-full_CashAndCashEquivalents_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl1" xml:lang="en-US">Cash and cash equivalents</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="ifrs-full_CashAndCashEquivalents_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl2" xml:lang="en-US">Total cash and cash equivalents</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="ifrs-full_CashAndCashEquivalents_lbl2"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotesAndOtherExplanatoryInformationAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotesAndOtherExplanatoryInformationAbstract_lbl" xml:lang="en-US">General [Abstract]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:to="ifrs-full_NotesAndOtherExplanatoryInformationAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract_lbl" xml:lang="en-US">Basis of Preparation of the Consolidated Financial Statements [Abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:to="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ForeignExchangeRatesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ForeignExchangeRatesAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ForeignExchangeRatesAbstract_lbl" xml:lang="en-US">Schedule of Data on Exchange Rates [Abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ForeignExchangeRatesAbstract" xlink:to="ifrs-full_ForeignExchangeRatesAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract_lbl" xml:lang="en-US">Material Accounting Policies [Abstract]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract" xlink:to="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsAbstract_lbl" xml:lang="en-US">Intangible Assets [Abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_lbl" xml:lang="en-US">Classes of intangible assets other than goodwill [axis]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_CashAndCashEquivalentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalentsAbstract"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashAndCashEquivalentsAbstract_lbl" xml:lang="en-US">Cash and Cash Equivalents [Abstract]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalentsAbstract" xlink:to="ifrs-full_CashAndCashEquivalentsAbstract_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PresentationOfLeasesForLesseeAbstract"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PresentationOfLeasesForLesseeAbstract_lbl" xml:lang="en-US">Leases [Abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:to="ifrs-full_PresentationOfLeasesForLesseeAbstract_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_RightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssets"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_RightofuseAssets_lbl" xml:lang="en-US">Balance at beginning</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RightofuseAssets" xlink:to="ifrs-full_RightofuseAssets_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_RightofuseAssets_lbl0" xml:lang="en-US">Balance at ending</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RightofuseAssets" xlink:to="ifrs-full_RightofuseAssets_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RightofuseAssets_lbl1" xml:lang="en-US">Right to use assets</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RightofuseAssets" xlink:to="ifrs-full_RightofuseAssets_lbl1"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis_lbl" xml:lang="en-US">Classes of financial instruments [axis]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsAxis_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_MaturityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAxis"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MaturityAxis_lbl" xml:lang="en-US">Maturity [axis]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_MaturityAxis_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_LeaseLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilitiesAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LeaseLiabilitiesAbstract_lbl" xml:lang="en-US">Schedule of Amounts Recognized in Profit or Loss [Abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseLiabilitiesAbstract" xlink:to="ifrs-full_LeaseLiabilitiesAbstract_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract_lbl" xml:lang="en-US">Other Current Assets [Abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_CurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssetsAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAssetsAbstract_lbl" xml:lang="en-US">Schedule of Other Current Assets [Abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssetsAbstract" xlink:to="ifrs-full_CurrentAssetsAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_OtherCurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentAssets"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherCurrentAssets_lbl" xml:lang="en-US">Total other current assets</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentAssets" xlink:to="ifrs-full_OtherCurrentAssets_lbl"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentAssets_lbl0" xml:lang="en-US">Other current assets</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentAssets" xlink:to="ifrs-full_OtherCurrentAssets_lbl0"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_TradeAndOtherPayablesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherPayablesAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherPayablesAbstract_lbl" xml:lang="en-US">Other Payables [Abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherPayablesAbstract" xlink:to="ifrs-full_TradeAndOtherPayablesAbstract_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesAbstract_lbl" xml:lang="en-US">Schedule of Other Payables [Abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentPayablesAbstract" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_OtherCurrentPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentPayables"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherCurrentPayables_lbl" xml:lang="en-US">Total other payables</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentPayables" xlink:to="ifrs-full_OtherCurrentPayables_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentPayables_lbl0" xml:lang="en-US">Other payables</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentPayables" xlink:to="ifrs-full_OtherCurrentPayables_lbl0"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_EquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAbstract_lbl" xml:lang="en-US">Equity [Abstract]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAbstract" xlink:to="ifrs-full_EquityAbstract_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityAbstract_lbl0" xml:lang="en-US">Equity</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAbstract" xlink:to="ifrs-full_EquityAbstract_lbl0"/>     
    <loc xlink:type="locator" xlink:label="ppbt_ClassesOfPreferredSharesAxis" xlink:href="ppbt-20251231.xsd#ppbt_ClassesOfPreferredSharesAxis"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ClassesOfPreferredSharesAxis_lbl" xml:lang="en-US">Classes Of Preferred Shares [Axis]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ClassesOfPreferredSharesAxis" xlink:to="ppbt_ClassesOfPreferredSharesAxis_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfSharesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesIssued"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfSharesIssued_lbl" xml:lang="en-US">Issued as at January 1</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesIssued" xlink:to="ifrs-full_NumberOfSharesIssued_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfSharesIssued_lbl0" xml:lang="en-US">Issued as at December 31</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesIssued" xlink:to="ifrs-full_NumberOfSharesIssued_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfSharesIssued_lbl1" xml:lang="en-US">Shares issued</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesIssued" xlink:to="ifrs-full_NumberOfSharesIssued_lbl1"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterestsContinuingAndDiscontinuedOperationsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterestsContinuingAndDiscontinuedOperationsAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterestsContinuingAndDiscontinuedOperationsAbstract_lbl" xml:lang="en-US">Schedule of the Information Relating to Non-Controlling Interests [Abstract]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterestsContinuingAndDiscontinuedOperationsAbstract" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterestsContinuingAndDiscontinuedOperationsAbstract_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_lbl" xml:lang="en-US">Share-based Payment Arrangements [Abstract]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsAbstract_lbl" xml:lang="en-US">Schedule of Number and Weighted Average Exercise Prices of Share Options [Abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsAbstract" xlink:to="ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US">Weighted average exercise price, Outstanding beginning balance</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_lbl"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_lbl0" xml:lang="en-US">Weighted average exercise price, Outstanding ending balance</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_lbl0"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfOutstandingShareOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOutstandingShareOptions"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfOutstandingShareOptions_lbl" xml:lang="en-US">Number of options, Outstanding beginning balance</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOutstandingShareOptions" xlink:to="ifrs-full_NumberOfOutstandingShareOptions_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfOutstandingShareOptions_lbl0" xml:lang="en-US">Number of options, Outstanding ending balance</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOutstandingShareOptions" xlink:to="ifrs-full_NumberOfOutstandingShareOptions_lbl0"/>    
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfNumberOfRsusAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfNumberOfRsusAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfNumberOfRsusAbstract_lbl" xml:lang="en-US">Schedule of Number of RSUs [Abstract]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfNumberOfRsusAbstract" xlink:to="ppbt_ScheduleOfNumberOfRsusAbstract_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US">Outstanding at January 1</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl0" xml:lang="en-US">Outstanding at December 31</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl0"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeAxis"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RangeAxis_lbl" xml:lang="en-US">Range [axis]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangeAxis_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_lbl" xml:lang="en-US">Attribution of expenses by nature to their function [axis]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:to="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract_lbl" xml:lang="en-US">Transactions and Balances with Related Parties [Abstract]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="srt_TitleOfIndividualAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_TitleOfIndividualAxis"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_TitleOfIndividualAxis_lbl" xml:lang="en-US">Title and Position [Axis]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_TitleOfIndividualAxis" xlink:to="srt_TitleOfIndividualAxis_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_KeyManagementPersonnelCompensation" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensation"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensation_lbl" xml:lang="en-US">Total</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensation" xlink:to="ifrs-full_KeyManagementPersonnelCompensation_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_CommitmentsAndContingentLiabilitiesAbstract" xlink:href="ppbt-20251231.xsd#ppbt_CommitmentsAndContingentLiabilitiesAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_CommitmentsAndContingentLiabilitiesAbstract_lbl" xml:lang="en-US">Commitments and Contingent Liabilities [Abstract]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CommitmentsAndContingentLiabilitiesAbstract" xlink:to="ppbt_CommitmentsAndContingentLiabilitiesAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ResearchAndDevelopmentExpensesAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ResearchAndDevelopmentExpensesAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ResearchAndDevelopmentExpensesAbstract_lbl" xml:lang="en-US">Research and Development Expenses [Abstract]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ResearchAndDevelopmentExpensesAbstract" xlink:to="ppbt_ResearchAndDevelopmentExpensesAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract_lbl" xml:lang="en-US">Sales, General and Administrative Expenses [Abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract" xlink:to="ifrs-full_SellingGeneralAndAdministrativeExpenseAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SellingGeneralAndAdministrativeExpense"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_SellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US">Sales, General and Administrative Expenses total</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:to="ifrs-full_SellingGeneralAndAdministrativeExpense_lbl"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SellingGeneralAndAdministrativeExpense_lbl0" xml:lang="en-US">General and administrative expenses</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:to="ifrs-full_SellingGeneralAndAdministrativeExpense_lbl0"/>   
    <loc xlink:type="locator" xlink:label="ppbt_FinanceExpenseIncomeNetAbstract" xlink:href="ppbt-20251231.xsd#ppbt_FinanceExpenseIncomeNetAbstract"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinanceExpenseIncomeNetAbstract_lbl" xml:lang="en-US">Finance Expense (Income), Net [Abstract]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinanceExpenseIncomeNetAbstract" xlink:to="ppbt_FinanceExpenseIncomeNetAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfFinanceExpensesAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfFinanceExpensesAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfFinanceExpensesAbstract_lbl" xml:lang="en-US">Schedule of Finance Expenses [Abstract]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfFinanceExpensesAbstract" xlink:to="ppbt_ScheduleOfFinanceExpensesAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_OtherExpenseByNature" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherExpenseByNature"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherExpenseByNature_lbl" xml:lang="en-US">Total finance expenses</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherExpenseByNature" xlink:to="ifrs-full_OtherExpenseByNature_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherExpenseByNature_lbl0" xml:lang="en-US">Issuance expenses (in Dollars)</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherExpenseByNature" xlink:to="ifrs-full_OtherExpenseByNature_lbl0"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfFinanceIncomeAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfFinanceIncomeAbstract"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfFinanceIncomeAbstract_lbl" xml:lang="en-US">Schedule of Finance Income [Abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfFinanceIncomeAbstract" xlink:to="ppbt_ScheduleOfFinanceIncomeAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_TaxesOnIncomeabstract" xlink:href="ppbt-20251231.xsd#ppbt_TaxesOnIncomeabstract"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_TaxesOnIncomeabstract_lbl" xml:lang="en-US">Taxes on Income [Abstract]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TaxesOnIncomeabstract" xlink:to="ppbt_TaxesOnIncomeabstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract_lbl" xml:lang="en-US">Employee Benefits [Abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfPostEmployeeBenefitsAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfPostEmployeeBenefitsAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfPostEmployeeBenefitsAbstract_lbl" xml:lang="en-US">Schedule of Post-Employee Benefits [Abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfPostEmployeeBenefitsAbstract" xlink:to="ppbt_ScheduleOfPostEmployeeBenefitsAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfDefinedContributionPlanInRespectOfItsEmployeesAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfDefinedContributionPlanInRespectOfItsEmployeesAbstract"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfDefinedContributionPlanInRespectOfItsEmployeesAbstract_lbl" xml:lang="en-US">Schedule of Defined Contribution Plan in Respect of its Employees [Abstract]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfDefinedContributionPlanInRespectOfItsEmployeesAbstract" xlink:to="ppbt_ScheduleOfDefinedContributionPlanInRespectOfItsEmployeesAbstract_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_TypesOfRisksAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksAxis"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfRisksAxis_lbl" xml:lang="en-US">Types of risks [axis]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfRisksAxis" xlink:to="ifrs-full_TypesOfRisksAxis_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis_lbl" xml:lang="en-US">Continuing involvement in derecognised financial assets by type of instrument [axis]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis" xlink:to="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasAxis"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GeographicalAreasAxis_lbl" xml:lang="en-US">Geographical areas [axis]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasAxis_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis_lbl" xml:lang="en-US">Levels of fair value hierarchy [axis]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_FairValueMeasurementBalance" xlink:href="ppbt-20251231.xsd#ppbt_FairValueMeasurementBalance"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ppbt_FairValueMeasurementBalance_lbl" xml:lang="en-US">Balance</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementBalance" xlink:to="ppbt_FairValueMeasurementBalance_lbl"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ppbt_FairValueMeasurementBalance_lbl0" xml:lang="en-US">Balance</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementBalance" xlink:to="ppbt_FairValueMeasurementBalance_lbl0"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsAxis"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfAssetsAxis_lbl" xml:lang="en-US">Classes of assets [axis]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsAxis_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract_lbl" xml:lang="en-US">Subsequent Events [Abstract]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:to="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_AssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AssetsAbstract_lbl" xml:lang="en-US">Assets</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsAbstract" xlink:to="ifrs-full_AssetsAbstract_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_lbl" xml:lang="en-US">Short term deposits</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:to="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_CurrentInvestments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentInvestments"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentInvestments_lbl" xml:lang="en-US">Other investments</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentInvestments" xlink:to="ifrs-full_CurrentInvestments_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentAssetsAbstract_lbl" xml:lang="en-US">Non-current assets</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssetsAbstract" xlink:to="ifrs-full_NoncurrentAssetsAbstract_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_PropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipment"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US">Fixed assets, net</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipment" xlink:to="ifrs-full_PropertyPlantAndEquipment_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US">Intangible assets</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl0" xml:lang="en-US">Total intangible assets</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl0"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_LiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LiabilitiesAbstract_lbl" xml:lang="en-US">Liabilities</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesAbstract" xlink:to="ifrs-full_LiabilitiesAbstract_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_CurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLeaseLiabilities"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentLeaseLiabilities_lbl" xml:lang="en-US">Current maturity of lease liabilities</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLeaseLiabilities" xlink:to="ifrs-full_CurrentLeaseLiabilities_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_lbl" xml:lang="en-US">Trade payable</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentWarrantLiability" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentWarrantLiability"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentWarrantLiability_lbl" xml:lang="en-US">Warrants</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentWarrantLiability" xlink:to="ifrs-full_NoncurrentWarrantLiability_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilitiesAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract_lbl" xml:lang="en-US">Non-current liabilities</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="ifrs-full_NoncurrentLiabilitiesAbstract_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentProvisionsForEmployeeBenefits"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentProvisionsForEmployeeBenefits_lbl" xml:lang="en-US">Post-employment benefit liabilities</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:to="ifrs-full_NoncurrentProvisionsForEmployeeBenefits_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_IssuedCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapital"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IssuedCapital_lbl" xml:lang="en-US">Share capital, no par value</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssuedCapital" xlink:to="ifrs-full_IssuedCapital_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_SharePremium" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SharePremium"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SharePremium_lbl" xml:lang="en-US">Share premium</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SharePremium" xlink:to="ifrs-full_SharePremium_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_ReceiptsOnAccountsOfWarrant" xlink:href="ppbt-20251231.xsd#ppbt_ReceiptsOnAccountsOfWarrant"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ReceiptsOnAccountsOfWarrant_lbl" xml:lang="en-US">Receipts on account of warrants</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ReceiptsOnAccountsOfWarrant" xlink:to="ppbt_ReceiptsOnAccountsOfWarrant_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_ReserveOfSharebasedPayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfSharebasedPayments"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReserveOfSharebasedPayments_lbl" xml:lang="en-US">Capital reserve for share-based payments</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfSharebasedPayments" xlink:to="ifrs-full_ReserveOfSharebasedPayments_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_CapitalReserve" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalReserve"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CapitalReserve_lbl" xml:lang="en-US">Capital reserve from transactions with related parties</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CapitalReserve" xlink:to="ifrs-full_CapitalReserve_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_CapitalReserveFromTransactionsWithNon-ControllingInterest" xlink:href="ppbt-20251231.xsd#ppbt_CapitalReserveFromTransactionsWithNon-ControllingInterest"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_CapitalReserveFromTransactionsWithNon-ControllingInterest_lbl" xml:lang="en-US">Capital reserve from transactions with non- controlling interest</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CapitalReserveFromTransactionsWithNon-ControllingInterest" xlink:to="ppbt_CapitalReserveFromTransactionsWithNon-ControllingInterest_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_RetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarnings"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RetainedEarnings_lbl" xml:lang="en-US">Accumulated loss</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarnings" xlink:to="ifrs-full_RetainedEarnings_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_NoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncontrollingInterests"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US">Non-controlling interests</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterests" xlink:to="ifrs-full_NoncontrollingInterests_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ResearchAndDevelopmentExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ResearchAndDevelopmentExpense"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US">Research and development expenses</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ResearchAndDevelopmentExpense" xlink:to="ifrs-full_ResearchAndDevelopmentExpense_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_ImpairmentLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLoss"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ImpairmentLoss_lbl" xml:lang="en-US">Impairment loss</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLoss" xlink:to="ifrs-full_ImpairmentLoss_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_FinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceCosts"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinanceCosts_lbl" xml:lang="en-US">Finance expenses</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinanceCosts" xlink:to="ifrs-full_FinanceCosts_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeAbstract"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeAbstract_lbl" xml:lang="en-US">Other comprehensive loss:</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_OtherComprehensiveIncomeAbstract_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_ItemsThatWillBeTransferredToProfitOrLossAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ItemsThatWillBeTransferredToProfitOrLossAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ItemsThatWillBeTransferredToProfitOrLossAbstract_lbl" xml:lang="en-US">Items that will be transferred to profit or loss:</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ItemsThatWillBeTransferredToProfitOrLossAbstract" xlink:to="ppbt_ItemsThatWillBeTransferredToProfitOrLossAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossAttributableToAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToAbstract"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossAttributableToAbstract_lbl" xml:lang="en-US">Loss attributable to:</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToAbstract" xlink:to="ifrs-full_ProfitLossAttributableToAbstract_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_StatementOfComprehensiveIncomeAbstract_lbl" xml:lang="en-US">Total comprehensive loss attributable to:</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="ifrs-full_StatementOfComprehensiveIncomeAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_BasicEarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsPerShareAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BasicEarningsPerShareAbstract_lbl" xml:lang="en-US">Loss per share information</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BasicEarningsPerShareAbstract" xlink:to="ifrs-full_BasicEarningsPerShareAbstract_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_UnlabeledAbstract" xlink:href="ppbt-20251231.xsd#ppbt_UnlabeledAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_UnlabeledAbstract_lbl" xml:lang="en-US"></label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_UnlabeledAbstract" xlink:to="ppbt_UnlabeledAbstract_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_BasicEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShare"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BasicEarningsLossPerShare_lbl" xml:lang="en-US">Basic loss per Share &#8211; USD (in Dollars per share)</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BasicEarningsLossPerShare" xlink:to="ifrs-full_BasicEarningsLossPerShare_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_DilutedEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DilutedEarningsLossPerShare_lbl" xml:lang="en-US">Diluted loss per Share &#8211; USD (in Dollars per share)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DilutedEarningsLossPerShare" xlink:to="ifrs-full_DilutedEarningsLossPerShare_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageShares"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageShares_lbl" xml:lang="en-US">Number of Shares used in calculation (in Shares)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageShares" xlink:to="ifrs-full_WeightedAverageShares_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_LossPerADSInformationwhere1ADSRepresents2000SharesAbstract" xlink:href="ppbt-20251231.xsd#ppbt_LossPerADSInformationwhere1ADSRepresents2000SharesAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_LossPerADSInformationwhere1ADSRepresents2000SharesAbstract_lbl" xml:lang="en-US">Loss per ADS information (where 1 ADS represents 2000 shares)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LossPerADSInformationwhere1ADSRepresents2000SharesAbstract" xlink:to="ppbt_LossPerADSInformationwhere1ADSRepresents2000SharesAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustedWeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustedWeightedAverageShares"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustedWeightedAverageShares_lbl" xml:lang="en-US">Number of ADSs used in calculation (in Shares)</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustedWeightedAverageShares" xlink:to="ifrs-full_AdjustedWeightedAverageShares_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_IssueOfEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssueOfEquity"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IssueOfEquity_lbl" xml:lang="en-US">Issuance of American Depository Shares (ADSs) on the NASDAQ, net of issuance costs</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssueOfEquity" xlink:to="ifrs-full_IssueOfEquity_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl" xml:lang="en-US">Share-based payments</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners_lbl" xml:lang="en-US">Total transactions with owners of the Company</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" xlink:to="ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity_lbl" xml:lang="en-US">Warrant inducement transaction</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:to="ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_OtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncome"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherComprehensiveIncome_lbl" xml:lang="en-US">Other comprehensive profit (loss) for the year</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncome_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseThroughAcquisitionOfSubsidiary" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughAcquisitionOfSubsidiary"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughAcquisitionOfSubsidiary_lbl" xml:lang="en-US">ADS issued in connection with the purchase of a subsidiary (see Note 4C)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughAcquisitionOfSubsidiary" xlink:to="ifrs-full_IncreaseDecreaseThroughAcquisitionOfSubsidiary_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from operating activities:</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl" xml:lang="en-US">Adjustments:</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDepreciationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDepreciationExpense"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDepreciationExpense_lbl" xml:lang="en-US">Depreciation</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDepreciationExpense" xlink:to="ifrs-full_AdjustmentsForDepreciationExpense_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl" xml:lang="en-US">Impairment loss</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:to="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForSharebasedPayments"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments_lbl" xml:lang="en-US">Share-based payments</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="ifrs-full_AdjustmentsForSharebasedPayments_lbl"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments_lbl0" xml:lang="en-US">Total share-based expense recognized</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="ifrs-full_AdjustmentsForSharebasedPayments_lbl0"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForReconcileProfitLoss"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLoss_lbl" xml:lang="en-US">Total adjustments</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:to="ifrs-full_AdjustmentsForReconcileProfitLoss_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfCashPaymentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfCashPaymentsAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfCashPaymentsAbstract_lbl" xml:lang="en-US">Changes in assets and liabilities:</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfCashPaymentsAbstract" xlink:to="ifrs-full_ClassesOfCashPaymentsAbstract_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets_lbl" xml:lang="en-US">Changes in other current assets</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_lbl" xml:lang="en-US">Changes in trade payables</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables_lbl" xml:lang="en-US">Changes in other payables</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_lbl" xml:lang="en-US">Changes in post-employment benefit liabilities</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_AdjustmentsForChangesInAssetsAndLiabilities" xlink:href="ppbt-20251231.xsd#ppbt_AdjustmentsForChangesInAssetsAndLiabilities"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ppbt_AdjustmentsForChangesInAssetsAndLiabilities_lbl" xml:lang="en-US">Changes in assets and liabilities, total</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AdjustmentsForChangesInAssetsAndLiabilities" xlink:to="ppbt_AdjustmentsForChangesInAssetsAndLiabilities_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from investing activities:</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities_lbl" xml:lang="en-US">Proceed from other investments</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:to="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_lbl" xml:lang="en-US">Decrease (increase) in short term deposits</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:to="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestReceivedClassifiedAsInvestingActivities"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestReceivedClassifiedAsInvestingActivities_lbl" xml:lang="en-US">Interest received</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xlink:to="ifrs-full_InterestReceivedClassifiedAsInvestingActivities_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from financing activities:</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromIssuingShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromIssuingShares"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromIssuingShares_lbl" xml:lang="en-US">Proceeds from issuance of ADSs</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromIssuingShares" xlink:to="ifrs-full_ProceedsFromIssuingShares_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromIssuingOtherEquityInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromIssuingOtherEquityInstruments"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromIssuingOtherEquityInstruments_lbl" xml:lang="en-US">Proceeds from issuance of warrants and prefunded warrants</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromIssuingOtherEquityInstruments" xlink:to="ifrs-full_ProceedsFromIssuingOtherEquityInstruments_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromExerciseOfWarrants" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromExerciseOfWarrants"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromExerciseOfWarrants_lbl" xml:lang="en-US">Proceeds from warrant inducement transaction</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromExerciseOfWarrants" xlink:to="ifrs-full_ProceedsFromExerciseOfWarrants_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProceedsFromExerciseOfWarrants_lbl0" xml:lang="en-US">Warrant exercised</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromExerciseOfWarrants" xlink:to="ifrs-full_ProceedsFromExerciseOfWarrants_lbl0"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_lbl" xml:lang="en-US">Effect of translation adjustments on cash and cash equivalents</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_lbl" xml:lang="en-US">Change in fair value of warrants</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:to="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_FinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceIncome"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_FinanceIncome_lbl" xml:lang="en-US">Finance income</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinanceIncome" xlink:to="ifrs-full_FinanceIncome_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_FinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceIncomeCost"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_FinanceIncomeCost_lbl" xml:lang="en-US">Finance income, net</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinanceIncomeCost" xlink:to="ifrs-full_FinanceIncomeCost_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges_lbl" xml:lang="en-US">Loss (profit) from cash flow hedges</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xlink:to="ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl" xml:lang="en-US">Owners of the Company</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Non-controlling interests</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl" xml:lang="en-US">Owners of the Company</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Non-controlling interests</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossFromContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromContinuingOperations"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ProfitLossFromContinuingOperations_lbl" xml:lang="en-US">Loss for the year</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromContinuingOperations" xlink:to="ifrs-full_ProfitLossFromContinuingOperations_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForFinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForFinanceIncome"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_AdjustmentsForFinanceIncome_lbl" xml:lang="en-US">Finance income, net</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForFinanceIncome" xlink:to="ifrs-full_AdjustmentsForFinanceIncome_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_AcquisitionOfSubsidiaryNetOfCashAcquired" xlink:href="ppbt-20251231.xsd#ppbt_AcquisitionOfSubsidiaryNetOfCashAcquired"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ppbt_AcquisitionOfSubsidiaryNetOfCashAcquired_lbl" xml:lang="en-US">Acquisition of subsidiary, net of cash acquired (see Note 4C)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AcquisitionOfSubsidiaryNetOfCashAcquired" xlink:to="ppbt_AcquisitionOfSubsidiaryNetOfCashAcquired_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xml:lang="en-US">Acquisition of fixed assets</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_PaymentsForShareIssueCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsForShareIssueCosts"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PaymentsForShareIssueCosts_lbl" xml:lang="en-US">ADS issuance expenses paid</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsForShareIssueCosts" xlink:to="ifrs-full_PaymentsForShareIssueCosts_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_WarrantsIssuanceExpensesPaid" xlink:href="ppbt-20251231.xsd#ppbt_WarrantsIssuanceExpensesPaid"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ppbt_WarrantsIssuanceExpensesPaid_lbl" xml:lang="en-US">Warrants issuance expenses paid</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsIssuanceExpensesPaid" xlink:to="ppbt_WarrantsIssuanceExpensesPaid_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl" xml:lang="en-US">Repayment of lease liability</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_InterestPaidClassifiedAsFinancingActivities_lbl" xml:lang="en-US">Interest paid</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:to="ifrs-full_InterestPaidClassifiedAsFinancingActivities_lbl"/>  
    <loc xlink:type="locator" xlink:label="dei_BusinessContactMember" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_BusinessContactMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_BusinessContactMember_lbl" xml:lang="en-US">Business Contact</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_BusinessContactMember" xlink:to="dei_BusinessContactMember_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_ADSMember" xlink:href="ppbt-20251231.xsd#ppbt_ADSMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ADSMember_lbl" xml:lang="en-US">ADS &#8211; USD</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ADSMember" xlink:to="ppbt_ADSMember_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ppbt_ADSMember_lbl0" xml:lang="en-US">ADS [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ADSMember" xlink:to="ppbt_ADSMember_lbl0"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_IssuedCapitalMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapitalMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IssuedCapitalMember_lbl" xml:lang="en-US">Share Capital</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssuedCapitalMember" xlink:to="ifrs-full_IssuedCapitalMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_SharePremiumMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SharePremiumMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SharePremiumMember_lbl" xml:lang="en-US">Share premium</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SharePremiumMember" xlink:to="ifrs-full_SharePremiumMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ReceiptsOnAccountOfWarrantsMember" xlink:href="ppbt-20251231.xsd#ppbt_ReceiptsOnAccountOfWarrantsMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ReceiptsOnAccountOfWarrantsMember_lbl" xml:lang="en-US">Receipts on account of warrants</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ReceiptsOnAccountOfWarrantsMember" xlink:to="ppbt_ReceiptsOnAccountOfWarrantsMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfSharebasedPaymentsMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReserveOfSharebasedPaymentsMember_lbl" xml:lang="en-US">Capital reserve for share- based payments</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:to="ifrs-full_ReserveOfSharebasedPaymentsMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_CapitalReserveFromTransactionsWithRelatedPartiesMember" xlink:href="ppbt-20251231.xsd#ppbt_CapitalReserveFromTransactionsWithRelatedPartiesMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_CapitalReserveFromTransactionsWithRelatedPartiesMember_lbl" xml:lang="en-US">Capital reserve from transactions with related parties</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CapitalReserveFromTransactionsWithRelatedPartiesMember" xlink:to="ppbt_CapitalReserveFromTransactionsWithRelatedPartiesMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_CapitalReserveFromTransactionsWithNonControllingInterestMember" xlink:href="ppbt-20251231.xsd#ppbt_CapitalReserveFromTransactionsWithNonControllingInterestMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_CapitalReserveFromTransactionsWithNonControllingInterestMember_lbl" xml:lang="en-US">Capital reserve from transactions with Non- controlling interest</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CapitalReserveFromTransactionsWithNonControllingInterestMember" xlink:to="ppbt_CapitalReserveFromTransactionsWithNonControllingInterestMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_RetainedEarningsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarningsMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RetainedEarningsMember_lbl" xml:lang="en-US">Accumulated loss</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarningsMember" xlink:to="ifrs-full_RetainedEarningsMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityAttributableToOwnersOfParentMember_lbl" xml:lang="en-US">Total</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_EquityAttributableToOwnersOfParentMember_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_NoncontrollingInterestsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncontrollingInterestsMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncontrollingInterestsMember_lbl" xml:lang="en-US">Non- controlling interests</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterestsMember" xlink:to="ifrs-full_NoncontrollingInterestsMember_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NoncontrollingInterestsMember_lbl0" xml:lang="en-US">Total</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterestsMember" xlink:to="ifrs-full_NoncontrollingInterestsMember_lbl0"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_ReserveOfCashFlowHedgesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfCashFlowHedgesMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReserveOfCashFlowHedgesMember_lbl" xml:lang="en-US">Capital reserve from hedging</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfCashFlowHedgesMember" xlink:to="ifrs-full_ReserveOfCashFlowHedgesMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_lbl" xml:lang="en-US">General</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:to="ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_lbl" xml:lang="en-US">Basis of Preparation of the Consolidated Financial Statements</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:to="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_lbl" xml:lang="en-US">Schedule of Data on Exchange Rates</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:to="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_lbl0" xml:lang="en-US">Schedule of Sensitivity Test to Possible Changes in Exchange Rate</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:to="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_lbl0"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_AverageForeignExchangeRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AverageForeignExchangeRate"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AverageForeignExchangeRate_lbl" xml:lang="en-US">Representative exchange rate</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AverageForeignExchangeRate" xlink:to="ifrs-full_AverageForeignExchangeRate_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ChangesInExchangeRatesForTheYearEndedAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ChangesInExchangeRatesForTheYearEndedAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ChangesInExchangeRatesForTheYearEndedAbstract_lbl" xml:lang="en-US">Changes in exchange rates for the year ended:</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ChangesInExchangeRatesForTheYearEndedAbstract" xlink:to="ppbt_ChangesInExchangeRatesForTheYearEndedAbstract_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_PercentageOfExchangeRate" xlink:href="ppbt-20251231.xsd#ppbt_PercentageOfExchangeRate"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PercentageOfExchangeRate_lbl" xml:lang="en-US">Representative exchange rate, percentage</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfExchangeRate" xlink:to="ppbt_PercentageOfExchangeRate_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_lbl" xml:lang="en-US">Material Accounting Policies</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:to="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_lbl" xml:lang="en-US">Intangible Assets</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_lbl" xml:lang="en-US">Schedule of Intangible Assets</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_lbl" xml:lang="en-US">Cash and Cash Equivalents</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:to="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_DisclosureOfDetailedInformationAboutCashAndCashEquivalentExplanatoryTableTextBlock" xlink:href="ppbt-20251231.xsd#ppbt_DisclosureOfDetailedInformationAboutCashAndCashEquivalentExplanatoryTableTextBlock"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DisclosureOfDetailedInformationAboutCashAndCashEquivalentExplanatoryTableTextBlock_lbl" xml:lang="en-US">Schedule of Cash and Cash Equivalents</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutCashAndCashEquivalentExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutCashAndCashEquivalentExplanatoryTableTextBlock_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfLeasesExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfLeasesExplanatory_lbl" xml:lang="en-US">Leases</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfLeasesExplanatory" xlink:to="ifrs-full_DisclosureOfLeasesExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_lbl" xml:lang="en-US">Schedule of Carrying Amounts of Right-to-Use Assets</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_LeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilities"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LeaseLiabilities_lbl" xml:lang="en-US">Extension of a new lease agreement</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseLiabilities" xlink:to="ifrs-full_LeaseLiabilities_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_LeaseLiabilities_lbl0" xml:lang="en-US">Total</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseLiabilities" xlink:to="ifrs-full_LeaseLiabilities_lbl0"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory_lbl" xml:lang="en-US">Schedule of Maturity Analysis of the Company&apos;s Lease Liabilities</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory" xlink:to="ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLessorExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLessorExplanatory"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLessorExplanatory_lbl" xml:lang="en-US">Schedule of Amounts Recognized in Profit or Loss</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLessorExplanatory" xlink:to="ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLessorExplanatory_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseOnLeaseLiabilities"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestExpenseOnLeaseLiabilities_lbl" xml:lang="en-US">Interest expenses on lease liability</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:to="ifrs-full_InterestExpenseOnLeaseLiabilities_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_lbl" xml:lang="en-US">Other Current Assets</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_DisclosureOfOtherCurrentAssettextBlock" xlink:href="ppbt-20251231.xsd#ppbt_DisclosureOfOtherCurrentAssettextBlock"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DisclosureOfOtherCurrentAssettextBlock_lbl" xml:lang="en-US">Schedule of Other Current Assets</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfOtherCurrentAssettextBlock" xlink:to="ppbt_DisclosureOfOtherCurrentAssettextBlock_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_GovernmentAuthorities" xlink:href="ppbt-20251231.xsd#ppbt_GovernmentAuthorities"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_GovernmentAuthorities_lbl" xml:lang="en-US">Government authorities</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_GovernmentAuthorities" xlink:to="ppbt_GovernmentAuthorities_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_CurrentPrepaidExpenses" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentPrepaidExpenses"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentPrepaidExpenses_lbl" xml:lang="en-US">Prepaid expenses and other receivables</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentPrepaidExpenses" xlink:to="ifrs-full_CurrentPrepaidExpenses_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_lbl" xml:lang="en-US">Other Payables</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:to="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatoryTableTextBlock" xlink:href="ppbt-20251231.xsd#ppbt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatoryTableTextBlock"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatoryTableTextBlock_lbl" xml:lang="en-US">Schedule of Other Payables</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatoryTableTextBlock_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties_lbl" xml:lang="en-US">Due to related parties - salary related</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_AccrualsClassifiedAsCurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccrualsClassifiedAsCurrent"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AccrualsClassifiedAsCurrent_lbl" xml:lang="en-US">Accrued expenses and other</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AccrualsClassifiedAsCurrent" xlink:to="ifrs-full_AccrualsClassifiedAsCurrent_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_CurrentGovernmentGrants" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentGovernmentGrants"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentGovernmentGrants_lbl" xml:lang="en-US">Government authorities</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentGovernmentGrants" xlink:to="ifrs-full_CurrentGovernmentGrants_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_SalaryRelatedOtherPayablesCurrent" xlink:href="ppbt-20251231.xsd#ppbt_SalaryRelatedOtherPayablesCurrent"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_SalaryRelatedOtherPayablesCurrent_lbl" xml:lang="en-US">Salary related</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SalaryRelatedOtherPayablesCurrent" xlink:to="ppbt_SalaryRelatedOtherPayablesCurrent_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_lbl" xml:lang="en-US">Equity</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:to="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_lbl" xml:lang="en-US">Schedule of Share Capital</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfSharesAuthorised" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesAuthorised"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfSharesAuthorised_lbl" xml:lang="en-US">Number of shares, Authorized</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesAuthorised" xlink:to="ifrs-full_NumberOfSharesAuthorised_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesIssuedAndFullyPaid"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfSharesIssuedAndFullyPaid_lbl" xml:lang="en-US">Number of shares, Issued and paid-in</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:to="ifrs-full_NumberOfSharesIssuedAndFullyPaid_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_DisclosureOfDetailedInformationAboutChangesInShareCapitalExplanatoryTableTextBlock" xlink:href="ppbt-20251231.xsd#ppbt_DisclosureOfDetailedInformationAboutChangesInShareCapitalExplanatoryTableTextBlock"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DisclosureOfDetailedInformationAboutChangesInShareCapitalExplanatoryTableTextBlock_lbl" xml:lang="en-US">Schedule of Changes in Share Capital</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutChangesInShareCapitalExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutChangesInShareCapitalExplanatoryTableTextBlock_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_NumberOfIssuanceShares" xlink:href="ppbt-20251231.xsd#ppbt_NumberOfIssuanceShares"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_NumberOfIssuanceShares_lbl" xml:lang="en-US">Issuance of ADSs</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfIssuanceShares" xlink:to="ppbt_NumberOfIssuanceShares_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_NumberOfVestingOfRsus" xlink:href="ppbt-20251231.xsd#ppbt_NumberOfVestingOfRsus"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_NumberOfVestingOfRsus_lbl" xml:lang="en-US">Vesting of RSUs</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfVestingOfRsus" xlink:to="ppbt_NumberOfVestingOfRsus_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_NumberOfExerciseOfWarrants" xlink:href="ppbt-20251231.xsd#ppbt_NumberOfExerciseOfWarrants"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_NumberOfExerciseOfWarrants_lbl" xml:lang="en-US">Exercise of warrants and prefunded warrants</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfExerciseOfWarrants" xlink:to="ppbt_NumberOfExerciseOfWarrants_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock" xlink:href="ppbt-20251231.xsd#ppbt_DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock_lbl" xml:lang="en-US">Schedule of the Information Relating to Non-Controlling Interests</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_OtherNoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherNoncurrentAssets"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherNoncurrentAssets_lbl" xml:lang="en-US">Non-current assets</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentAssets" xlink:to="ifrs-full_OtherNoncurrentAssets_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_CurrentAsset" xlink:href="ppbt-20251231.xsd#ppbt_CurrentAsset"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_CurrentAsset_lbl" xml:lang="en-US">Current assets</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CurrentAsset" xlink:to="ppbt_CurrentAsset_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_CurrentLiabilitie" xlink:href="ppbt-20251231.xsd#ppbt_CurrentLiabilitie"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_CurrentLiabilitie_lbl" xml:lang="en-US">Current liabilities</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CurrentLiabilitie" xlink:to="ppbt_CurrentLiabilitie_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_NetAssetsLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetAssetsLiabilities"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NetAssetsLiabilities_lbl" xml:lang="en-US">Net assets</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetAssetsLiabilities" xlink:to="ifrs-full_NetAssetsLiabilities_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_NetAssetsAttributableToNonControllingInterest" xlink:href="ppbt-20251231.xsd#ppbt_NetAssetsAttributableToNonControllingInterest"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_NetAssetsAttributableToNonControllingInterest_lbl" xml:lang="en-US">Net assets attributable to non-controlling interests</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NetAssetsAttributableToNonControllingInterest" xlink:to="ppbt_NetAssetsAttributableToNonControllingInterest_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Loss for the year</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_NetAssetsAttributableToNoncontrollingInterests" xlink:href="ppbt-20251231.xsd#ppbt_NetAssetsAttributableToNoncontrollingInterests"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_NetAssetsAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Loss allocated to non-controlling interests</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NetAssetsAttributableToNoncontrollingInterests" xlink:to="ppbt_NetAssetsAttributableToNoncontrollingInterests_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_lbl" xml:lang="en-US">Share-based Payment Arrangements</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:to="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_lbl" xml:lang="en-US">Schedule of Number and Weighted Average Exercise Prices of Share Options</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:to="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US">Weighted average exercise price, Expired and forfeited during the year</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US">Weighted average exercise price, Granted during the year</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl" xml:lang="en-US">Number of options, Granted during the year</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl0" xml:lang="en-US">Granted shares</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl0"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US">Weighted average exercise price, Exercisable</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US">Number of options, Exercisable</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_DisclosureOfDetailedInformationAboutRestrictedStockUnitTableTextBlock" xlink:href="ppbt-20251231.xsd#ppbt_DisclosureOfDetailedInformationAboutRestrictedStockUnitTableTextBlock"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DisclosureOfDetailedInformationAboutRestrictedStockUnitTableTextBlock_lbl" xml:lang="en-US">Schedule of Number of RSUs</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutRestrictedStockUnitTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutRestrictedStockUnitTableTextBlock_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl" xml:lang="en-US">Granted during the year</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:to="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_lbl" xml:lang="en-US">Schedule of Assumptions were Used</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:to="ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_lbl" xml:lang="en-US">Share Price - USD (in Dollars per share)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:to="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExercisePriceShareOptionsGranted2019"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted2019_lbl" xml:lang="en-US">Exercise price - USD (in Dollars per share)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:to="ifrs-full_ExercisePriceShareOptionsGranted2019_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted2019_lbl0" xml:lang="en-US">Exercise price (in Dollars per share)</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:to="ifrs-full_ExercisePriceShareOptionsGranted2019_lbl0"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl" xml:lang="en-US">Expected volatility (%)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl0" xml:lang="en-US">Expected volatility</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl0"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfOptionLifeShareOptionsGranted"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_lbl" xml:lang="en-US">Expected duration (years)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_lbl" xml:lang="en-US">Dividend yield (%)</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:to="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_lbl" xml:lang="en-US">Risk free rate interest rate (%)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_lbl"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_lbl0" xml:lang="en-US">annual risk free interest</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_lbl0"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfExpensesByNatureExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfExpensesByNatureExplanatory_lbl" xml:lang="en-US">Schedule of Expenses Recognized in the Consolidated Financial Statements</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:to="ifrs-full_DisclosureOfExpensesByNatureExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_lbl" xml:lang="en-US">Transactions and Balances with Related Parties</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_lbl" xml:lang="en-US">Schedule of Recorded Expenses</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:to="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_lbl" xml:lang="en-US">Short - term</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:to="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_lbl" xml:lang="en-US">Post-employment benefits</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:to="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl" xml:lang="en-US">Share based payments</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_lbl" xml:lang="en-US">Commitments and contingent liabilities</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:to="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory_lbl" xml:lang="en-US">Research and Development Expenses</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory" xlink:to="ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_DisclosureOfResearchAndDevelopmentExpensesTableTextBlock" xlink:href="ppbt-20251231.xsd#ppbt_DisclosureOfResearchAndDevelopmentExpensesTableTextBlock"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DisclosureOfResearchAndDevelopmentExpensesTableTextBlock_lbl" xml:lang="en-US">Schedule of Research and Development Expenses</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfResearchAndDevelopmentExpensesTableTextBlock" xlink:to="ppbt_DisclosureOfResearchAndDevelopmentExpensesTableTextBlock_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_lbl" xml:lang="en-US">Sales, General and Administrative Expenses</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:to="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_DisclosuresOfDetailedInformationAboutGeneralAndAdministrativeExpensesExplanatoryTableTextBlock" xlink:href="ppbt-20251231.xsd#ppbt_DisclosuresOfDetailedInformationAboutGeneralAndAdministrativeExpensesExplanatoryTableTextBlock"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DisclosuresOfDetailedInformationAboutGeneralAndAdministrativeExpensesExplanatoryTableTextBlock_lbl" xml:lang="en-US">Schedule of Sales, General and Administrative Expenses</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosuresOfDetailedInformationAboutGeneralAndAdministrativeExpensesExplanatoryTableTextBlock" xlink:to="ppbt_DisclosuresOfDetailedInformationAboutGeneralAndAdministrativeExpensesExplanatoryTableTextBlock_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_WagesAndSalaries" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WagesAndSalaries"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WagesAndSalaries_lbl" xml:lang="en-US">Salaries, wages and related expenses</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WagesAndSalaries" xlink:to="ifrs-full_WagesAndSalaries_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl" xml:lang="en-US">Share-based payments</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ProfessionalFeesExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfessionalFeesExpense"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfessionalFeesExpense_lbl" xml:lang="en-US">Other professional fees</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfessionalFeesExpense" xlink:to="ifrs-full_ProfessionalFeesExpense_lbl"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfessionalFeesExpense_lbl0" xml:lang="en-US">Placement agent fees and other offering related expenses (in Dollars)</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfessionalFeesExpense" xlink:to="ifrs-full_ProfessionalFeesExpense_lbl0"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_DirectorsRemunerationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DirectorsRemunerationExpense"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DirectorsRemunerationExpense_lbl" xml:lang="en-US">Board member remuneration and insurance</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DirectorsRemunerationExpense" xlink:to="ifrs-full_DirectorsRemunerationExpense_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithPartiesOtherThanEmployees" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithPartiesOtherThanEmployees"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithPartiesOtherThanEmployees_lbl" xml:lang="en-US">Board member share-based payments</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithPartiesOtherThanEmployees" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithPartiesOtherThanEmployees_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_RentalExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RentalExpense"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RentalExpense_lbl" xml:lang="en-US">Maintenance expenses</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RentalExpense" xlink:to="ifrs-full_RentalExpense_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_TravelExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TravelExpense"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TravelExpense_lbl" xml:lang="en-US">Travel and car expenses</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TravelExpense" xlink:to="ifrs-full_TravelExpense_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DepreciationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationExpense"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DepreciationExpense_lbl" xml:lang="en-US">Depreciation</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationExpense" xlink:to="ifrs-full_DepreciationExpense_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_GeneralAndAdministrativeExpensesOther" xlink:href="ppbt-20251231.xsd#ppbt_GeneralAndAdministrativeExpensesOther"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_GeneralAndAdministrativeExpensesOther_lbl" xml:lang="en-US">Other</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_GeneralAndAdministrativeExpensesOther" xlink:to="ppbt_GeneralAndAdministrativeExpensesOther_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_lbl" xml:lang="en-US">Finance Expense (Income), net</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:to="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinanceCostExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinanceCostExplanatory_lbl" xml:lang="en-US">Schedule of Finance Expenses</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:to="ifrs-full_DisclosureOfFinanceCostExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_FinanceExpensesAbstract" xlink:href="ppbt-20251231.xsd#ppbt_FinanceExpensesAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FinanceExpensesAbstract_lbl" xml:lang="en-US">Finance expenses</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinanceExpensesAbstract" xlink:to="ppbt_FinanceExpensesAbstract_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_FeeAndCommissionExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionExpense"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FeeAndCommissionExpense_lbl" xml:lang="en-US">Fees and interest expense</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FeeAndCommissionExpense" xlink:to="ifrs-full_FeeAndCommissionExpense_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ForeignExchangeLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ForeignExchangeLoss"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ForeignExchangeLoss_lbl" xml:lang="en-US">Loss from exchange rate differences, net</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ForeignExchangeLoss" xlink:to="ifrs-full_ForeignExchangeLoss_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_IssuanceExpenses" xlink:href="ppbt-20251231.xsd#ppbt_IssuanceExpenses"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_IssuanceExpenses_lbl" xml:lang="en-US">Issuance expenses (see note 9D)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IssuanceExpenses" xlink:to="ppbt_IssuanceExpenses_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_OtherfinancialCost" xlink:href="ppbt-20251231.xsd#ppbt_OtherfinancialCost"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_OtherfinancialCost_lbl" xml:lang="en-US">Other</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OtherfinancialCost" xlink:to="ppbt_OtherfinancialCost_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinanceIncomeExplanatory"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExplanatory_lbl" xml:lang="en-US">Schedule of Finance Income</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinanceIncomeExplanatory" xlink:to="ifrs-full_DisclosureOfFinanceIncomeExplanatory_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_FinanceIncomeAbstract" xlink:href="ppbt-20251231.xsd#ppbt_FinanceIncomeAbstract"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FinanceIncomeAbstract_lbl" xml:lang="en-US">Finance income</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinanceIncomeAbstract" xlink:to="ppbt_FinanceIncomeAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_OtherExpense" xlink:href="ppbt-20251231.xsd#ppbt_OtherExpense"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_OtherExpense_lbl" xml:lang="en-US">Other</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OtherExpense" xlink:to="ppbt_OtherExpense_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIncomeTaxExplanatory"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfIncomeTaxExplanatory_lbl" xml:lang="en-US">Taxes on Income</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:to="ifrs-full_DisclosureOfIncomeTaxExplanatory_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEmployeeBenefitsExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_lbl" xml:lang="en-US">Employee benefits</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:to="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_DisclosureOfDetailedInformationAboutEmployeeBenefitsExplanatoryTableTextBlock" xlink:href="ppbt-20251231.xsd#ppbt_DisclosureOfDetailedInformationAboutEmployeeBenefitsExplanatoryTableTextBlock"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DisclosureOfDetailedInformationAboutEmployeeBenefitsExplanatoryTableTextBlock_lbl" xml:lang="en-US">Schedule of Post-Employee Benefits</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutEmployeeBenefitsExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutEmployeeBenefitsExplanatoryTableTextBlock_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_ShorttermEmployeeBenefitsExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermEmployeeBenefitsExpense"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ShorttermEmployeeBenefitsExpense_lbl" xml:lang="en-US">Short-term benefits</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShorttermEmployeeBenefitsExpense" xlink:to="ifrs-full_ShorttermEmployeeBenefitsExpense_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl" xml:lang="en-US">Post-employment benefit liabilities</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:to="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_DisclosureOfDetailedInformationAboutDefinedContributionPlanExplanatoryTableTextBlock" xlink:href="ppbt-20251231.xsd#ppbt_DisclosureOfDetailedInformationAboutDefinedContributionPlanExplanatoryTableTextBlock"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DisclosureOfDetailedInformationAboutDefinedContributionPlanExplanatoryTableTextBlock_lbl" xml:lang="en-US">Schedule of Defined Contribution Plan in Respect of its Employees</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutDefinedContributionPlanExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutDefinedContributionPlanExplanatoryTableTextBlock_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_lbl" xml:lang="en-US">Amount recognized as expense in respect of defined contribution plan</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:to="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsExplanatory"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_lbl" xml:lang="en-US">Financial Instruments</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_IncomelossFromChangeInExchangeRateDown" xlink:href="ppbt-20251231.xsd#ppbt_IncomelossFromChangeInExchangeRateDown"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_IncomelossFromChangeInExchangeRateDown_lbl" xml:lang="en-US">Income (loss) from change in exchange rate</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IncomelossFromChangeInExchangeRateDown" xlink:to="ppbt_IncomelossFromChangeInExchangeRateDown_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_IncomelossValue" xlink:href="ppbt-20251231.xsd#ppbt_IncomelossValue"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_IncomelossValue_lbl" xml:lang="en-US">Income (loss) value</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IncomelossValue" xlink:to="ppbt_IncomelossValue_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_IncomelossFromChangeInExchangeRateUp" xlink:href="ppbt-20251231.xsd#ppbt_IncomelossFromChangeInExchangeRateUp"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_IncomelossFromChangeInExchangeRateUp_lbl" xml:lang="en-US">Income (loss) from change in exchange rate</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IncomelossFromChangeInExchangeRateUp" xlink:to="ppbt_IncomelossFromChangeInExchangeRateUp_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_lbl" xml:lang="en-US">Schedule of Financial Instruments Measured at Fair Value</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_FinancialAssetAndLiabilitiesAbstract" xlink:href="ppbt-20251231.xsd#ppbt_FinancialAssetAndLiabilitiesAbstract"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FinancialAssetAndLiabilitiesAbstract_lbl" xml:lang="en-US">Financial asset and liabilities</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialAssetAndLiabilitiesAbstract" xlink:to="ppbt_FinancialAssetAndLiabilitiesAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_DerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialLiabilities"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DerivativeFinancialLiabilities_lbl" xml:lang="en-US">Financial liability of warrants</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DerivativeFinancialLiabilities" xlink:to="ifrs-full_DerivativeFinancialLiabilities_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_FinancialAssetAndLiabilitiesAbstract0" xlink:href="ppbt-20251231.xsd#ppbt_FinancialAssetAndLiabilitiesAbstract0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FinancialAssetAndLiabilitiesAbstract0_lbl" xml:lang="en-US">Financial asset and liabilities</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialAssetAndLiabilitiesAbstract0" xlink:to="ppbt_FinancialAssetAndLiabilitiesAbstract0_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DerivativeFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialAssets"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DerivativeFinancialAssets_lbl" xml:lang="en-US">Convertible debt instrument and warrant</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DerivativeFinancialAssets" xlink:to="ifrs-full_DerivativeFinancialAssets_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementTableTextBlock" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfDetailsRegardingFairValueMeasurementTableTextBlock"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementTableTextBlock_lbl" xml:lang="en-US">Schedule of Details Regarding Fair Value Measurement</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementTableTextBlock" xlink:to="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementTableTextBlock_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_FairValueMeasurementExercise" xlink:href="ppbt-20251231.xsd#ppbt_FairValueMeasurementExercise"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FairValueMeasurementExercise_lbl" xml:lang="en-US">Exercise</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementExercise" xlink:to="ppbt_FairValueMeasurementExercise_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_FairValueMeasurementIssuance" xlink:href="ppbt-20251231.xsd#ppbt_FairValueMeasurementIssuance"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FairValueMeasurementIssuance_lbl" xml:lang="en-US">Issuance</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementIssuance" xlink:to="ppbt_FairValueMeasurementIssuance_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_FairValueMeasurementRevaluation" xlink:href="ppbt-20251231.xsd#ppbt_FairValueMeasurementRevaluation"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FairValueMeasurementRevaluation_lbl" xml:lang="en-US">Revaluation</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementRevaluation" xlink:to="ppbt_FairValueMeasurementRevaluation_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_FairValueMeasurementIssuanceProceed" xlink:href="ppbt-20251231.xsd#ppbt_FairValueMeasurementIssuanceProceed"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FairValueMeasurementIssuanceProceed_lbl" xml:lang="en-US">Proceed</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementIssuanceProceed" xlink:to="ppbt_FairValueMeasurementIssuanceProceed_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_lbl" xml:lang="en-US">Schedule of Fair Value Measurement</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_DescriptionOfOptionLifeShareOptionGranted" xlink:href="ppbt-20251231.xsd#ppbt_DescriptionOfOptionLifeShareOptionGranted"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DescriptionOfOptionLifeShareOptionGranted_lbl" xml:lang="en-US">Expected term</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DescriptionOfOptionLifeShareOptionGranted" xlink:to="ppbt_DescriptionOfOptionLifeShareOptionGranted_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ExpectedDividendAsPercentageShareOptionsdividendYield" xlink:href="ppbt-20251231.xsd#ppbt_ExpectedDividendAsPercentageShareOptionsdividendYield"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ExpectedDividendAsPercentageShareOptionsdividendYield_lbl" xml:lang="en-US">dividend yield</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ExpectedDividendAsPercentageShareOptionsdividendYield" xlink:to="ppbt_ExpectedDividendAsPercentageShareOptionsdividendYield_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ForTheYearEndedDecember312024Abstract" xlink:href="ppbt-20251231.xsd#ppbt_ForTheYearEndedDecember312024Abstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ForTheYearEndedDecember312024Abstract_lbl" xml:lang="en-US">For the year ended December 31, 2024</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ForTheYearEndedDecember312024Abstract" xlink:to="ppbt_ForTheYearEndedDecember312024Abstract_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_lbl" xml:lang="en-US">Subsequent Events</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:to="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DepreciationRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationRightofuseAssets"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DepreciationRightofuseAssets_lbl" xml:lang="en-US">Depreciation on right-to-use assets</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationRightofuseAssets" xlink:to="ifrs-full_DepreciationRightofuseAssets_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US">Number of options, Expired and forfeited during the year</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US">Forfeited during the year</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl" xml:lang="en-US">Vested during the year</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_ReimbursementOfLegalFeesExpense" xlink:href="ppbt-20251231.xsd#ppbt_ReimbursementOfLegalFeesExpense"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ppbt_ReimbursementOfLegalFeesExpense_lbl" xml:lang="en-US">Reimbursement of legal fees</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ReimbursementOfLegalFeesExpense" xlink:to="ppbt_ReimbursementOfLegalFeesExpense_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_InterestIncomeOnDeposits" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestIncomeOnDeposits"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_InterestIncomeOnDeposits_lbl" xml:lang="en-US">Interest income from deposits</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestIncomeOnDeposits" xlink:to="ifrs-full_InterestIncomeOnDeposits_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_ForeignExchangeGain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ForeignExchangeGain"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ForeignExchangeGain_lbl" xml:lang="en-US">Income from exchange rate differences, net</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ForeignExchangeGain" xlink:to="ifrs-full_ForeignExchangeGain_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsOnChangeInFairValueOfDerivatives"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_GainsOnChangeInFairValueOfDerivatives_lbl" xml:lang="en-US">Changes in fair value of finance instruments (see Note 18B2)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:to="ifrs-full_GainsOnChangeInFairValueOfDerivatives_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_OtherFinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFinanceIncome"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_OtherFinanceIncome_lbl" xml:lang="en-US">Total finance income</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinanceIncome" xlink:to="ifrs-full_OtherFinanceIncome_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_IPRDRelatedToTryNovosee5ABelowMember" xlink:href="ppbt-20251231.xsd#ppbt_IPRDRelatedToTryNovosee5ABelowMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_IPRDRelatedToTryNovosee5ABelowMember_lbl" xml:lang="en-US">IPR&amp;D related to TyrNovo (see 4A below) [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IPRDRelatedToTryNovosee5ABelowMember" xlink:to="ppbt_IPRDRelatedToTryNovosee5ABelowMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_IPRDRelatedToFamewaveSee5BBelowMember" xlink:href="ppbt-20251231.xsd#ppbt_IPRDRelatedToFamewaveSee5BBelowMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_IPRDRelatedToFamewaveSee5BBelowMember_lbl" xml:lang="en-US">IPR&amp;D related to Famewave (see 4B below) [Member]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IPRDRelatedToFamewaveSee5BBelowMember" xlink:to="ppbt_IPRDRelatedToFamewaveSee5BBelowMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_IPRDRelatedToImmunorizonSee5CBelowMember" xlink:href="ppbt-20251231.xsd#ppbt_IPRDRelatedToImmunorizonSee5CBelowMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_IPRDRelatedToImmunorizonSee5CBelowMember_lbl" xml:lang="en-US">IPR&amp;D related to Immunorizon (see 4C below) [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IPRDRelatedToImmunorizonSee5CBelowMember" xlink:to="ppbt_IPRDRelatedToImmunorizonSee5CBelowMember_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_IPRDRelatedToPurpleGmbHMember" xlink:href="ppbt-20251231.xsd#ppbt_IPRDRelatedToPurpleGmbHMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_IPRDRelatedToPurpleGmbHMember_lbl" xml:lang="en-US">IPR&amp;D related to Purple GmbH (see 4D below) [Member]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IPRDRelatedToPurpleGmbHMember" xlink:to="ppbt_IPRDRelatedToPurpleGmbHMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="currency_USD" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_USD"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="currency_USD_lbl" xml:lang="en-US">Balance in USD [Member]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="currency_USD" xlink:to="currency_USD_lbl"/>     
    <loc xlink:type="locator" xlink:label="srt_OtherCurrencyMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OtherCurrencyMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_OtherCurrencyMember_lbl" xml:lang="en-US">Balance in other currencies [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_OtherCurrencyMember" xlink:to="srt_OtherCurrencyMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_LeaseReceivablesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseReceivablesMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LeaseReceivablesMember_lbl" xml:lang="en-US">Office lease [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseReceivablesMember" xlink:to="ifrs-full_LeaseReceivablesMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_NotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotLaterThanOneYearMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NotLaterThanOneYearMember_lbl" xml:lang="en-US">Less than one year	[Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotLaterThanOneYearMember" xlink:to="ifrs-full_NotLaterThanOneYearMember_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_lbl" xml:lang="en-US">One to two years [Member]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_OrdinaryShareMember" xlink:href="ppbt-20251231.xsd#ppbt_OrdinaryShareMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_OrdinaryShareMember_lbl" xml:lang="en-US">Ordinary Share [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OrdinaryShareMember" xlink:to="ppbt_OrdinaryShareMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_PreferredShareClassMember" xlink:href="ppbt-20251231.xsd#ppbt_PreferredShareClassMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PreferredShareClassMember_lbl" xml:lang="en-US">Class A Preferred Shares [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreferredShareClassMember" xlink:to="ppbt_PreferredShareClassMember_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_PreferredShareClassBMember" xlink:href="ppbt-20251231.xsd#ppbt_PreferredShareClassBMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PreferredShareClassBMember_lbl" xml:lang="en-US">Class B Preferred Shares [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreferredShareClassBMember" xlink:to="ppbt_PreferredShareClassBMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_PreferredClassCMember" xlink:href="ppbt-20251231.xsd#ppbt_PreferredClassCMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PreferredClassCMember_lbl" xml:lang="en-US">Class C Preferred Shares [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreferredClassCMember" xlink:to="ppbt_PreferredClassCMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_PreferredClassDMember" xlink:href="ppbt-20251231.xsd#ppbt_PreferredClassDMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PreferredClassDMember_lbl" xml:lang="en-US">Class D Preferred Shares [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreferredClassDMember" xlink:to="ppbt_PreferredClassDMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ClassEPreferredSharesMember" xlink:href="ppbt-20251231.xsd#ppbt_ClassEPreferredSharesMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ClassEPreferredSharesMember_lbl" xml:lang="en-US">Class E Preferred Shares [Member]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ClassEPreferredSharesMember" xlink:to="ppbt_ClassEPreferredSharesMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_September2025OfferingMember" xlink:href="ppbt-20251231.xsd#ppbt_September2025OfferingMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_September2025OfferingMember_lbl" xml:lang="en-US">September 2025 Offering [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_September2025OfferingMember" xlink:to="ppbt_September2025OfferingMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BottomOfRangeMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BottomOfRangeMember_lbl" xml:lang="en-US">Bottom of Range [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BottomOfRangeMember" xlink:to="ifrs-full_BottomOfRangeMember_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_BottomOfRangeMember_lbl0" xml:lang="en-US">Down 2% [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BottomOfRangeMember" xlink:to="ifrs-full_BottomOfRangeMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="ifrs-full_BottomOfRangeMember_lbl1" xml:lang="en-US">Bottom of range [member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BottomOfRangeMember" xlink:to="ifrs-full_BottomOfRangeMember_lbl1"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TopOfRangeMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TopOfRangeMember_lbl" xml:lang="en-US">Top of Range [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TopOfRangeMember" xlink:to="ifrs-full_TopOfRangeMember_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_TopOfRangeMember_lbl0" xml:lang="en-US">Up 5% [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TopOfRangeMember" xlink:to="ifrs-full_TopOfRangeMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="ifrs-full_TopOfRangeMember_lbl1" xml:lang="en-US">Top of range [member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TopOfRangeMember" xlink:to="ifrs-full_TopOfRangeMember_lbl1"/>    
    <loc xlink:type="locator" xlink:label="ppbt_ResearchAndDevelopmentExpensesMember" xlink:href="ppbt-20251231.xsd#ppbt_ResearchAndDevelopmentExpensesMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ResearchAndDevelopmentExpensesMember_lbl" xml:lang="en-US">Research and development expenses [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ResearchAndDevelopmentExpensesMember" xlink:to="ppbt_ResearchAndDevelopmentExpensesMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_SellingGeneralAndAdministrativeExpenseMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SellingGeneralAndAdministrativeExpenseMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SellingGeneralAndAdministrativeExpenseMember_lbl" xml:lang="en-US">Selling, general and administrative expense [member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SellingGeneralAndAdministrativeExpenseMember" xlink:to="ifrs-full_SellingGeneralAndAdministrativeExpenseMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="srt_ChiefExecutiveOfficerMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ChiefExecutiveOfficerMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_ChiefExecutiveOfficerMember_lbl" xml:lang="en-US">Executive Officers [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ChiefExecutiveOfficerMember" xlink:to="srt_ChiefExecutiveOfficerMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="srt_DirectorMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_DirectorMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_DirectorMember_lbl" xml:lang="en-US">Directors [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_DirectorMember" xlink:to="srt_DirectorMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_SalariesWagesAndRelatedExpensesMember" xlink:href="ppbt-20251231.xsd#ppbt_SalariesWagesAndRelatedExpensesMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_SalariesWagesAndRelatedExpensesMember_lbl" xml:lang="en-US">Salaries, wages and related expenses [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SalariesWagesAndRelatedExpensesMember" xlink:to="ppbt_SalariesWagesAndRelatedExpensesMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_ShareBasedPaymentsMember" xlink:href="ppbt-20251231.xsd#ppbt_ShareBasedPaymentsMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ShareBasedPaymentsMember_lbl" xml:lang="en-US">Share-based payments [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShareBasedPaymentsMember" xlink:to="ppbt_ShareBasedPaymentsMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_ServiceProvidersMember" xlink:href="ppbt-20251231.xsd#ppbt_ServiceProvidersMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ServiceProvidersMember_lbl" xml:lang="en-US">Service providers [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ServiceProvidersMember" xlink:to="ppbt_ServiceProvidersMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_CurrencyRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrencyRiskMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrencyRiskMember_lbl" xml:lang="en-US">Currency risk [Member]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrencyRiskMember" xlink:to="ifrs-full_CurrencyRiskMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_CashAndCashEquivalentsAndDepositsMember" xlink:href="ppbt-20251231.xsd#ppbt_CashAndCashEquivalentsAndDepositsMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_CashAndCashEquivalentsAndDepositsMember_lbl" xml:lang="en-US">Cash and cash equivalents and deposits [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CashAndCashEquivalentsAndDepositsMember" xlink:to="ppbt_CashAndCashEquivalentsAndDepositsMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_NISMember" xlink:href="ppbt-20251231.xsd#ppbt_NISMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_NISMember_lbl" xml:lang="en-US">NIS [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NISMember" xlink:to="ppbt_NISMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_OtherCurrentAssetMember" xlink:href="ppbt-20251231.xsd#ppbt_OtherCurrentAssetMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_OtherCurrentAssetMember_lbl" xml:lang="en-US">Other current assets [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OtherCurrentAssetMember" xlink:to="ppbt_OtherCurrentAssetMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_AccountPayablesMember" xlink:href="ppbt-20251231.xsd#ppbt_AccountPayablesMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_AccountPayablesMember_lbl" xml:lang="en-US">Accounts payable [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AccountPayablesMember" xlink:to="ppbt_AccountPayablesMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_OtherPayablesMember" xlink:href="ppbt-20251231.xsd#ppbt_OtherPayablesMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_OtherPayablesMember_lbl" xml:lang="en-US">Other payables [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OtherPayablesMember" xlink:to="ppbt_OtherPayablesMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_PostemploymentBenefitLiabilitiesMember" xlink:href="ppbt-20251231.xsd#ppbt_PostemploymentBenefitLiabilitiesMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PostemploymentBenefitLiabilitiesMember_lbl" xml:lang="en-US">Post-employment benefit liabilities [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PostemploymentBenefitLiabilitiesMember" xlink:to="ppbt_PostemploymentBenefitLiabilitiesMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_EUROMember" xlink:href="ppbt-20251231.xsd#ppbt_EUROMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_EUROMember_lbl" xml:lang="en-US">EURO [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EUROMember" xlink:to="ppbt_EUROMember_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_DownRangeOneMember" xlink:href="ppbt-20251231.xsd#ppbt_DownRangeOneMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DownRangeOneMember_lbl" xml:lang="en-US">Down 5% [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DownRangeOneMember" xlink:to="ppbt_DownRangeOneMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_UpRangeOneMember" xlink:href="ppbt-20251231.xsd#ppbt_UpRangeOneMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_UpRangeOneMember_lbl" xml:lang="en-US">Up 2% [Member]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_UpRangeOneMember" xlink:to="ppbt_UpRangeOneMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_Level1OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level1OfFairValueHierarchyMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Level1OfFairValueHierarchyMember_lbl" xml:lang="en-US">Level 1 [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level1OfFairValueHierarchyMember" xlink:to="ifrs-full_Level1OfFairValueHierarchyMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_Level2OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level2OfFairValueHierarchyMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Level2OfFairValueHierarchyMember_lbl" xml:lang="en-US">Level 2 [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level2OfFairValueHierarchyMember" xlink:to="ifrs-full_Level2OfFairValueHierarchyMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember_lbl" xml:lang="en-US">Level 3 [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_FinancialLiabilityWarrantMember" xlink:href="ppbt-20251231.xsd#ppbt_FinancialLiabilityWarrantMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FinancialLiabilityWarrantMember_lbl" xml:lang="en-US">Financial liability- warrant [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialLiabilityWarrantMember" xlink:to="ppbt_FinancialLiabilityWarrantMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_FinancialAssetConvertibleNoteMember" xlink:href="ppbt-20251231.xsd#ppbt_FinancialAssetConvertibleNoteMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FinancialAssetConvertibleNoteMember_lbl" xml:lang="en-US">Financial asset- convertible note [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialAssetConvertibleNoteMember" xlink:to="ppbt_FinancialAssetConvertibleNoteMember_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_WarrantsoneMember" xlink:href="ppbt-20251231.xsd#ppbt_WarrantsoneMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_WarrantsoneMember_lbl" xml:lang="en-US">Warrants [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsoneMember" xlink:to="ppbt_WarrantsoneMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfShareCapitalAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfShareCapitalAxis_lbl" xml:lang="en-US">Classes of share capital [axis]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfShareCapitalAxis" xlink:to="ifrs-full_ClassesOfShareCapitalAxis_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_lbl" xml:lang="en-US">Non-adjusting events after reporting period [axis]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis_lbl" xml:lang="en-US">Categories of related parties [axis]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_lbl" xml:lang="en-US">Liabilities arising from financing activities [axis]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:to="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfAntidilutiveInstrumentsAxis"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfAntidilutiveInstrumentsAxis_lbl" xml:lang="en-US">Types of antidilutive instruments [axis]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:to="ifrs-full_TypesOfAntidilutiveInstrumentsAxis_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfOrdinarySharesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOrdinarySharesAxis"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfOrdinarySharesAxis_lbl" xml:lang="en-US">Classes of ordinary shares [axis]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfOrdinarySharesAxis" xlink:to="ifrs-full_ClassesOfOrdinarySharesAxis_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_lbl" xml:lang="en-US">Types of share-based payment arrangements [axis]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_RangesAxis" xlink:href="ppbt-20251231.xsd#ppbt_RangesAxis"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_RangesAxis_lbl" xml:lang="en-US">Ranges [Axis]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_RangesAxis" xlink:to="ppbt_RangesAxis_lbl"/> 
    <loc xlink:type="locator" xlink:label="srt_ProductOrServiceAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ProductOrServiceAxis_lbl" xml:lang="en-US">Product and Service [Axis]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductOrServiceAxis_lbl"/>    
    <loc xlink:type="locator" xlink:label="us-gaap_AccountingPoliciesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountingPoliciesAbstract"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xml:lang="en-US">Accounting Policies [Abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl"/>    
    <loc xlink:type="locator" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl" xml:lang="en-US">Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl"/> 
    <loc xlink:type="locator" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#cyd_CybersecurityRiskManagementProcessesIntegratedFlag"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag_lbl" xml:lang="en-US">Cybersecurity Risk Management Processes Integrated [Flag]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementProcessesIntegratedFlag" xlink:to="cyd_CybersecurityRiskManagementProcessesIntegratedFlag_lbl"/>    
    <loc xlink:type="locator" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xml:lang="en-US">Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" xlink:to="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl"/>   
    <loc xlink:type="locator" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag_lbl" xml:lang="en-US">Cybersecurity Risk Management Positions or Committees Responsible [Flag]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag_lbl"/>     
    <loc xlink:type="locator" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#cyd_CybersecurityRiskRoleOfManagementTextBlock"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock_lbl" xml:lang="en-US">Cybersecurity Risk Role of Management [Text Block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskRoleOfManagementTextBlock" xlink:to="cyd_CybersecurityRiskRoleOfManagementTextBlock_lbl"/>   
    <loc xlink:type="locator" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#cyd_CybersecurityRiskManagementThirdPartyEngagedFlag"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl" xml:lang="en-US">Cybersecurity Risk Management Third Party Engaged [Flag]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag" xlink:to="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl"/>     
    <loc xlink:type="locator" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl" xml:lang="en-US">Cybersecurity Risk Board of Directors Oversight [Text Block]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl"/> 
    <loc xlink:type="locator" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl" xml:lang="en-US">Cybersecurity Risk Management Positions or Committees Responsible [Text Block]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_AmericanDepositorySharesOrdinaryShares" xlink:href="ppbt-20251231.xsd#ppbt_AmericanDepositorySharesOrdinaryShares"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_AmericanDepositorySharesOrdinaryShares_lbl" xml:lang="en-US">American depository ordinary shares</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AmericanDepositorySharesOrdinaryShares" xlink:to="ppbt_AmericanDepositorySharesOrdinaryShares_lbl"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ppbt_AmericanDepositorySharesOrdinaryShares_lbl0" xml:lang="en-US">Ordinary shares (in Shares)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AmericanDepositorySharesOrdinaryShares" xlink:to="ppbt_AmericanDepositorySharesOrdinaryShares_lbl0"/>   
    <loc xlink:type="locator" xlink:label="ppbt_CommonStockNoParValues" xlink:href="ppbt-20251231.xsd#ppbt_CommonStockNoParValues"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_CommonStockNoParValues_lbl" xml:lang="en-US">Common stock par value (in Dollars per share)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CommonStockNoParValues" xlink:to="ppbt_CommonStockNoParValues_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_StockholdersEquityReversesStockSplit" xlink:href="ppbt-20251231.xsd#ppbt_StockholdersEquityReversesStockSplit"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_StockholdersEquityReversesStockSplit_lbl" xml:lang="en-US">Stockholders equity reverse stock split</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_StockholdersEquityReversesStockSplit" xlink:to="ppbt_StockholdersEquityReversesStockSplit_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_PercentageOfContractToAcquire" xlink:href="ppbt-20251231.xsd#ppbt_PercentageOfContractToAcquire"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PercentageOfContractToAcquire_lbl" xml:lang="en-US">Contract to acquire, percentage</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfContractToAcquire" xlink:to="ppbt_PercentageOfContractToAcquire_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_RetainedEarning" xlink:href="ppbt-20251231.xsd#ppbt_RetainedEarning"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_RetainedEarning_lbl" xml:lang="en-US">Retained earnings (in Dollars)</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_RetainedEarning" xlink:to="ppbt_RetainedEarning_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_PrivateAndPublicFinancingTotal" xlink:href="ppbt-20251231.xsd#ppbt_PrivateAndPublicFinancingTotal"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PrivateAndPublicFinancingTotal_lbl" xml:lang="en-US">Net of issuance expenses (in Dollars)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PrivateAndPublicFinancingTotal" xlink:to="ppbt_PrivateAndPublicFinancingTotal_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_FunctionalCurrency" xlink:href="ppbt-20251231.xsd#ppbt_FunctionalCurrency"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FunctionalCurrency_lbl" xml:lang="en-US">Functional currency</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FunctionalCurrency" xlink:to="ppbt_FunctionalCurrency_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_EquityMethodInvestmentsOwnershipPercentage" xlink:href="ppbt-20251231.xsd#ppbt_EquityMethodInvestmentsOwnershipPercentage"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_EquityMethodInvestmentsOwnershipPercentage_lbl" xml:lang="en-US">Direct ownership of equity</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EquityMethodInvestmentsOwnershipPercentage" xlink:to="ppbt_EquityMethodInvestmentsOwnershipPercentage_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired_lbl" xml:lang="en-US">Percentage of voting interest</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:to="ifrs-full_PercentageOfVotingEquityInterestsAcquired_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_TotalAcquisitionAmount" xlink:href="ppbt-20251231.xsd#ppbt_TotalAcquisitionAmount"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_TotalAcquisitionAmount_lbl" xml:lang="en-US">Acquisition amount</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TotalAcquisitionAmount" xlink:to="ppbt_TotalAcquisitionAmount_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_AggregateUpfrontPayment" xlink:href="ppbt-20251231.xsd#ppbt_AggregateUpfrontPayment"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_AggregateUpfrontPayment_lbl" xml:lang="en-US">Aggregate upfront payment</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AggregateUpfrontPayment" xlink:to="ppbt_AggregateUpfrontPayment_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_LongTermMilestonesAggregateAmount" xlink:href="ppbt-20251231.xsd#ppbt_LongTermMilestonesAggregateAmount"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_LongTermMilestonesAggregateAmount_lbl" xml:lang="en-US">Long term milestones aggregate amount</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LongTermMilestonesAggregateAmount" xlink:to="ppbt_LongTermMilestonesAggregateAmount_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_IntangibleAssetsRecoverableAmountPercentage" xlink:href="ppbt-20251231.xsd#ppbt_IntangibleAssetsRecoverableAmountPercentage"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_IntangibleAssetsRecoverableAmountPercentage_lbl" xml:lang="en-US">Intangible assets recoverable amount percentage</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IntangibleAssetsRecoverableAmountPercentage" xlink:to="ppbt_IntangibleAssetsRecoverableAmountPercentage_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_AggregateShareholdersOfImmunorizon" xlink:href="ppbt-20251231.xsd#ppbt_AggregateShareholdersOfImmunorizon"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_AggregateShareholdersOfImmunorizon_lbl" xml:lang="en-US">Aggregate shareholders of immunorizon (in Shares)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AggregateShareholdersOfImmunorizon" xlink:to="ppbt_AggregateShareholdersOfImmunorizon_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_AgreementLeaseTerm" xlink:href="ppbt-20251231.xsd#ppbt_AgreementLeaseTerm"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_AgreementLeaseTerm_lbl" xml:lang="en-US">Agreement lease term</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AgreementLeaseTerm" xlink:to="ppbt_AgreementLeaseTerm_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_AdditionsToRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsToRightofuseAssets"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdditionsToRightofuseAssets_lbl" xml:lang="en-US">Lease liability and right-of-use asset (in Dollars)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdditionsToRightofuseAssets" xlink:to="ifrs-full_AdditionsToRightofuseAssets_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_AgreementLeaseAdditionalTerm" xlink:href="ppbt-20251231.xsd#ppbt_AgreementLeaseAdditionalTerm"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_AgreementLeaseAdditionalTerm_lbl" xml:lang="en-US">Agreement lease additional term</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AgreementLeaseAdditionalTerm" xlink:to="ppbt_AgreementLeaseAdditionalTerm_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_NumberOfSharesOutstanding" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesOutstanding"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US">Authorized share capital</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesOutstanding" xlink:to="ifrs-full_NumberOfSharesOutstanding_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_NonVotingSeniorPreferredShares" xlink:href="ppbt-20251231.xsd#ppbt_NonVotingSeniorPreferredShares"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_NonVotingSeniorPreferredShares_lbl" xml:lang="en-US">Non-voting senior preferred shares</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NonVotingSeniorPreferredShares" xlink:to="ppbt_NonVotingSeniorPreferredShares_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_ReverseRatio" xlink:href="ppbt-20251231.xsd#ppbt_ReverseRatio"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ReverseRatio_lbl" xml:lang="en-US">Reverse ratio</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ReverseRatio" xlink:to="ppbt_ReverseRatio_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_NumberOfNonTradableWarrants" xlink:href="ppbt-20251231.xsd#ppbt_NumberOfNonTradableWarrants"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_NumberOfNonTradableWarrants_lbl" xml:lang="en-US">Aggregate shares</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfNonTradableWarrants" xlink:to="ppbt_NumberOfNonTradableWarrants_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_WarrantsIssued" xlink:href="ppbt-20251231.xsd#ppbt_WarrantsIssued"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_WarrantsIssued_lbl" xml:lang="en-US">Warrant purchased</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsIssued" xlink:to="ppbt_WarrantsIssued_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ppbt_WarrantsIssued_lbl0" xml:lang="en-US">Warrants issued (in Shares)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsIssued" xlink:to="ppbt_WarrantsIssued_lbl0"/>     
    <loc xlink:type="locator" xlink:label="ppbt_WarrantsExercised" xlink:href="ppbt-20251231.xsd#ppbt_WarrantsExercised"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_WarrantsExercised_lbl" xml:lang="en-US">Warrants exercised</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsExercised" xlink:to="ppbt_WarrantsExercised_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_OfferingPricePerShare" xlink:href="ppbt-20251231.xsd#ppbt_OfferingPricePerShare"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_OfferingPricePerShare_lbl" xml:lang="en-US">Offering price per share (in Dollars per share)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OfferingPricePerShare" xlink:to="ppbt_OfferingPricePerShare_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_PreFundedWarant" xlink:href="ppbt-20251231.xsd#ppbt_PreFundedWarant"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PreFundedWarant_lbl" xml:lang="en-US">Pre funded warrant (in Dollars per share)</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreFundedWarant" xlink:to="ppbt_PreFundedWarant_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_AggregateGrossProceeds" xlink:href="ppbt-20251231.xsd#ppbt_AggregateGrossProceeds"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_AggregateGrossProceeds_lbl" xml:lang="en-US">Aggregate gross proceeds (in Dollars)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AggregateGrossProceeds" xlink:to="ppbt_AggregateGrossProceeds_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_NetPlacementAgentFees" xlink:href="ppbt-20251231.xsd#ppbt_NetPlacementAgentFees"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_NetPlacementAgentFees_lbl" xml:lang="en-US">Net placement agent fees (in Dollars)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NetPlacementAgentFees" xlink:to="ppbt_NetPlacementAgentFees_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_WarrantExercisableExpirePeriod" xlink:href="ppbt-20251231.xsd#ppbt_WarrantExercisableExpirePeriod"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_WarrantExercisableExpirePeriod_lbl" xml:lang="en-US">Warrant exercisable expire period</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantExercisableExpirePeriod" xlink:to="ppbt_WarrantExercisableExpirePeriod_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_PreFundExercisePriceWarrants" xlink:href="ppbt-20251231.xsd#ppbt_PreFundExercisePriceWarrants"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PreFundExercisePriceWarrants_lbl" xml:lang="en-US">Pre Funded exercise price warrants (in Dollars per share)</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreFundExercisePriceWarrants" xlink:to="ppbt_PreFundExercisePriceWarrants_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_FundsRaisedAmount" xlink:href="ppbt-20251231.xsd#ppbt_FundsRaisedAmount"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FundsRaisedAmount_lbl" xml:lang="en-US">Company funds raised (in Dollars)</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FundsRaisedAmount" xlink:to="ppbt_FundsRaisedAmount_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_ParValuePerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ParValuePerShare"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ParValuePerShare_lbl" xml:lang="en-US">Public offering issued price (in Dollars per share)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ParValuePerShare" xlink:to="ifrs-full_ParValuePerShare_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ParValuePerShare_lbl0" xml:lang="en-US">Exercise price per share (in Dollars per share)</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ParValuePerShare" xlink:to="ifrs-full_ParValuePerShare_lbl0"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_ShareIssueRelatedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShareIssueRelatedCost"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ShareIssueRelatedCost_lbl" xml:lang="en-US">Net of issuance expenses (in Dollars)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShareIssueRelatedCost" xlink:to="ifrs-full_ShareIssueRelatedCost_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_FundsRaisedshares" xlink:href="ppbt-20251231.xsd#ppbt_FundsRaisedshares"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FundsRaisedshares_lbl" xml:lang="en-US">Funds raised amount</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FundsRaisedshares" xlink:to="ppbt_FundsRaisedshares_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_WarrantsExercisableTerm" xlink:href="ppbt-20251231.xsd#ppbt_WarrantsExercisableTerm"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_WarrantsExercisableTerm_lbl" xml:lang="en-US">Warrants exercisable term</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsExercisableTerm" xlink:to="ppbt_WarrantsExercisableTerm_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_WarrantReserve" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WarrantReserve"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WarrantReserve_lbl" xml:lang="en-US">Warrant inducement transaction gross (in Dollars)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WarrantReserve" xlink:to="ifrs-full_WarrantReserve_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_DepositaryShares" xlink:href="ppbt-20251231.xsd#ppbt_DepositaryShares"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DepositaryShares_lbl" xml:lang="en-US">Depositary shares</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DepositaryShares" xlink:to="ppbt_DepositaryShares_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_PurchaseOfCommonStockAndWarrants" xlink:href="ppbt-20251231.xsd#ppbt_PurchaseOfCommonStockAndWarrants"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PurchaseOfCommonStockAndWarrants_lbl" xml:lang="en-US">Warrants to purchase shares</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PurchaseOfCommonStockAndWarrants" xlink:to="ppbt_PurchaseOfCommonStockAndWarrants_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_WarrantLiability" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WarrantLiability"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WarrantLiability_lbl" xml:lang="en-US">Warrant liability fair value (in Dollars)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WarrantLiability" xlink:to="ifrs-full_WarrantLiability_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WarrantLiability_lbl0" xml:lang="en-US">Warrants amount</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WarrantLiability" xlink:to="ifrs-full_WarrantLiability_lbl0"/>    
    <loc xlink:type="locator" xlink:label="ppbt_WarrantsTerm" xlink:href="ppbt-20251231.xsd#ppbt_WarrantsTerm"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_WarrantsTerm_lbl" xml:lang="en-US">Warrants term</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsTerm" xlink:to="ppbt_WarrantsTerm_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_IssuesOfEquity" xlink:href="ppbt-20251231.xsd#ppbt_IssuesOfEquity"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_IssuesOfEquity_lbl" xml:lang="en-US">Issue of equity</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IssuesOfEquity" xlink:to="ppbt_IssuesOfEquity_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_ExerciseOfWarrantsEquity" xlink:href="ppbt-20251231.xsd#ppbt_ExerciseOfWarrantsEquity"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ExerciseOfWarrantsEquity_lbl" xml:lang="en-US">Warrants fair value (in Dollars)</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ExerciseOfWarrantsEquity" xlink:to="ppbt_ExerciseOfWarrantsEquity_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_WarrantTermDescription" xlink:href="ppbt-20251231.xsd#ppbt_WarrantTermDescription"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_WarrantTermDescription_lbl" xml:lang="en-US">Warrant term, description</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantTermDescription" xlink:to="ppbt_WarrantTermDescription_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_InsuranceContractsIssuedThatAreAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InsuranceContractsIssuedThatAreAssets"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InsuranceContractsIssuedThatAreAssets_lbl" xml:lang="en-US">Prospectus amount (in Dollars)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InsuranceContractsIssuedThatAreAssets" xlink:to="ifrs-full_InsuranceContractsIssuedThatAreAssets_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_SalesAgreementShares" xlink:href="ppbt-20251231.xsd#ppbt_SalesAgreementShares"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_SalesAgreementShares_lbl" xml:lang="en-US">Sales agreement</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SalesAgreementShares" xlink:to="ppbt_SalesAgreementShares_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageSharePrice2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageSharePrice2019"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageSharePrice2019_lbl" xml:lang="en-US">Average price (in Dollars per share)</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageSharePrice2019" xlink:to="ifrs-full_WeightedAverageSharePrice2019_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_noncontrollingInterests" xlink:href="ppbt-20251231.xsd#ppbt_noncontrollingInterests"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_noncontrollingInterests_lbl" xml:lang="en-US">Non-controlling interests</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_noncontrollingInterests" xlink:to="ppbt_noncontrollingInterests_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US">Exercise price of option (in Dollars per share)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_OptionExerciseOrdinaryShare" xlink:href="ppbt-20251231.xsd#ppbt_OptionExerciseOrdinaryShare"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_OptionExerciseOrdinaryShare_lbl" xml:lang="en-US">Option exercise ordinary share (in Shares)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OptionExerciseOrdinaryShare" xlink:to="ppbt_OptionExerciseOrdinaryShare_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_VestingPeriod" xlink:href="ppbt-20251231.xsd#ppbt_VestingPeriod"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_VestingPeriod_lbl" xml:lang="en-US">Vesting period</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_VestingPeriod" xlink:to="ppbt_VestingPeriod_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ExercisePeriod" xlink:href="ppbt-20251231.xsd#ppbt_ExercisePeriod"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ExercisePeriod_lbl" xml:lang="en-US">Exercisable period</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ExercisePeriod" xlink:to="ppbt_ExercisePeriod_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_lbl" xml:lang="en-US">Fair value options value (in Dollars)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:to="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_ConsultantPerShares" xlink:href="ppbt-20251231.xsd#ppbt_ConsultantPerShares"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ConsultantPerShares_lbl" xml:lang="en-US">Consultant per shares (in Dollars per share)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ConsultantPerShares" xlink:to="ppbt_ConsultantPerShares_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_AmericanDepostioryShares" xlink:href="ppbt-20251231.xsd#ppbt_AmericanDepostioryShares"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_AmericanDepostioryShares_lbl" xml:lang="en-US">American shares (in Shares)</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AmericanDepostioryShares" xlink:to="ppbt_AmericanDepostioryShares_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_lbl" xml:lang="en-US">Weighted average contractual life</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:to="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ConvertibleShares" xlink:href="ppbt-20251231.xsd#ppbt_ConvertibleShares"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ConvertibleShares_lbl" xml:lang="en-US">Convertible shares (in Shares)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ConvertibleShares" xlink:to="ppbt_ConvertibleShares_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_PercentageOfCapacityOfAnAdvisor" xlink:href="ppbt-20251231.xsd#ppbt_PercentageOfCapacityOfAnAdvisor"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PercentageOfCapacityOfAnAdvisor_lbl" xml:lang="en-US">Percentage of capacity of an advisor</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfCapacityOfAnAdvisor" xlink:to="ppbt_PercentageOfCapacityOfAnAdvisor_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_PercentageOfEntitysRevenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfEntitysRevenue"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PercentageOfEntitysRevenue_lbl" xml:lang="en-US">Annual interest rate of revenues</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfEntitysRevenue" xlink:to="ifrs-full_PercentageOfEntitysRevenue_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_RevenueFromRoyalties" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RevenueFromRoyalties"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RevenueFromRoyalties_lbl" xml:lang="en-US">Royalty payable</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueFromRoyalties" xlink:to="ifrs-full_RevenueFromRoyalties_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_PercentageOfSublicenseConsideration" xlink:href="ppbt-20251231.xsd#ppbt_PercentageOfSublicenseConsideration"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PercentageOfSublicenseConsideration_lbl" xml:lang="en-US">Percentage of sublicense consideration</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfSublicenseConsideration" xlink:to="ppbt_PercentageOfSublicenseConsideration_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_PercentageOfReceiveExitFee" xlink:href="ppbt-20251231.xsd#ppbt_PercentageOfReceiveExitFee"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PercentageOfReceiveExitFee_lbl" xml:lang="en-US">Percentage of exit fee</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfReceiveExitFee" xlink:to="ppbt_PercentageOfReceiveExitFee_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_LicenceFeeIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LicenceFeeIncome"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LicenceFeeIncome_lbl" xml:lang="en-US">Annual license fee (in Dollars)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LicenceFeeIncome" xlink:to="ifrs-full_LicenceFeeIncome_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_GainsOnLitigationSettlements" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsOnLitigationSettlements"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainsOnLitigationSettlements_lbl" xml:lang="en-US">Gains on litigation settlements</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsOnLitigationSettlements" xlink:to="ifrs-full_GainsOnLitigationSettlements_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_GainLossOnWarrants" xlink:href="ppbt-20251231.xsd#ppbt_GainLossOnWarrants"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_GainLossOnWarrants_lbl" xml:lang="en-US">Warrants generated</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_GainLossOnWarrants" xlink:to="ppbt_GainLossOnWarrants_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ApplicableTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ApplicableTaxRate"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ApplicableTaxRate_lbl" xml:lang="en-US">Tax rate applicable</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ApplicableTaxRate" xlink:to="ifrs-full_ApplicableTaxRate_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_StatutoryTaxRate" xlink:href="ppbt-20251231.xsd#ppbt_StatutoryTaxRate"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_StatutoryTaxRate_lbl" xml:lang="en-US">Statutory tax rate</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_StatutoryTaxRate" xlink:to="ppbt_StatutoryTaxRate_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense_lbl" xml:lang="en-US">Tax benefit</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense" xlink:to="ifrs-full_TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_EffectiveTaxRate" xlink:href="ppbt-20251231.xsd#ppbt_EffectiveTaxRate"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_EffectiveTaxRate_lbl" xml:lang="en-US">Effective tax rate</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EffectiveTaxRate" xlink:to="ppbt_EffectiveTaxRate_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_UnrecognizedResearchAndDevelopmentExpenses" xlink:href="ppbt-20251231.xsd#ppbt_UnrecognizedResearchAndDevelopmentExpenses"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_UnrecognizedResearchAndDevelopmentExpenses_lbl" xml:lang="en-US">Unrecognized research and development expenses</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_UnrecognizedResearchAndDevelopmentExpenses" xlink:to="ppbt_UnrecognizedResearchAndDevelopmentExpenses_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_EmployeeBenefitBonus" xlink:href="ppbt-20251231.xsd#ppbt_EmployeeBenefitBonus"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_EmployeeBenefitBonus_lbl" xml:lang="en-US">Bonuses expenses</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EmployeeBenefitBonus" xlink:to="ppbt_EmployeeBenefitBonus_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_EmployeeBenefitsLiabilityDueGrants" xlink:href="ppbt-20251231.xsd#ppbt_EmployeeBenefitsLiabilityDueGrants"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_EmployeeBenefitsLiabilityDueGrants_lbl" xml:lang="en-US">Employee benefits liability due grants</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EmployeeBenefitsLiabilityDueGrants" xlink:to="ppbt_EmployeeBenefitsLiabilityDueGrants_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_BorrowingsInterestRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsInterestRate"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BorrowingsInterestRate_lbl" xml:lang="en-US">Bear fixed interest, percentage</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsInterestRate" xlink:to="ifrs-full_BorrowingsInterestRate_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_ShortTermDepositsGuaranteedForLeasesAndCredit" xlink:href="ppbt-20251231.xsd#ppbt_ShortTermDepositsGuaranteedForLeasesAndCredit"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ShortTermDepositsGuaranteedForLeasesAndCredit_lbl" xml:lang="en-US">Short term deposits guaranteed for leases and credit</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShortTermDepositsGuaranteedForLeasesAndCredit" xlink:to="ppbt_ShortTermDepositsGuaranteedForLeasesAndCredit_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_ShortTermDepositsGuaranteedForHedgingTransactions" xlink:href="ppbt-20251231.xsd#ppbt_ShortTermDepositsGuaranteedForHedgingTransactions"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ShortTermDepositsGuaranteedForHedgingTransactions_lbl" xml:lang="en-US">Short term deposits</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShortTermDepositsGuaranteedForHedgingTransactions" xlink:to="ppbt_ShortTermDepositsGuaranteedForHedgingTransactions_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_IssueOfConvertibleInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssueOfConvertibleInstruments"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IssueOfConvertibleInstruments_lbl" xml:lang="en-US">Convertible note amount</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssueOfConvertibleInstruments" xlink:to="ifrs-full_IssueOfConvertibleInstruments_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_ConvertibleWarrants" xlink:href="ppbt-20251231.xsd#ppbt_ConvertibleWarrants"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ConvertibleWarrants_lbl" xml:lang="en-US">Convertible warrants (in Shares)</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ConvertibleWarrants" xlink:to="ppbt_ConvertibleWarrants_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_TerminationExercisePrice" xlink:href="ppbt-20251231.xsd#ppbt_TerminationExercisePrice"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_TerminationExercisePrice_lbl" xml:lang="en-US">Termination exercise price (in Dollars per share)</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TerminationExercisePrice" xlink:to="ppbt_TerminationExercisePrice_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_WarrantExercisePricePerShare" xlink:href="ppbt-20251231.xsd#ppbt_WarrantExercisePricePerShare"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_WarrantExercisePricePerShare_lbl" xml:lang="en-US">Warrants exercise price per share (in Dollars per share)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantExercisePricePerShare" xlink:to="ppbt_WarrantExercisePricePerShare_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_DepositarysShares" xlink:href="ppbt-20251231.xsd#ppbt_DepositarysShares"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DepositarysShares_lbl" xml:lang="en-US">Depositary shares (in Shares)</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DepositarysShares" xlink:to="ppbt_DepositarysShares_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_AggregateWarrantsShares" xlink:href="ppbt-20251231.xsd#ppbt_AggregateWarrantsShares"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_AggregateWarrantsShares_lbl" xml:lang="en-US">Aggregate warrants shares (in Shares)</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AggregateWarrantsShares" xlink:to="ppbt_AggregateWarrantsShares_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock" xlink:href="ppbt-20251231.xsd#ppbt_DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock_lbl" xml:lang="en-US">Basis of consolidation</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock" xlink:to="ppbt_DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_lbl" xml:lang="en-US">Foreign currency transactions</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_lbl" xml:lang="en-US">Financial instruments</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_lbl" xml:lang="en-US">Intangible assets</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_lbl" xml:lang="en-US">Impairment</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_lbl" xml:lang="en-US">Loss per share</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_lbl" xml:lang="en-US">Employee benefits</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_lbl" xml:lang="en-US">Share-based payment transactions</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_lbl" xml:lang="en-US">Provisions</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory_lbl" xml:lang="en-US">Financing income and expense</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_lbl" xml:lang="en-US">Income tax expense</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_lbl" xml:lang="en-US">Leases</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory_lbl" xml:lang="en-US">Accounting standards issued but not yet effective</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory" xlink:to="ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_SubsequentEventsMember" xlink:href="ppbt-20251231.xsd#ppbt_SubsequentEventsMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_SubsequentEventsMember_lbl" xml:lang="en-US">Subsequent Events [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SubsequentEventsMember" xlink:to="ppbt_SubsequentEventsMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_AdsMember" xlink:href="ppbt-20251231.xsd#ppbt_AdsMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_AdsMember_lbl" xml:lang="en-US">ADS [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AdsMember" xlink:to="ppbt_AdsMember_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ppbt_AdsMember_lbl0" xml:lang="en-US">Ads [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AdsMember" xlink:to="ppbt_AdsMember_lbl0"/>     
    <loc xlink:type="locator" xlink:label="ppbt_RehovotMember" xlink:href="ppbt-20251231.xsd#ppbt_RehovotMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_RehovotMember_lbl" xml:lang="en-US">Rehovot [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_RehovotMember" xlink:to="ppbt_RehovotMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_LeaseAgreementOneMember" xlink:href="ppbt-20251231.xsd#ppbt_LeaseAgreementOneMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_LeaseAgreementOneMember_lbl" xml:lang="en-US">Lease Agreement One [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LeaseAgreementOneMember" xlink:to="ppbt_LeaseAgreementOneMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_LeaseAgreementsTwoMember" xlink:href="ppbt-20251231.xsd#ppbt_LeaseAgreementsTwoMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_LeaseAgreementsTwoMember_lbl" xml:lang="en-US">Lease Agreements Two [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LeaseAgreementsTwoMember" xlink:to="ppbt_LeaseAgreementsTwoMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_OrdinarySharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OrdinarySharesMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OrdinarySharesMember_lbl" xml:lang="en-US">Ordinary Shares [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OrdinarySharesMember" xlink:to="ifrs-full_OrdinarySharesMember_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OrdinarySharesMember_lbl0" xml:lang="en-US">Ordinary shares [member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OrdinarySharesMember" xlink:to="ifrs-full_OrdinarySharesMember_lbl0"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_PreferenceSharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PreferenceSharesMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PreferenceSharesMember_lbl" xml:lang="en-US">Preferred Shares [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PreferenceSharesMember" xlink:to="ifrs-full_PreferenceSharesMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_WarrantsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WarrantsMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WarrantsMember_lbl" xml:lang="en-US">Warrants [member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WarrantsMember" xlink:to="ifrs-full_WarrantsMember_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WarrantsMember_lbl0" xml:lang="en-US">Warrants [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WarrantsMember" xlink:to="ifrs-full_WarrantsMember_lbl0"/>     
    <loc xlink:type="locator" xlink:label="ppbt_PrivatePlacementsMember" xlink:href="ppbt-20251231.xsd#ppbt_PrivatePlacementsMember"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PrivatePlacementsMember_lbl" xml:lang="en-US">Private Placement [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PrivatePlacementsMember" xlink:to="ppbt_PrivatePlacementsMember_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_PublicOfferingMember" xlink:href="ppbt-20251231.xsd#ppbt_PublicOfferingMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_PublicOfferingMember_lbl" xml:lang="en-US">Public offering [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PublicOfferingMember" xlink:to="ppbt_PublicOfferingMember_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ppbt_PublicOfferingMember_lbl0" xml:lang="en-US">Public Offering [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PublicOfferingMember" xlink:to="ppbt_PublicOfferingMember_lbl0"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ATMProgramMember" xlink:href="ppbt-20251231.xsd#ppbt_ATMProgramMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ATMProgramMember_lbl" xml:lang="en-US">ATM Program [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ATMProgramMember" xlink:to="ppbt_ATMProgramMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_RestrictedShareUnitsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RestrictedShareUnitsMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RestrictedShareUnitsMember_lbl" xml:lang="en-US">RSUs Granted [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RestrictedShareUnitsMember" xlink:to="ifrs-full_RestrictedShareUnitsMember_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_RestrictedShareUnitsMember_lbl0" xml:lang="en-US">Restricted share units [Member]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RestrictedShareUnitsMember" xlink:to="ifrs-full_RestrictedShareUnitsMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="ifrs-full_RestrictedShareUnitsMember_lbl1" xml:lang="en-US">Restricted share units [member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RestrictedShareUnitsMember" xlink:to="ifrs-full_RestrictedShareUnitsMember_lbl1"/>    
    <loc xlink:type="locator" xlink:label="ppbt_BoardOfDirectorsMember" xlink:href="ppbt-20251231.xsd#ppbt_BoardOfDirectorsMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_BoardOfDirectorsMember_lbl" xml:lang="en-US">Board of Directors [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_BoardOfDirectorsMember" xlink:to="ppbt_BoardOfDirectorsMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="srt_OfficerMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OfficerMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_OfficerMember_lbl" xml:lang="en-US">Officer [Member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_OfficerMember" xlink:to="srt_OfficerMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_ShareBasedPaymentArrangementsMember" xlink:href="ppbt-20251231.xsd#ppbt_ShareBasedPaymentArrangementsMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_ShareBasedPaymentArrangementsMember_lbl" xml:lang="en-US">Share Based Payment Arrangements [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShareBasedPaymentArrangementsMember" xlink:to="ppbt_ShareBasedPaymentArrangementsMember_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_TryNovosTechnologiesMember" xlink:href="ppbt-20251231.xsd#ppbt_TryNovosTechnologiesMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_TryNovosTechnologiesMember_lbl" xml:lang="en-US">TryNovo&apos;s Technologies [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TryNovosTechnologiesMember" xlink:to="ppbt_TryNovosTechnologiesMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_YissumsLicensedTechnologyMember" xlink:href="ppbt-20251231.xsd#ppbt_YissumsLicensedTechnologyMember"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_YissumsLicensedTechnologyMember_lbl" xml:lang="en-US">Yissum&#8217;s licensed technology [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_YissumsLicensedTechnologyMember" xlink:to="ppbt_YissumsLicensedTechnologyMember_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ppbt_YissumsLicensedTechnologyMember_lbl0" xml:lang="en-US">Yissum&#8217;s Licensed Technology [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_YissumsLicensedTechnologyMember" xlink:to="ppbt_YissumsLicensedTechnologyMember_lbl0"/>    
    <loc xlink:type="locator" xlink:label="ppbt_THMMember" xlink:href="ppbt-20251231.xsd#ppbt_THMMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_THMMember_lbl" xml:lang="en-US">THM [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_THMMember" xlink:to="ppbt_THMMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_BiopharmaceuticalProductMember" xlink:href="ppbt-20251231.xsd#ppbt_BiopharmaceuticalProductMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_BiopharmaceuticalProductMember_lbl" xml:lang="en-US">Biopharmaceutical Product [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_BiopharmaceuticalProductMember" xlink:to="ppbt_BiopharmaceuticalProductMember_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_DiagnosticProductsMember" xlink:href="ppbt-20251231.xsd#ppbt_DiagnosticProductsMember"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_DiagnosticProductsMember_lbl" xml:lang="en-US">Diagnostic Products [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DiagnosticProductsMember" xlink:to="ppbt_DiagnosticProductsMember_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_CreditRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditRiskMember"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CreditRiskMember_lbl" xml:lang="en-US">Credit Risk [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CreditRiskMember" xlink:to="ifrs-full_CreditRiskMember_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_SeriesA1WarrantsMember" xlink:href="ppbt-20251231.xsd#ppbt_SeriesA1WarrantsMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_SeriesA1WarrantsMember_lbl" xml:lang="en-US">Series A-1 Warrants [Member]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SeriesA1WarrantsMember" xlink:to="ppbt_SeriesA1WarrantsMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_SeriesA2WarrantsMember" xlink:href="ppbt-20251231.xsd#ppbt_SeriesA2WarrantsMember"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_SeriesA2WarrantsMember_lbl" xml:lang="en-US">Series A-2 Warrants [Member]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SeriesA2WarrantsMember" xlink:to="ppbt_SeriesA2WarrantsMember_lbl"/>     
    <loc xlink:type="locator" xlink:label="currency_AllCurrenciesDomain" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_AllCurrenciesDomain"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="currency_AllCurrenciesDomain_lbl" xml:lang="en-US">All Currencies [Domain]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_AllCurrenciesDomain_lbl"/>  
    <loc xlink:type="locator" xlink:label="us-gaap_StatementTable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl" xml:lang="en-US">Statement [Table]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl"/>     
    <loc xlink:type="locator" xlink:label="us-gaap_StatementLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementLineItems_lbl" xml:lang="en-US">Statement [Line Items]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ComponentsOfEquityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityDomain"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComponentsOfEquityDomain_lbl" xml:lang="en-US">Components of equity [domain]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComponentsOfEquityDomain" xlink:to="ifrs-full_ComponentsOfEquityDomain_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_StatementsTable" xlink:href="ppbt-20251231.xsd#ppbt_StatementsTable"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_StatementsTable_lbl" xml:lang="en-US">Statement [Table]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_StatementsTable" xlink:to="ppbt_StatementsTable_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems_lbl" xml:lang="en-US">Statement of changes in equity [line items]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_StatementOfChangesInEquityLineItems_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_IntangibleAssetsTablesTable" xlink:href="ppbt-20251231.xsd#ppbt_IntangibleAssetsTablesTable"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IntangibleAssetsTablesTable_lbl" xml:lang="en-US">Intangible Assets (Tables) [Table]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IntangibleAssetsTablesTable" xlink:to="ppbt_IntangibleAssetsTablesTable_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_IntangibleAssetsTablesLineItems" xlink:href="ppbt-20251231.xsd#ppbt_IntangibleAssetsTablesLineItems"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_IntangibleAssetsTablesLineItems_lbl" xml:lang="en-US">Intangible Assets [Abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IntangibleAssetsTablesLineItems" xlink:to="ppbt_IntangibleAssetsTablesLineItems_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_TransactionsandBalanceswithRelatedPartiesTablesTable" xlink:href="ppbt-20251231.xsd#ppbt_TransactionsandBalanceswithRelatedPartiesTablesTable"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_TransactionsandBalanceswithRelatedPartiesTablesTable_lbl" xml:lang="en-US">Transactions and Balances with Related Parties (Tables) [Table]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TransactionsandBalanceswithRelatedPartiesTablesTable" xlink:to="ppbt_TransactionsandBalanceswithRelatedPartiesTablesTable_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_TransactionsandBalanceswithRelatedPartiesTablesLineItems" xlink:href="ppbt-20251231.xsd#ppbt_TransactionsandBalanceswithRelatedPartiesTablesLineItems"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_TransactionsandBalanceswithRelatedPartiesTablesLineItems_lbl" xml:lang="en-US">Transactions and Balances with Related Parties [Abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TransactionsandBalanceswithRelatedPartiesTablesLineItems" xlink:to="ppbt_TransactionsandBalanceswithRelatedPartiesTablesLineItems_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_FinanceExpenseIncomeNetTablesTable" xlink:href="ppbt-20251231.xsd#ppbt_FinanceExpenseIncomeNetTablesTable"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinanceExpenseIncomeNetTablesTable_lbl" xml:lang="en-US">Finance Expense (Income), Net (Tables) [Table]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinanceExpenseIncomeNetTablesTable" xlink:to="ppbt_FinanceExpenseIncomeNetTablesTable_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_FinanceExpenseIncomeNetTablesLineItems" xlink:href="ppbt-20251231.xsd#ppbt_FinanceExpenseIncomeNetTablesLineItems"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ppbt_FinanceExpenseIncomeNetTablesLineItems_lbl" xml:lang="en-US">Finance Expense (Income), Net [Abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinanceExpenseIncomeNetTablesLineItems" xlink:to="ppbt_FinanceExpenseIncomeNetTablesLineItems_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_TypesOfRisksDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksDomain"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfRisksDomain_lbl" xml:lang="en-US">Types of risks [domain]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfRisksDomain" xlink:to="ifrs-full_TypesOfRisksDomain_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_FinancialInstrumentsTablesTable" xlink:href="ppbt-20251231.xsd#ppbt_FinancialInstrumentsTablesTable"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinancialInstrumentsTablesTable_lbl" xml:lang="en-US">Financial Instruments (Tables) [Table]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialInstrumentsTablesTable" xlink:to="ppbt_FinancialInstrumentsTablesTable_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_FinancialInstrumentsLineItems" xlink:href="ppbt-20251231.xsd#ppbt_FinancialInstrumentsLineItems"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinancialInstrumentsLineItems_lbl" xml:lang="en-US">Financial Instruments [Line Items]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialInstrumentsLineItems" xlink:to="ppbt_FinancialInstrumentsLineItems_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_lbl" xml:lang="en-US">Classes of intangible assets other than goodwill [domain]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_IntangibleAssetsScheduleofIntangibleAssetsDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_IntangibleAssetsScheduleofIntangibleAssetsDetailsTable"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IntangibleAssetsScheduleofIntangibleAssetsDetailsTable_lbl" xml:lang="en-US">Intangible Assets - Schedule of Intangible Assets (Details) [Table]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IntangibleAssetsScheduleofIntangibleAssetsDetailsTable" xlink:to="ppbt_IntangibleAssetsScheduleofIntangibleAssetsDetailsTable_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsLineItems_lbl" xml:lang="en-US">Schedule of Intangible Assets [Line Items]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsLineItems_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_CashandCashEquivalentsScheduleofCashandCashEquivalentsDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_CashandCashEquivalentsScheduleofCashandCashEquivalentsDetailsTable"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_CashandCashEquivalentsScheduleofCashandCashEquivalentsDetailsTable_lbl" xml:lang="en-US">Cash and Cash Equivalents - Schedule of Cash and Cash Equivalents (Details) [Table]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CashandCashEquivalentsScheduleofCashandCashEquivalentsDetailsTable" xlink:to="ppbt_CashandCashEquivalentsScheduleofCashandCashEquivalentsDetailsTable_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfCashAndCashEquivalentsLineItems" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfCashAndCashEquivalentsLineItems"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfCashAndCashEquivalentsLineItems_lbl" xml:lang="en-US">Schedule of Cash and Cash Equivalents [Line Items]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfCashAndCashEquivalentsLineItems" xlink:to="ppbt_ScheduleOfCashAndCashEquivalentsLineItems_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsDomain_lbl" xml:lang="en-US">Classes of financial instruments [domain]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsDomain_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_LeasesScheduleofCarryingAmountsofRighttoUseAssetsDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_LeasesScheduleofCarryingAmountsofRighttoUseAssetsDetailsTable"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_LeasesScheduleofCarryingAmountsofRighttoUseAssetsDetailsTable_lbl" xml:lang="en-US">Leases - Schedule of Carrying Amounts of Right-to-Use Assets (Details) [Table]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LeasesScheduleofCarryingAmountsofRighttoUseAssetsDetailsTable" xlink:to="ppbt_LeasesScheduleofCarryingAmountsofRighttoUseAssetsDetailsTable_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_lbl" xml:lang="en-US">Schedule of Carrying Amounts of Right-to-Use Assets [Line Items]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_MaturityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityDomain"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MaturityDomain_lbl" xml:lang="en-US">Maturity [domain]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MaturityDomain" xlink:to="ifrs-full_MaturityDomain_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_LeasesScheduleofMaturityAnalysisoftheCompanysLeaseLiabilitiesDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_LeasesScheduleofMaturityAnalysisoftheCompanysLeaseLiabilitiesDetailsTable"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_LeasesScheduleofMaturityAnalysisoftheCompanysLeaseLiabilitiesDetailsTable_lbl" xml:lang="en-US">Leases - Schedule of Maturity Analysis of the Company&apos;s Lease Liabilities (Details) [Table]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LeasesScheduleofMaturityAnalysisoftheCompanysLeaseLiabilitiesDetailsTable" xlink:to="ppbt_LeasesScheduleofMaturityAnalysisoftheCompanysLeaseLiabilitiesDetailsTable_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems_lbl" xml:lang="en-US">Schedule of Maturity Analysis of the Company&apos;s Lease Liabilities [Line Items]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems" xlink:to="ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ClassesOfPreferredSharesDomainDomain" xlink:href="ppbt-20251231.xsd#ppbt_ClassesOfPreferredSharesDomainDomain"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ClassesOfPreferredSharesDomainDomain_lbl" xml:lang="en-US">ClassesOfPreferredSharesDomain [Domain]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ClassesOfPreferredSharesDomainDomain" xlink:to="ppbt_ClassesOfPreferredSharesDomainDomain_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_EquityScheduleofShareCapitalDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_EquityScheduleofShareCapitalDetailsTable"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_EquityScheduleofShareCapitalDetailsTable_lbl" xml:lang="en-US">Equity - Schedule of Share Capital (Details) [Table]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EquityScheduleofShareCapitalDetailsTable" xlink:to="ppbt_EquityScheduleofShareCapitalDetailsTable_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_lbl" xml:lang="en-US">Schedule of Share Capital [Line Items]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_EquityScheduleofChangesinShareCapitalDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_EquityScheduleofChangesinShareCapitalDetailsTable"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_EquityScheduleofChangesinShareCapitalDetailsTable_lbl" xml:lang="en-US">Equity - Schedule of Changes in Share Capital (Details) [Table]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EquityScheduleofChangesinShareCapitalDetailsTable" xlink:to="ppbt_EquityScheduleofChangesinShareCapitalDetailsTable_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_lbl0" xml:lang="en-US">Schedule of Changes in Share Capital [Line items]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_lbl0"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_RangeDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeDomain"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RangeDomain_lbl" xml:lang="en-US">Range [domain]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RangeDomain" xlink:to="ifrs-full_RangeDomain_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ShareBasedPaymentArrangementsScheduleofAssumptionswereUsedDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_ShareBasedPaymentArrangementsScheduleofAssumptionswereUsedDetailsTable"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ShareBasedPaymentArrangementsScheduleofAssumptionswereUsedDetailsTable_lbl" xml:lang="en-US">Share-Based Payment Arrangements - Schedule of Assumptions were Used (Details) [Table]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShareBasedPaymentArrangementsScheduleofAssumptionswereUsedDetailsTable" xlink:to="ppbt_ShareBasedPaymentArrangementsScheduleofAssumptionswereUsedDetailsTable_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_lbl" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain_lbl" xml:lang="en-US">Attribution of expenses by nature to their function [domain]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:to="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain_lbl"/> 
    <loc xlink:type="locator" xlink:label="ppbt_ShareBasedPaymentArrangementsScheduleofExpensesRecognizedintheConsolidatedFinancialStatementsDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_ShareBasedPaymentArrangementsScheduleofExpensesRecognizedintheConsolidatedFinancialStatementsDetailsTable"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ShareBasedPaymentArrangementsScheduleofExpensesRecognizedintheConsolidatedFinancialStatementsDetailsTable_lbl" xml:lang="en-US">Share-Based Payment Arrangements - Schedule of Expenses Recognized in the Consolidated Financial Statements (Details) [Table]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShareBasedPaymentArrangementsScheduleofExpensesRecognizedintheConsolidatedFinancialStatementsDetailsTable" xlink:to="ppbt_ShareBasedPaymentArrangementsScheduleofExpensesRecognizedintheConsolidatedFinancialStatementsDetailsTable_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_lbl0" xml:lang="en-US">Schedule of Expenses Recognized in the Consolidated Financial Statements [Line Items]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_lbl0"/>     
    <loc xlink:type="locator" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xml:lang="en-US">Title and Position [Domain]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_TransactionsandBalanceswithRelatedPartiesScheduleofRecordedExpensesDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_TransactionsandBalanceswithRelatedPartiesScheduleofRecordedExpensesDetailsTable"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_TransactionsandBalanceswithRelatedPartiesScheduleofRecordedExpensesDetailsTable_lbl" xml:lang="en-US">Transactions and Balances with Related Parties - Schedule of Recorded Expenses (Details) [Table]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TransactionsandBalanceswithRelatedPartiesScheduleofRecordedExpensesDetailsTable" xlink:to="ppbt_TransactionsandBalanceswithRelatedPartiesScheduleofRecordedExpensesDetailsTable_lbl"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_lbl" xml:lang="en-US">Schedule of Recorded Expenses [Line Items]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_ResearchandDevelopmentExpensesScheduleofResearchandDevelopmentExpensesDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_ResearchandDevelopmentExpensesScheduleofResearchandDevelopmentExpensesDetailsTable"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ResearchandDevelopmentExpensesScheduleofResearchandDevelopmentExpensesDetailsTable_lbl" xml:lang="en-US">Research and Development Expenses - Schedule of Research and Development Expenses (Details) [Table]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ResearchandDevelopmentExpensesScheduleofResearchandDevelopmentExpensesDetailsTable" xlink:to="ppbt_ResearchandDevelopmentExpensesScheduleofResearchandDevelopmentExpensesDetailsTable_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfResearchAndDevelopmentExpensesLineItems" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfResearchAndDevelopmentExpensesLineItems"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfResearchAndDevelopmentExpensesLineItems_lbl" xml:lang="en-US">Schedule of Research and Development Expenses [Line Items]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfResearchAndDevelopmentExpensesLineItems" xlink:to="ppbt_ScheduleOfResearchAndDevelopmentExpensesLineItems_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_SalesGeneralandAdministrativeExpensesScheduleofSalesGeneralandAdministrativeExpensesDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_SalesGeneralandAdministrativeExpensesScheduleofSalesGeneralandAdministrativeExpensesDetailsTable"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_SalesGeneralandAdministrativeExpensesScheduleofSalesGeneralandAdministrativeExpensesDetailsTable_lbl" xml:lang="en-US">Sales, General and Administrative Expenses - Schedule of Sales, General and Administrative Expenses (Details) [Table]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SalesGeneralandAdministrativeExpensesScheduleofSalesGeneralandAdministrativeExpensesDetailsTable" xlink:to="ppbt_SalesGeneralandAdministrativeExpensesScheduleofSalesGeneralandAdministrativeExpensesDetailsTable_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfSalesGeneralAndAdministrativeExpensesLineItems" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfSalesGeneralAndAdministrativeExpensesLineItems"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfSalesGeneralAndAdministrativeExpensesLineItems_lbl" xml:lang="en-US">Schedule of Sales, General and Administrative Expenses [Line Items]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfSalesGeneralAndAdministrativeExpensesLineItems" xlink:to="ppbt_ScheduleOfSalesGeneralAndAdministrativeExpensesLineItems_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasDomain"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GeographicalAreasDomain_lbl" xml:lang="en-US">Geographical areas [domain]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GeographicalAreasDomain" xlink:to="ifrs-full_GeographicalAreasDomain_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain_lbl" xml:lang="en-US">Continuing involvement in derecognised financial assets by type of instrument [domain]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain" xlink:to="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_FinancialInstrumentsScheduleofSensitivityTesttoPossibleChangesinExchangeRateDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_FinancialInstrumentsScheduleofSensitivityTesttoPossibleChangesinExchangeRateDetailsTable"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinancialInstrumentsScheduleofSensitivityTesttoPossibleChangesinExchangeRateDetailsTable_lbl" xml:lang="en-US">Financial Instruments - Schedule of Sensitivity Test to Possible Changes in Exchange Rate (Details) [Table]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialInstrumentsScheduleofSensitivityTesttoPossibleChangesinExchangeRateDetailsTable" xlink:to="ppbt_FinancialInstrumentsScheduleofSensitivityTesttoPossibleChangesinExchangeRateDetailsTable_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsLineItems"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems_lbl" xml:lang="en-US">Schedule of Sensitivity Test to Possible Changes in Exchange Rate [Line Items]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsLineItems_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain_lbl" xml:lang="en-US">Levels of fair value hierarchy [domain]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_LevelsOfFairValueHierarchyDomain_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_FinancialInstrumentsScheduleofFinancialInstrumentsMeasuredatFairValueDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_FinancialInstrumentsScheduleofFinancialInstrumentsMeasuredatFairValueDetailsTable"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinancialInstrumentsScheduleofFinancialInstrumentsMeasuredatFairValueDetailsTable_lbl" xml:lang="en-US">Financial Instruments - Schedule of Financial Instruments Measured at Fair Value (Details) [Table]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialInstrumentsScheduleofFinancialInstrumentsMeasuredatFairValueDetailsTable" xlink:to="ppbt_FinancialInstrumentsScheduleofFinancialInstrumentsMeasuredatFairValueDetailsTable_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems_lbl0" xml:lang="en-US">Financial Instruments [Line Items]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsLineItems_lbl0"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsDomain"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfAssetsDomain_lbl" xml:lang="en-US">Classes of assets [domain]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfAssetsDomain" xlink:to="ifrs-full_ClassesOfAssetsDomain_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_FinancialInstrumentsScheduleofDetailsRegardingFairValueMeasurementDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_FinancialInstrumentsScheduleofDetailsRegardingFairValueMeasurementDetailsTable"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinancialInstrumentsScheduleofDetailsRegardingFairValueMeasurementDetailsTable_lbl" xml:lang="en-US">Financial Instruments - Schedule of Details Regarding Fair Value Measurement (Details) [Table]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialInstrumentsScheduleofDetailsRegardingFairValueMeasurementDetailsTable" xlink:to="ppbt_FinancialInstrumentsScheduleofDetailsRegardingFairValueMeasurementDetailsTable_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_FinancialInstrumentsScheduleofFairValueMeasurementDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_FinancialInstrumentsScheduleofFairValueMeasurementDetailsTable"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinancialInstrumentsScheduleofFairValueMeasurementDetailsTable_lbl" xml:lang="en-US">Financial Instruments - Schedule of Fair Value Measurement (Details) [Table]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialInstrumentsScheduleofFairValueMeasurementDetailsTable" xlink:to="ppbt_FinancialInstrumentsScheduleofFairValueMeasurementDetailsTable_lbl"/>     
    <loc xlink:type="locator" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceTable"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable_lbl" xml:lang="en-US">Cybersecurity Risk Management, Strategy, and Governance [Table]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable" xlink:to="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable_lbl"/>     
    <loc xlink:type="locator" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems_lbl" xml:lang="en-US">Cybersecurity Risk Management, Strategy, and Governance [Line Items]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems" xlink:to="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfShareCapitalDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfShareCapitalDomain_lbl" xml:lang="en-US">Classes of share capital [domain]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfShareCapitalDomain" xlink:to="ifrs-full_ClassesOfShareCapitalDomain_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodDomain"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_lbl" xml:lang="en-US">Non-adjusting events after reporting period [domain]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_GeneralDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_GeneralDetailsTable"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_GeneralDetailsTable_lbl" xml:lang="en-US">General (Details) [Table]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_GeneralDetailsTable" xlink:to="ppbt_GeneralDetailsTable_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_GeneralLineItems" xlink:href="ppbt-20251231.xsd#ppbt_GeneralLineItems"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_GeneralLineItems_lbl" xml:lang="en-US">General [Line Items]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_GeneralLineItems" xlink:to="ppbt_GeneralLineItems_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_IntangibleAssetsDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_IntangibleAssetsDetailsTable"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IntangibleAssetsDetailsTable_lbl" xml:lang="en-US">Intangible Assets (Details) [Table]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IntangibleAssetsDetailsTable" xlink:to="ppbt_IntangibleAssetsDetailsTable_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_IntangibleAssetsLineItems" xlink:href="ppbt-20251231.xsd#ppbt_IntangibleAssetsLineItems"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IntangibleAssetsLineItems_lbl" xml:lang="en-US">Intangible Assets [Line Items]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IntangibleAssetsLineItems" xlink:to="ppbt_IntangibleAssetsLineItems_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesDomain"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfRelatedPartiesDomain_lbl" xml:lang="en-US">Categories of related parties [domain]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:to="ifrs-full_CategoriesOfRelatedPartiesDomain_lbl"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_lbl" xml:lang="en-US">Liabilities arising from financing activities [domain]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:to="ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_LeasesDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_LeasesDetailsTable"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_LeasesDetailsTable_lbl" xml:lang="en-US">Leases (Details) [Table]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LeasesDetailsTable" xlink:to="ppbt_LeasesDetailsTable_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_LeasesLineItems" xlink:href="ppbt-20251231.xsd#ppbt_LeasesLineItems"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_LeasesLineItems_lbl" xml:lang="en-US">Leases [Line Items]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LeasesLineItems" xlink:to="ppbt_LeasesLineItems_lbl"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_TypesOfAntidilutiveInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfAntidilutiveInstrumentsDomain"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfAntidilutiveInstrumentsDomain_lbl" xml:lang="en-US">Types of antidilutive instruments [domain]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfAntidilutiveInstrumentsDomain" xlink:to="ifrs-full_TypesOfAntidilutiveInstrumentsDomain_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfOrdinarySharesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOrdinarySharesDomain"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfOrdinarySharesDomain_lbl" xml:lang="en-US">Classes of ordinary shares [domain]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfOrdinarySharesDomain" xlink:to="ifrs-full_ClassesOfOrdinarySharesDomain_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_EquityDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_EquityDetailsTable"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_EquityDetailsTable_lbl" xml:lang="en-US">Equity (Details) [Table]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EquityDetailsTable" xlink:to="ppbt_EquityDetailsTable_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReservesWithinEquityLineItems"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReservesWithinEquityLineItems_lbl" xml:lang="en-US">Equity [Line Items]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReservesWithinEquityLineItems" xlink:to="ifrs-full_DisclosureOfReservesWithinEquityLineItems_lbl"/>   
    <loc xlink:type="locator" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsDomain"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_lbl" xml:lang="en-US">Types of share-based payment arrangements [domain]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_ShareBasedPaymentArrangementsDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_ShareBasedPaymentArrangementsDetailsTable"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ShareBasedPaymentArrangementsDetailsTable_lbl" xml:lang="en-US">Share-Based Payment Arrangements (Details) [Table]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShareBasedPaymentArrangementsDetailsTable" xlink:to="ppbt_ShareBasedPaymentArrangementsDetailsTable_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_lbl1" xml:lang="en-US">Share-Based Payment Arrangements [Line Items]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_lbl1"/>     
    <loc xlink:type="locator" xlink:label="srt_ProductsAndServicesDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ProductsAndServicesDomain_lbl" xml:lang="en-US">Product and Service [Domain]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductsAndServicesDomain" xlink:to="srt_ProductsAndServicesDomain_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_RangesDomainDomain" xlink:href="ppbt-20251231.xsd#ppbt_RangesDomainDomain"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_RangesDomainDomain_lbl" xml:lang="en-US">RangesDomain [Domain]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_RangesDomainDomain" xlink:to="ppbt_RangesDomainDomain_lbl"/>  
    <loc xlink:type="locator" xlink:label="ppbt_CommitmentsandContingentLiabilitiesDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_CommitmentsandContingentLiabilitiesDetailsTable"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_CommitmentsandContingentLiabilitiesDetailsTable_lbl" xml:lang="en-US">Commitments and Contingent Liabilities (Details) [Table]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CommitmentsandContingentLiabilitiesDetailsTable" xlink:to="ppbt_CommitmentsandContingentLiabilitiesDetailsTable_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_CommitmentsAndContingentLiabilitiesLineItems" xlink:href="ppbt-20251231.xsd#ppbt_CommitmentsAndContingentLiabilitiesLineItems"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_CommitmentsAndContingentLiabilitiesLineItems_lbl" xml:lang="en-US">Commitments and Contingent Liabilities [Line Items]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CommitmentsAndContingentLiabilitiesLineItems" xlink:to="ppbt_CommitmentsAndContingentLiabilitiesLineItems_lbl"/>    
    <loc xlink:type="locator" xlink:label="ppbt_FinancialInstrumentsDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_FinancialInstrumentsDetailsTable"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinancialInstrumentsDetailsTable_lbl" xml:lang="en-US">Financial Instruments (Details) [Table]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialInstrumentsDetailsTable" xlink:to="ppbt_FinancialInstrumentsDetailsTable_lbl"/>     
    <loc xlink:type="locator" xlink:label="ppbt_SubsequentEventsDetailsTable" xlink:href="ppbt-20251231.xsd#ppbt_SubsequentEventsDetailsTable"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_SubsequentEventsDetailsTable_lbl" xml:lang="en-US">Subsequent Events (Details) [Table]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SubsequentEventsDetailsTable" xlink:to="ppbt_SubsequentEventsDetailsTable_lbl"/>  
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_lbl" xml:lang="en-US">Subsequent Events [Line Items]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:to="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_AcquisitionOfSubsidiaryNetOfCashAcquired_lbl0" xml:lang="en-US">Amount of acquisition of subsidiary, net of cash acquired.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AcquisitionOfSubsidiaryNetOfCashAcquired" xlink:to="ppbt_AcquisitionOfSubsidiaryNetOfCashAcquired_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_AdjustmentsForChangesInAssetsAndLiabilities_lbl0" xml:lang="en-US">Adjustments for changes in assets and liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AdjustmentsForChangesInAssetsAndLiabilities" xlink:to="ppbt_AdjustmentsForChangesInAssetsAndLiabilities_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_AggregateGrossProceeds_lbl0" xml:lang="en-US">The amount of aggregate gross proceeds.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AggregateGrossProceeds" xlink:to="ppbt_AggregateGrossProceeds_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_AggregateShareholdersOfImmunorizon_lbl0" xml:lang="en-US">The aggregate shareholders of immunorizon.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AggregateShareholdersOfImmunorizon" xlink:to="ppbt_AggregateShareholdersOfImmunorizon_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_AggregateUpfrontPayment_lbl0" xml:lang="en-US">The amount of Aggregate upfront payment.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AggregateUpfrontPayment" xlink:to="ppbt_AggregateUpfrontPayment_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_AggregateWarrantsShares_lbl0" xml:lang="en-US">Aggregate warrants shares.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AggregateWarrantsShares" xlink:to="ppbt_AggregateWarrantsShares_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_AgreementLeaseAdditionalTerm_lbl0" xml:lang="en-US">Agreement Lease Additional Term.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AgreementLeaseAdditionalTerm" xlink:to="ppbt_AgreementLeaseAdditionalTerm_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_AgreementLeaseTerm_lbl0" xml:lang="en-US">Agreement Lease Term.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AgreementLeaseTerm" xlink:to="ppbt_AgreementLeaseTerm_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_AmericanDepositorySharesOrdinaryShares_lbl1" xml:lang="en-US">American depository shares ordinary shares.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AmericanDepositorySharesOrdinaryShares" xlink:to="ppbt_AmericanDepositorySharesOrdinaryShares_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_AmericanDepostioryShares_lbl0" xml:lang="en-US">American depository shares.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AmericanDepostioryShares" xlink:to="ppbt_AmericanDepostioryShares_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_CapitalReserveFromTransactionsWithNon-ControllingInterest_lbl0" xml:lang="en-US">Capital reserve from transactions with non- controlling interest.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CapitalReserveFromTransactionsWithNon-ControllingInterest" xlink:to="ppbt_CapitalReserveFromTransactionsWithNon-ControllingInterest_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_CommonStockNoParValues_lbl0" xml:lang="en-US">Common stock no par value.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CommonStockNoParValues" xlink:to="ppbt_CommonStockNoParValues_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ConsultantPerShares_lbl0" xml:lang="en-US">Represent the consultant per shares.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ConsultantPerShares" xlink:to="ppbt_ConsultantPerShares_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ConvertibleShares_lbl0" xml:lang="en-US">Convertible shares.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ConvertibleShares" xlink:to="ppbt_ConvertibleShares_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ConvertibleWarrants_lbl0" xml:lang="en-US">Convertible warrants.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ConvertibleWarrants" xlink:to="ppbt_ConvertibleWarrants_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_CurrentAsset_lbl0" xml:lang="en-US">The value of Current assets.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CurrentAsset" xlink:to="ppbt_CurrentAsset_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_CurrentLiabilitie_lbl0" xml:lang="en-US">Represent the current liabilities.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CurrentLiabilitie" xlink:to="ppbt_CurrentLiabilitie_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DepositaryShares_lbl0" xml:lang="en-US">Depositary shares.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DepositaryShares" xlink:to="ppbt_DepositaryShares_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DepositarysShares_lbl0" xml:lang="en-US">Depositary shares.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DepositarysShares" xlink:to="ppbt_DepositarysShares_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock_lbl0" xml:lang="en-US">The description of the entity&apos;s accounting policy for basis of consolidation.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock" xlink:to="ppbt_DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DescriptionOfOptionLifeShareOptionGranted_lbl0" xml:lang="en-US">Expected term.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DescriptionOfOptionLifeShareOptionGranted" xlink:to="ppbt_DescriptionOfOptionLifeShareOptionGranted_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DisclosureOfDetailedInformationAboutCashAndCashEquivalentExplanatoryTableTextBlock_lbl0" xml:lang="en-US">The disclosure of detailed information about cash and cash equivalents.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutCashAndCashEquivalentExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutCashAndCashEquivalentExplanatoryTableTextBlock_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DisclosureOfDetailedInformationAboutChangesInShareCapitalExplanatoryTableTextBlock_lbl0" xml:lang="en-US">Disclosure Of Detailed Information About Changes In Share Capital Explanatory Table Text Block.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutChangesInShareCapitalExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutChangesInShareCapitalExplanatoryTableTextBlock_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DisclosureOfDetailedInformationAboutDefinedContributionPlanExplanatoryTableTextBlock_lbl0" xml:lang="en-US">The disclosure of detailed information about defined contribution plan.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutDefinedContributionPlanExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutDefinedContributionPlanExplanatoryTableTextBlock_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DisclosureOfDetailedInformationAboutEmployeeBenefitsExplanatoryTableTextBlock_lbl0" xml:lang="en-US">The disclosure of detailed information about employee benefits.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutEmployeeBenefitsExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutEmployeeBenefitsExplanatoryTableTextBlock_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock_lbl0" xml:lang="en-US">DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DisclosureOfDetailedInformationAboutRestrictedStockUnitTableTextBlock_lbl0" xml:lang="en-US">The disclosure of detailed information about restricted stock unit.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutRestrictedStockUnitTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutRestrictedStockUnitTableTextBlock_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatoryTableTextBlock_lbl0" xml:lang="en-US">The disclosure of detailed information about of trade and other payables.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatoryTableTextBlock_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DisclosureOfOtherCurrentAssettextBlock_lbl0" xml:lang="en-US">The disclosure of other current assets.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfOtherCurrentAssettextBlock" xlink:to="ppbt_DisclosureOfOtherCurrentAssettextBlock_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DisclosureOfResearchAndDevelopmentExpensesTableTextBlock_lbl0" xml:lang="en-US">No definition available.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfResearchAndDevelopmentExpensesTableTextBlock" xlink:to="ppbt_DisclosureOfResearchAndDevelopmentExpensesTableTextBlock_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_DisclosuresOfDetailedInformationAboutGeneralAndAdministrativeExpensesExplanatoryTableTextBlock_lbl0" xml:lang="en-US">Disclosures of general and administrative expenses explanatory.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosuresOfDetailedInformationAboutGeneralAndAdministrativeExpensesExplanatoryTableTextBlock" xlink:to="ppbt_DisclosuresOfDetailedInformationAboutGeneralAndAdministrativeExpensesExplanatoryTableTextBlock_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_EffectiveTaxRate_lbl0" xml:lang="en-US">Effective tax rate.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EffectiveTaxRate" xlink:to="ppbt_EffectiveTaxRate_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_EmployeeBenefitBonus_lbl0" xml:lang="en-US">Employee benefit bonus.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EmployeeBenefitBonus" xlink:to="ppbt_EmployeeBenefitBonus_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_EmployeeBenefitsLiabilityDueGrants_lbl0" xml:lang="en-US">Employee benefits liability due grants.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EmployeeBenefitsLiabilityDueGrants" xlink:to="ppbt_EmployeeBenefitsLiabilityDueGrants_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_EquityMethodInvestmentsOwnershipPercentage_lbl0" xml:lang="en-US">Direct ownership of equity.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EquityMethodInvestmentsOwnershipPercentage" xlink:to="ppbt_EquityMethodInvestmentsOwnershipPercentage_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ExerciseOfWarrantsEquity_lbl0" xml:lang="en-US">Represent the exercise of warrants equity.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ExerciseOfWarrantsEquity" xlink:to="ppbt_ExerciseOfWarrantsEquity_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ExercisePeriod_lbl0" xml:lang="en-US">It represents exercise period.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ExercisePeriod" xlink:to="ppbt_ExercisePeriod_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ExpectedDividendAsPercentageShareOptionsdividendYield_lbl0" xml:lang="en-US">Percentage of dividend yield</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ExpectedDividendAsPercentageShareOptionsdividendYield" xlink:to="ppbt_ExpectedDividendAsPercentageShareOptionsdividendYield_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_FairValueMeasurementBalance_lbl1" xml:lang="en-US">Fair value measurement balance.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementBalance" xlink:to="ppbt_FairValueMeasurementBalance_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_FairValueMeasurementExercise_lbl0" xml:lang="en-US">Represent the fair value of exercise.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementExercise" xlink:to="ppbt_FairValueMeasurementExercise_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_FairValueMeasurementIssuance_lbl0" xml:lang="en-US">Fair value measurement issuance.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementIssuance" xlink:to="ppbt_FairValueMeasurementIssuance_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_FairValueMeasurementIssuanceProceed_lbl0" xml:lang="en-US">Fair value measurement proceed.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementIssuanceProceed" xlink:to="ppbt_FairValueMeasurementIssuanceProceed_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_FairValueMeasurementRevaluation_lbl0" xml:lang="en-US">Fair value measurement revaluation.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementRevaluation" xlink:to="ppbt_FairValueMeasurementRevaluation_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_FunctionalCurrency_lbl0" xml:lang="en-US">The amount of functional currency.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FunctionalCurrency" xlink:to="ppbt_FunctionalCurrency_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_FundsRaisedAmount_lbl0" xml:lang="en-US">Funds raised amount.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FundsRaisedAmount" xlink:to="ppbt_FundsRaisedAmount_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_FundsRaisedshares_lbl0" xml:lang="en-US">Funds raised amount.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FundsRaisedshares" xlink:to="ppbt_FundsRaisedshares_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_GainLossOnWarrants_lbl0" xml:lang="en-US">The amount of gain loss warrants.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_GainLossOnWarrants" xlink:to="ppbt_GainLossOnWarrants_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_GeneralAndAdministrativeExpensesOther_lbl0" xml:lang="en-US">The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the &apos;function of expense&apos; form for its analysis of expenses.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_GeneralAndAdministrativeExpensesOther" xlink:to="ppbt_GeneralAndAdministrativeExpensesOther_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_GovernmentAuthorities_lbl0" xml:lang="en-US">Government authorities.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_GovernmentAuthorities" xlink:to="ppbt_GovernmentAuthorities_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_IncomelossFromChangeInExchangeRateDown_lbl0" xml:lang="en-US">Amount of income (loss) from change in exchange rate.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IncomelossFromChangeInExchangeRateDown" xlink:to="ppbt_IncomelossFromChangeInExchangeRateDown_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_IncomelossFromChangeInExchangeRateUp_lbl0" xml:lang="en-US">Amount of income (loss) from change in exchange rate.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IncomelossFromChangeInExchangeRateUp" xlink:to="ppbt_IncomelossFromChangeInExchangeRateUp_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_IncomelossValue_lbl0" xml:lang="en-US">Income loss value.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IncomelossValue" xlink:to="ppbt_IncomelossValue_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_IntangibleAssetsRecoverableAmountPercentage_lbl0" xml:lang="en-US">Intangible assets recoverable amount percentage.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IntangibleAssetsRecoverableAmountPercentage" xlink:to="ppbt_IntangibleAssetsRecoverableAmountPercentage_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_IssuanceExpenses_lbl0" xml:lang="en-US">The amount of issuance expenses.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IssuanceExpenses" xlink:to="ppbt_IssuanceExpenses_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_IssuesOfEquity_lbl0" xml:lang="en-US">Issue of equity.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IssuesOfEquity" xlink:to="ppbt_IssuesOfEquity_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_LongTermMilestonesAggregateAmount_lbl0" xml:lang="en-US">The amount of long term Milestones aggregate amount.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LongTermMilestonesAggregateAmount" xlink:to="ppbt_LongTermMilestonesAggregateAmount_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_NetAssetsAttributableToNonControllingInterest_lbl0" xml:lang="en-US">The value of Mount of net assets attributable to non-controlling interest.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NetAssetsAttributableToNonControllingInterest" xlink:to="ppbt_NetAssetsAttributableToNonControllingInterest_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_NetAssetsAttributableToNoncontrollingInterests_lbl0" xml:lang="en-US">The amount of net assets attributable to non-controlling interests.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NetAssetsAttributableToNoncontrollingInterests" xlink:to="ppbt_NetAssetsAttributableToNoncontrollingInterests_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_NetPlacementAgentFees_lbl0" xml:lang="en-US">The amount of net placement agent fees.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NetPlacementAgentFees" xlink:to="ppbt_NetPlacementAgentFees_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_NonVotingSeniorPreferredShares_lbl0" xml:lang="en-US">Non-voting senior preferred shares.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NonVotingSeniorPreferredShares" xlink:to="ppbt_NonVotingSeniorPreferredShares_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_NumberOfExerciseOfWarrants_lbl0" xml:lang="en-US">Exercise of warrants.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfExerciseOfWarrants" xlink:to="ppbt_NumberOfExerciseOfWarrants_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_NumberOfIssuanceShares_lbl0" xml:lang="en-US">The number of issuance shares.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfIssuanceShares" xlink:to="ppbt_NumberOfIssuanceShares_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_NumberOfNonTradableWarrants_lbl0" xml:lang="en-US">Number Of Non Tradable Warrants.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfNonTradableWarrants" xlink:to="ppbt_NumberOfNonTradableWarrants_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_NumberOfVestingOfRsus_lbl0" xml:lang="en-US">Number of vesting of RSU.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfVestingOfRsus" xlink:to="ppbt_NumberOfVestingOfRsus_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_OfferingPricePerShare_lbl0" xml:lang="en-US">Price of offering price per share.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OfferingPricePerShare" xlink:to="ppbt_OfferingPricePerShare_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_OptionExerciseOrdinaryShare_lbl0" xml:lang="en-US">Option exercise ordinary share.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OptionExerciseOrdinaryShare" xlink:to="ppbt_OptionExerciseOrdinaryShare_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_OtherExpense_lbl0" xml:lang="en-US">Other.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OtherExpense" xlink:to="ppbt_OtherExpense_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_OtherfinancialCost_lbl0" xml:lang="en-US">Other.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OtherfinancialCost" xlink:to="ppbt_OtherfinancialCost_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_PercentageOfCapacityOfAnAdvisor_lbl0" xml:lang="en-US">Percentage of capacity of an advisor.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfCapacityOfAnAdvisor" xlink:to="ppbt_PercentageOfCapacityOfAnAdvisor_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_PercentageOfContractToAcquire_lbl0" xml:lang="en-US">Contract to acquire, percentage.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfContractToAcquire" xlink:to="ppbt_PercentageOfContractToAcquire_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_PercentageOfExchangeRate_lbl0" xml:lang="en-US">Percentage of exchange rate.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfExchangeRate" xlink:to="ppbt_PercentageOfExchangeRate_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_PercentageOfReceiveExitFee_lbl0" xml:lang="en-US">Percentage of receive exit fee.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfReceiveExitFee" xlink:to="ppbt_PercentageOfReceiveExitFee_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_PercentageOfSublicenseConsideration_lbl0" xml:lang="en-US">Percentage of sublicense consideration.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfSublicenseConsideration" xlink:to="ppbt_PercentageOfSublicenseConsideration_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_PreFundExercisePriceWarrants_lbl0" xml:lang="en-US">The price of pre fund warrants.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreFundExercisePriceWarrants" xlink:to="ppbt_PreFundExercisePriceWarrants_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_PreFundedWarant_lbl0" xml:lang="en-US">Price of pre funded warrant.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreFundedWarant" xlink:to="ppbt_PreFundedWarant_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_PrivateAndPublicFinancingTotal_lbl0" xml:lang="en-US">Represent the amount of private and public financing value.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PrivateAndPublicFinancingTotal" xlink:to="ppbt_PrivateAndPublicFinancingTotal_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_PurchaseOfCommonStockAndWarrants_lbl0" xml:lang="en-US">The company granted representative of the non traded warrants to purchase of common stock.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PurchaseOfCommonStockAndWarrants" xlink:to="ppbt_PurchaseOfCommonStockAndWarrants_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ReceiptsOnAccountsOfWarrant_lbl0" xml:lang="en-US">The amount of receipts on account of warrants.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ReceiptsOnAccountsOfWarrant" xlink:to="ppbt_ReceiptsOnAccountsOfWarrant_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ReimbursementOfLegalFeesExpense_lbl0" xml:lang="en-US">Reimbursement of legal fees.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ReimbursementOfLegalFeesExpense" xlink:to="ppbt_ReimbursementOfLegalFeesExpense_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_RetainedEarning_lbl0" xml:lang="en-US">Amount of retained earning.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_RetainedEarning" xlink:to="ppbt_RetainedEarning_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ReverseRatio_lbl0" xml:lang="en-US">Reverse Ratio.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ReverseRatio" xlink:to="ppbt_ReverseRatio_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_SalaryRelatedOtherPayablesCurrent_lbl0" xml:lang="en-US">The amount of current salary related payables.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SalaryRelatedOtherPayablesCurrent" xlink:to="ppbt_SalaryRelatedOtherPayablesCurrent_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_SalesAgreementShares_lbl0" xml:lang="en-US">Sales agreement shares.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SalesAgreementShares" xlink:to="ppbt_SalesAgreementShares_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementTableTextBlock_lbl0" xml:lang="en-US">The entire disclosure for the fair value measurement.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementTableTextBlock" xlink:to="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementTableTextBlock_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ShortTermDepositsGuaranteedForHedgingTransactions_lbl0" xml:lang="en-US">Amount of short term deposits guaranteed for hedging transactions.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShortTermDepositsGuaranteedForHedgingTransactions" xlink:to="ppbt_ShortTermDepositsGuaranteedForHedgingTransactions_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_ShortTermDepositsGuaranteedForLeasesAndCredit_lbl0" xml:lang="en-US">Amount of short term deposits guaranteed for leases and credit.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShortTermDepositsGuaranteedForLeasesAndCredit" xlink:to="ppbt_ShortTermDepositsGuaranteedForLeasesAndCredit_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_StatutoryTaxRate_lbl0" xml:lang="en-US">Statutory tax rate.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_StatutoryTaxRate" xlink:to="ppbt_StatutoryTaxRate_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_StockholdersEquityReversesStockSplit_lbl0" xml:lang="en-US">Stockholders equity reverse stock split.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_StockholdersEquityReversesStockSplit" xlink:to="ppbt_StockholdersEquityReversesStockSplit_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_TerminationExercisePrice_lbl0" xml:lang="en-US">The exercise price of share options terminated.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TerminationExercisePrice" xlink:to="ppbt_TerminationExercisePrice_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_TotalAcquisitionAmount_lbl0" xml:lang="en-US">Amount of total acquisition .</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TotalAcquisitionAmount" xlink:to="ppbt_TotalAcquisitionAmount_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_UnrecognizedResearchAndDevelopmentExpenses_lbl0" xml:lang="en-US">The amount of unrecognized research and development expenses.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_UnrecognizedResearchAndDevelopmentExpenses" xlink:to="ppbt_UnrecognizedResearchAndDevelopmentExpenses_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_VestingPeriod_lbl0" xml:lang="en-US">It represents vesting period.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_VestingPeriod" xlink:to="ppbt_VestingPeriod_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_WarrantExercisableExpirePeriod_lbl0" xml:lang="en-US">Warrant exercisable expire period.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantExercisableExpirePeriod" xlink:to="ppbt_WarrantExercisableExpirePeriod_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_WarrantExercisePricePerShare_lbl0" xml:lang="en-US">Exercise price per share.</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantExercisePricePerShare" xlink:to="ppbt_WarrantExercisePricePerShare_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_WarrantTermDescription_lbl0" xml:lang="en-US">Description of warrant term.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantTermDescription" xlink:to="ppbt_WarrantTermDescription_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_WarrantsExercisableTerm_lbl0" xml:lang="en-US">Warrants exercisable term.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsExercisableTerm" xlink:to="ppbt_WarrantsExercisableTerm_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_WarrantsExercised_lbl0" xml:lang="en-US">Number of warrants exercised.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsExercised" xlink:to="ppbt_WarrantsExercised_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_WarrantsIssuanceExpensesPaid_lbl0" xml:lang="en-US">The cash outflow for warrants issuance expenses paid, classified as financing activities.</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsIssuanceExpensesPaid" xlink:to="ppbt_WarrantsIssuanceExpensesPaid_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_WarrantsIssued_lbl1" xml:lang="en-US">Number of warrants issued.</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsIssued" xlink:to="ppbt_WarrantsIssued_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_WarrantsTerm_lbl0" xml:lang="en-US">Period of time between issuance and maturity of warrants, in PnYnMnDTnHnMnS&apos; format, for example, &apos;P1Y5M13D&apos; represents the reported fact of one year, five months, and thirteen days.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsTerm" xlink:to="ppbt_WarrantsTerm_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_noncontrollingInterests_lbl0" xml:lang="en-US">Non-controlling interests.</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_noncontrollingInterests" xlink:to="ppbt_noncontrollingInterests_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppbt_CapitalReserveFromTransactionsWithNonControllingInterestMember_lbl0" xml:lang="en-US">Capital reserve from transactions with Non-controlling interest.</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CapitalReserveFromTransactionsWithNonControllingInterestMember" xlink:to="ppbt_CapitalReserveFromTransactionsWithNonControllingInterestMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SharePremium_lbl0" xml:lang="en-US">Share premium</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SharePremium" xlink:to="ifrs-full_SharePremium_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock_lbl0" xml:lang="en-US">Cybersecurity Risk Role of Management [Text Block]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskRoleOfManagementTextBlock" xlink:to="cyd_CybersecurityRiskRoleOfManagementTextBlock_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_lbl0" xml:lang="en-US">Disclosure of share capital, reserves and other equity interest [text block]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:to="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_WarrantsTerm_lbl1" xml:lang="en-US">Warrants Term</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsTerm" xlink:to="ppbt_WarrantsTerm_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_OtherfinancialCost_lbl1" xml:lang="en-US">Otherfinancial Cost</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OtherfinancialCost" xlink:to="ppbt_OtherfinancialCost_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IntangibleAssetsTablesLineItems_lbl0" xml:lang="en-US">Intangible Assets Tables Line Items</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IntangibleAssetsTablesLineItems" xlink:to="ppbt_IntangibleAssetsTablesLineItems_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BasicEarningsLossPerShare_lbl0" xml:lang="en-US">Basic earnings (loss) per share</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BasicEarningsLossPerShare" xlink:to="ifrs-full_BasicEarningsLossPerShare_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DisclosuresOfDetailedInformationAboutGeneralAndAdministrativeExpensesExplanatoryTableTextBlock_lbl1" xml:lang="en-US">Disclosures Of Detailed Information About General And Administrative Expenses Explanatory Table Text Block</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosuresOfDetailedInformationAboutGeneralAndAdministrativeExpensesExplanatoryTableTextBlock" xlink:to="ppbt_DisclosuresOfDetailedInformationAboutGeneralAndAdministrativeExpensesExplanatoryTableTextBlock_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_CommonStockNoParValues_lbl1" xml:lang="en-US">Common Stock No Par Values</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CommonStockNoParValues" xlink:to="ppbt_CommonStockNoParValues_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestIncomeOnDeposits_lbl0" xml:lang="en-US">Interest income on deposits</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestIncomeOnDeposits" xlink:to="ifrs-full_InterestIncomeOnDeposits_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PercentageOfCapacityOfAnAdvisor_lbl1" xml:lang="en-US">Percentage Of Capacity Of An Advisor</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfCapacityOfAnAdvisor" xlink:to="ppbt_PercentageOfCapacityOfAnAdvisor_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AssetsAbstract_lbl0" xml:lang="en-US">Assets [abstract]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsAbstract" xlink:to="ifrs-full_AssetsAbstract_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncome_lbl0" xml:lang="en-US">Comprehensive income</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ComprehensiveIncome_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AccountPayablesMember_lbl0" xml:lang="en-US">Account Payables Member</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AccountPayablesMember" xlink:to="ppbt_AccountPayablesMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpenseOnLeaseLiabilities_lbl0" xml:lang="en-US">Interest expense on lease liabilities, financing</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:to="ifrs-full_InterestExpenseOnLeaseLiabilities_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_lbl0" xml:lang="en-US">Weighted average exercise price of share options exercised in share-based payment arrangement</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarningsMember_lbl0" xml:lang="en-US">Retained earnings [member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarningsMember" xlink:to="ifrs-full_RetainedEarningsMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherFinanceIncome_lbl0" xml:lang="en-US">Other finance income</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinanceIncome" xlink:to="ifrs-full_OtherFinanceIncome_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAssets_lbl0" xml:lang="en-US">Current assets</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentAssets_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_OptionExerciseOrdinaryShare_lbl1" xml:lang="en-US">Option Exercise Ordinary Share</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OptionExerciseOrdinaryShare" xlink:to="ppbt_OptionExerciseOrdinaryShare_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl1" xml:lang="en-US">Number of other equity instruments outstanding in share-based payment arrangement</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReserveOfSharebasedPayments_lbl0" xml:lang="en-US">Reserve of share-based payments</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfSharebasedPayments" xlink:to="ifrs-full_ReserveOfSharebasedPayments_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DisclosureOfDetailedInformationAboutDefinedContributionPlanExplanatoryTableTextBlock_lbl1" xml:lang="en-US">Disclosure Of Detailed Information About Defined Contribution Plan Explanatory Table Text Block</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutDefinedContributionPlanExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutDefinedContributionPlanExplanatoryTableTextBlock_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FeeAndCommissionExpense_lbl0" xml:lang="en-US">Fee and commission expense, operating</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FeeAndCommissionExpense" xlink:to="ifrs-full_FeeAndCommissionExpense_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges_lbl0" xml:lang="en-US">Other comprehensive income, before tax, cash flow hedges</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xlink:to="ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIncomeTaxExplanatory_lbl0" xml:lang="en-US">Disclosure of income tax [text block]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:to="ifrs-full_DisclosureOfIncomeTaxExplanatory_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AccrualsClassifiedAsCurrent_lbl0" xml:lang="en-US">Accruals classified as current</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AccrualsClassifiedAsCurrent" xlink:to="ifrs-full_AccrualsClassifiedAsCurrent_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PreferredClassCMember_lbl0" xml:lang="en-US">Preferred Class CMember</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreferredClassCMember" xlink:to="ppbt_PreferredClassCMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_OtherExpense_lbl1" xml:lang="en-US">Other Expense</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OtherExpense" xlink:to="ppbt_OtherExpense_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IPRDRelatedToImmunorizonSee5CBelowMember_lbl0" xml:lang="en-US">IPRDRelated To Immunorizon See5 CBelow Member</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IPRDRelatedToImmunorizonSee5CBelowMember" xlink:to="ppbt_IPRDRelatedToImmunorizonSee5CBelowMember_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IssuesOfEquity_lbl1" xml:lang="en-US">Issues Of Equity</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IssuesOfEquity" xlink:to="ppbt_IssuesOfEquity_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinancialLiabilityWarrantMember_lbl0" xml:lang="en-US">Financial Liability Warrant Member</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialLiabilityWarrantMember" xlink:to="ppbt_FinancialLiabilityWarrantMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarnings_lbl0" xml:lang="en-US">Retained earnings</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarnings" xlink:to="ifrs-full_RetainedEarnings_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDepreciationExpense_lbl0" xml:lang="en-US">Adjustments for depreciation expense</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDepreciationExpense" xlink:to="ifrs-full_AdjustmentsForDepreciationExpense_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl0" xml:lang="en-US">Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock" xlink:to="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities_lbl0" xml:lang="en-US">Proceeds from sales of other long-term assets, classified as investing activities</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:to="ifrs-full_ProceedsFromOtherLongtermAssetsClassifiedAsInvestingActivities_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl0" xml:lang="en-US">Expense from share-based payment transactions with employees, operating</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TopOfRangeMember_lbl2" xml:lang="en-US">Top of range [member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TopOfRangeMember" xlink:to="ifrs-full_TopOfRangeMember_lbl2"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_RangesAxis_lbl0" xml:lang="en-US">Ranges Axis</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_RangesAxis" xlink:to="ppbt_RangesAxis_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AggregateUpfrontPayment_lbl1" xml:lang="en-US">Aggregate Upfront Payment</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AggregateUpfrontPayment" xlink:to="ppbt_AggregateUpfrontPayment_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests_lbl0" xml:lang="en-US">Profit (loss) from continuing operations attributable to non-controlling interests</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_LongTermMilestonesAggregateAmount_lbl1" xml:lang="en-US">Long Term Milestones Aggregate Amount</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LongTermMilestonesAggregateAmount" xlink:to="ppbt_LongTermMilestonesAggregateAmount_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl0" xml:lang="en-US">Cybersecurity Risk Management Third Party Engaged [Flag]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag" xlink:to="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_lbl0" xml:lang="en-US">Description of accounting policy for foreign currency translation [text block]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ATMProgramMember_lbl0" xml:lang="en-US">ATMProgram Member</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ATMProgramMember" xlink:to="ppbt_ATMProgramMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl0" xml:lang="en-US">Number of other equity instruments forfeited in share-based payment arrangement</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_NetAssetsAttributableToNonControllingInterest_lbl1" xml:lang="en-US">Net Assets Attributable To Non Controlling Interest</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NetAssetsAttributableToNonControllingInterest" xlink:to="ppbt_NetAssetsAttributableToNonControllingInterest_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncontrollingInterests_lbl0" xml:lang="en-US">Non-controlling interests</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterests" xlink:to="ifrs-full_NoncontrollingInterests_lbl0"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfFairValueMeasurementAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfFairValueMeasurementAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfFairValueMeasurementAbstract_lbl" xml:lang="en-US">Schedule Of Fair Value Measurement Abstract</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfFairValueMeasurementAbstract" xlink:to="ppbt_ScheduleOfFairValueMeasurementAbstract_lbl"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DisclosureOfDetailedInformationAboutCashAndCashEquivalentExplanatoryTableTextBlock_lbl1" xml:lang="en-US">Disclosure Of Detailed Information About Cash And Cash Equivalent Explanatory Table Text Block</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutCashAndCashEquivalentExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutCashAndCashEquivalentExplanatoryTableTextBlock_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ConsultantPerShares_lbl1" xml:lang="en-US">Consultant Per Shares</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ConsultantPerShares" xlink:to="ppbt_ConsultantPerShares_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl0" xml:lang="en-US">Adjustments to reconcile operating profit (loss) [abstract]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_lbl0" xml:lang="en-US">Disclosure of commitments and contingent liabilities [text block]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:to="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_lbl0" xml:lang="en-US">Option life, share options granted</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_lbl0" xml:lang="en-US">Increase (decrease) in cash and cash equivalents after effect of exchange rate changes</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_TotalAcquisitionAmount_lbl1" xml:lang="en-US">Total Acquisition Amount</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TotalAcquisitionAmount" xlink:to="ppbt_TotalAcquisitionAmount_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl0" xml:lang="en-US">Number of other equity instruments granted in share-based payment arrangement</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:to="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_lbl0" xml:lang="en-US">Cash flows from (used in) decrease (increase) in short-term deposits and investments</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:to="ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl1" xml:lang="en-US">Expected volatility, share options granted</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromExerciseOfWarrants_lbl1" xml:lang="en-US">Proceeds from exercise of warrants</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromExerciseOfWarrants" xlink:to="ifrs-full_ProceedsFromExerciseOfWarrants_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentAssetsAbstract_lbl0" xml:lang="en-US">Non-current assets [abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssetsAbstract" xlink:to="ifrs-full_NoncurrentAssetsAbstract_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PurchaseOfCommonStockAndWarrants_lbl1" xml:lang="en-US">Purchase Of Common Stock And Warrants</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PurchaseOfCommonStockAndWarrants" xlink:to="ppbt_PurchaseOfCommonStockAndWarrants_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IPRDRelatedToFamewaveSee5BBelowMember_lbl0" xml:lang="en-US">IPRDRelated To Famewave See5 BBelow Member</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IPRDRelatedToFamewaveSee5BBelowMember" xlink:to="ppbt_IPRDRelatedToFamewaveSee5BBelowMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners_lbl0" xml:lang="en-US">Increase (decrease) through transactions with owners, equity</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" xlink:to="ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationExpense_lbl0" xml:lang="en-US">Depreciation expense, operating</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationExpense" xlink:to="ifrs-full_DepreciationExpense_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentPayables_lbl1" xml:lang="en-US">Other current payables</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentPayables" xlink:to="ifrs-full_OtherCurrentPayables_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ChangesInExchangeRatesForTheYearEndedAbstract_lbl0" xml:lang="en-US">Changes In Exchange Rates For The Year Ended Abstract</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ChangesInExchangeRatesForTheYearEndedAbstract" xlink:to="ppbt_ChangesInExchangeRatesForTheYearEndedAbstract_lbl0"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfCashAndCashEquivalentsAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfCashAndCashEquivalentsAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfCashAndCashEquivalentsAbstract_lbl" xml:lang="en-US">Schedule Of Cash And Cash Equivalents Abstract</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfCashAndCashEquivalentsAbstract" xlink:to="ppbt_ScheduleOfCashAndCashEquivalentsAbstract_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_lbl0" xml:lang="en-US">Weighted average share price, share options granted</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:to="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithPartiesOtherThanEmployees_lbl0" xml:lang="en-US">Expense from share-based payment transactions with parties other than employees</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithPartiesOtherThanEmployees" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithPartiesOtherThanEmployees_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_lbl0" xml:lang="en-US">Disclosure of trade and other payables [text block]</label>   
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinanceExpensesAbstract_lbl0" xml:lang="en-US">Finance Expenses Abstract</label> 
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IPRDRelatedToPurpleGmbHMember_lbl0" xml:lang="en-US">IPRDRelated To Purple Gmb HMember</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IPRDRelatedToPurpleGmbHMember" xlink:to="ppbt_IPRDRelatedToPurpleGmbHMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_THMMember_lbl0" xml:lang="en-US">THMMember</label> 
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesIssued_lbl2" xml:lang="en-US">Number of shares issued</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesIssued" xlink:to="ifrs-full_NumberOfSharesIssued_lbl2"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PercentageOfContractToAcquire_lbl1" xml:lang="en-US">Percentage Of Contract To Acquire</label>     
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatoryTableTextBlock_lbl1" xml:lang="en-US">Disclosure Of Detailed Information About Trade And Other Payables Explanatory Table Text Block</label>    
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_lbl0" xml:lang="en-US">Adjustments for increase (decrease) in employee benefit liabilities</label>   
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl0" xml:lang="en-US">Profit (loss), attributable to non-controlling interests</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_lbl0" xml:lang="en-US">Description of accounting policy for leases [text block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_lbl0" xml:lang="en-US">Disclosure of classes of share capital [text block]</label>   
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_lbl0" xml:lang="en-US">Disclosure of finance income (cost) [text block]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:to="ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense_lbl0" xml:lang="en-US">Tax benefit arising from previously unrecognised tax loss, tax credit or temporary difference of prior period used to reduce deferred tax expense</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense" xlink:to="ifrs-full_TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughAcquisitionOfSubsidiary_lbl0" xml:lang="en-US">Increase (decrease) through acquisition of subsidiary, equity</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughAcquisitionOfSubsidiary" xlink:to="ifrs-full_IncreaseDecreaseThroughAcquisitionOfSubsidiary_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BottomOfRangeMember_lbl2" xml:lang="en-US">Bottom of range [member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BottomOfRangeMember" xlink:to="ifrs-full_BottomOfRangeMember_lbl2"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_TransactionsandBalanceswithRelatedPartiesTablesLineItems_lbl0" xml:lang="en-US">Transactionsand Balanceswith Related Parties Tables Line Items</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TransactionsandBalanceswithRelatedPartiesTablesLineItems" xlink:to="ppbt_TransactionsandBalanceswithRelatedPartiesTablesLineItems_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_lbl0" xml:lang="en-US">Key management personnel compensation, short-term employee benefits, operating</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:to="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl0" xml:lang="en-US">Number of share options exercisable in share-based payment arrangement</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_NetAssetsAttributableToNoncontrollingInterests_lbl1" xml:lang="en-US">Net Assets Attributable To Noncontrolling Interests</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NetAssetsAttributableToNoncontrollingInterests" xlink:to="ppbt_NetAssetsAttributableToNoncontrollingInterests_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentAssets_lbl0" xml:lang="en-US">Other non-current assets</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentAssets" xlink:to="ifrs-full_OtherNoncurrentAssets_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract_lbl0" xml:lang="en-US">Non-current liabilities [abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="ifrs-full_NoncurrentLiabilitiesAbstract_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TravelExpense_lbl0" xml:lang="en-US">Travel expense, operating</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TravelExpense" xlink:to="ifrs-full_TravelExpense_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_StockholdersEquityReversesStockSplit_lbl1" xml:lang="en-US">Stockholders Equity Reverses Stock Split</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_StockholdersEquityReversesStockSplit" xlink:to="ppbt_StockholdersEquityReversesStockSplit_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019_lbl0" xml:lang="en-US">Weighted average exercise price of share options forfeited in share-based payment arrangement</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ShareBasedPaymentsMember_lbl0" xml:lang="en-US">Share Based Payments Member</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShareBasedPaymentsMember" xlink:to="ppbt_ShareBasedPaymentsMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinanceIncomeExplanatory_lbl0" xml:lang="en-US">Disclosure of finance income [text block]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinanceIncomeExplanatory" xlink:to="ifrs-full_DisclosureOfFinanceIncomeExplanatory_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl0" xml:lang="en-US">Cash flows from (used in) financing activities [abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentAssets_lbl0" xml:lang="en-US">Non-current assets</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_NoncurrentAssets_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ForeignExchangeGain_lbl0" xml:lang="en-US">Foreign exchange gain</label>   
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_TryNovosTechnologiesMember_lbl0" xml:lang="en-US">Try Novos Technologies Member</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TryNovosTechnologiesMember" xlink:to="ppbt_TryNovosTechnologiesMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinancialAssetAndLiabilitiesAbstract_lbl0" xml:lang="en-US">Financial Asset And Liabilities Abstract</label>    
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_EquityMethodInvestmentsOwnershipPercentage_lbl1" xml:lang="en-US">Equity Method Investments Ownership Percentage</label> 
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_RetainedEarning_lbl1" xml:lang="en-US">Retained Earning</label>    
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FairValueMeasurementIssuance_lbl1" xml:lang="en-US">Fair Value Measurement Issuance</label>  
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestPaidClassifiedAsFinancingActivities_lbl0" xml:lang="en-US">Interest paid, classified as financing activities</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:to="ifrs-full_InterestPaidClassifiedAsFinancingActivities_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl0" xml:lang="en-US">Profit (loss), attributable to owners of parent</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_EUROMember_lbl0" xml:lang="en-US">EUROMember</label>   
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PublicOfferingMember_lbl1" xml:lang="en-US">Public Offering Member</label>     
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_lbl0" xml:lang="en-US">Disclosure of transactions between related parties [text block]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019_lbl0" xml:lang="en-US">Weighted average exercise price of share options exercisable in share-based payment arrangement</label>     
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ParValuePerShare_lbl1" xml:lang="en-US">Par value per share</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ParValuePerShare" xlink:to="ifrs-full_ParValuePerShare_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_lbl0" xml:lang="en-US">Disclosure of fair value measurement of liabilities [text block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_lbl0" xml:lang="en-US">Current trade payables</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncontrollingInterestsMember_lbl1" xml:lang="en-US">Non-controlling interests [member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterestsMember" xlink:to="ifrs-full_NoncontrollingInterestsMember_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AggregateGrossProceeds_lbl1" xml:lang="en-US">Aggregate Gross Proceeds</label>    
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_lbl0" xml:lang="en-US">Description of accounting policy for impairment of assets [text block]</label>    
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncomeAbstract_lbl0" xml:lang="en-US">Other comprehensive income [abstract]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_OtherComprehensiveIncomeAbstract_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ChiefExecutiveOfficerMember_lbl0" xml:lang="en-US">Chief Executive Officer [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ChiefExecutiveOfficerMember" xlink:to="srt_ChiefExecutiveOfficerMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IncomelossFromChangeInExchangeRateUp_lbl1" xml:lang="en-US">Incomeloss From Change In Exchange Rate Up</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IncomelossFromChangeInExchangeRateUp" xlink:to="ppbt_IncomelossFromChangeInExchangeRateUp_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory_lbl0" xml:lang="en-US">Description of accounting policy for interest income and expense [text block]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_lbl0" xml:lang="en-US">Cash flows from (used in) operating activities [abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentProvisionsForEmployeeBenefits_lbl0" xml:lang="en-US">Non-current provisions for employee benefits</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentProvisionsForEmployeeBenefits" xlink:to="ifrs-full_NoncurrentProvisionsForEmployeeBenefits_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_lbl0" xml:lang="en-US">Weighted average exercise price of share options granted in share-based payment arrangement</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_NISMember_lbl0" xml:lang="en-US">NISMember</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NISMember" xlink:to="ppbt_NISMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AmericanDepostioryShares_lbl1" xml:lang="en-US">American Depostiory Shares</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AmericanDepostioryShares" xlink:to="ppbt_AmericanDepostioryShares_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock_lbl1" xml:lang="en-US">Description Of Accounting Policy For Basis Of Consolidation Policy Text Block</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock" xlink:to="ppbt_DescriptionOfAccountingPolicyForBasisOfConsolidationPolicyTextBlock_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_lbl0" xml:lang="en-US">Key management personnel compensation, post-employment benefits</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:to="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementTableTextBlock_lbl1" xml:lang="en-US">Schedule Of Details Regarding Fair Value Measurement Table Text Block</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementTableTextBlock" xlink:to="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementTableTextBlock_lbl1"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfFinancialInstrumentsMeasuredAtFairValueAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfFinancialInstrumentsMeasuredAtFairValueAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfFinancialInstrumentsMeasuredAtFairValueAbstract_lbl" xml:lang="en-US">Schedule Of Financial Instruments Measured At Fair Value Abstract</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfFinancialInstrumentsMeasuredAtFairValueAbstract" xlink:to="ppbt_ScheduleOfFinancialInstrumentsMeasuredAtFairValueAbstract_lbl"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IncomelossFromChangeInExchangeRateDown_lbl1" xml:lang="en-US">Incomeloss From Change In Exchange Rate Down</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IncomelossFromChangeInExchangeRateDown" xlink:to="ppbt_IncomelossFromChangeInExchangeRateDown_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DepositarysShares_lbl1" xml:lang="en-US">Depositarys Shares</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DepositarysShares" xlink:to="ppbt_DepositarysShares_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReserveOfCashFlowHedgesMember_lbl0" xml:lang="en-US">Reserve of cash flow hedges [member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfCashFlowHedgesMember" xlink:to="ifrs-full_ReserveOfCashFlowHedgesMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_WarrantsExercised_lbl1" xml:lang="en-US">Warrants Exercised</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsExercised" xlink:to="ppbt_WarrantsExercised_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FairValueMeasurementBalance_lbl2" xml:lang="en-US">Fair Value Measurement Balance</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementBalance" xlink:to="ppbt_FairValueMeasurementBalance_lbl2"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_LossPerADSInformationwhere1ADSRepresents2000SharesAbstract_lbl0" xml:lang="en-US">Loss Per ADSInformationwhere1 ADSRepresents2000 Shares Abstract</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LossPerADSInformationwhere1ADSRepresents2000SharesAbstract" xlink:to="ppbt_LossPerADSInformationwhere1ADSRepresents2000SharesAbstract_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_CapitalReserveFromTransactionsWithNonControllingInterestMember_lbl1" xml:lang="en-US">Capital Reserve From Transactions With Non Controlling Interest Member</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CapitalReserveFromTransactionsWithNonControllingInterestMember" xlink:to="ppbt_CapitalReserveFromTransactionsWithNonControllingInterestMember_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl0" xml:lang="en-US">Number of shares outstanding</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesOutstanding" xlink:to="ifrs-full_NumberOfSharesOutstanding_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestReceivedClassifiedAsInvestingActivities_lbl0" xml:lang="en-US">Interest received, classified as investing activities</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xlink:to="ifrs-full_InterestReceivedClassifiedAsInvestingActivities_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_RehovotMember_lbl0" xml:lang="en-US">Rehovot Member</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_RehovotMember" xlink:to="ppbt_RehovotMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_lbl0" xml:lang="en-US">Later than one year and not later than two years [member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_lbl0"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfExpensesRecognizedInTheConsolidatedFinancialStatementsAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfExpensesRecognizedInTheConsolidatedFinancialStatementsAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfExpensesRecognizedInTheConsolidatedFinancialStatementsAbstract_lbl" xml:lang="en-US">Schedule Of Expenses Recognized In The Consolidated Financial Statements Abstract</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfExpensesRecognizedInTheConsolidatedFinancialStatementsAbstract" xlink:to="ppbt_ScheduleOfExpensesRecognizedInTheConsolidatedFinancialStatementsAbstract_lbl"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfExpensesByNatureExplanatory_lbl0" xml:lang="en-US">Disclosure of expenses by nature [text block]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfExpensesByNatureExplanatory" xlink:to="ifrs-full_DisclosureOfExpensesByNatureExplanatory_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_WarrantsIssued_lbl2" xml:lang="en-US">Warrants Issued</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsIssued" xlink:to="ppbt_WarrantsIssued_lbl2"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LicenceFeeIncome_lbl0" xml:lang="en-US">Licence fee income, operating</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LicenceFeeIncome" xlink:to="ifrs-full_LicenceFeeIncome_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IncomelossValue_lbl1" xml:lang="en-US">Incomeloss Value</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IncomelossValue" xlink:to="ppbt_IncomelossValue_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_CashAndCashEquivalentsAndDepositsMember_lbl0" xml:lang="en-US">Cash And Cash Equivalents And Deposits Member</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CashAndCashEquivalentsAndDepositsMember" xlink:to="ppbt_CashAndCashEquivalentsAndDepositsMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLoss_lbl0" xml:lang="en-US">Adjustments to reconcile profit (loss)</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:to="ifrs-full_AdjustmentsForReconcileProfitLoss_lbl0"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfRecordedExpensesAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfRecordedExpensesAbstract"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfRecordedExpensesAbstract_lbl" xml:lang="en-US">Schedule Of Recorded Expenses Abstract</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfRecordedExpensesAbstract" xlink:to="ppbt_ScheduleOfRecordedExpensesAbstract_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AverageForeignExchangeRate_lbl0" xml:lang="en-US">Average foreign exchange rate</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AverageForeignExchangeRate" xlink:to="ifrs-full_AverageForeignExchangeRate_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_lbl0" xml:lang="en-US">Disclosure of number and weighted average exercise prices of share options [text block]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:to="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_lbl0" xml:lang="en-US">Expected dividend as percentage, share options granted</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:to="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationRightofuseAssets_lbl0" xml:lang="en-US">Depreciation, right-of-use assets</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationRightofuseAssets" xlink:to="ifrs-full_DepreciationRightofuseAssets_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_NumberOfExerciseOfWarrants_lbl1" xml:lang="en-US">Number Of Exercise Of Warrants</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfExerciseOfWarrants" xlink:to="ppbt_NumberOfExerciseOfWarrants_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_NetPlacementAgentFees_lbl1" xml:lang="en-US">Net Placement Agent Fees</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NetPlacementAgentFees" xlink:to="ppbt_NetPlacementAgentFees_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShareIssueRelatedCost_lbl0" xml:lang="en-US">Share issue related cost</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShareIssueRelatedCost" xlink:to="ifrs-full_ShareIssueRelatedCost_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinanceExpenseIncomeNetTablesLineItems_lbl0" xml:lang="en-US">Finance Expense Income Net Tables Line Items</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinanceExpenseIncomeNetTablesLineItems" xlink:to="ppbt_FinanceExpenseIncomeNetTablesLineItems_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_NumberOfNonTradableWarrants_lbl1" xml:lang="en-US">Number Of Non Tradable Warrants</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfNonTradableWarrants" xlink:to="ppbt_NumberOfNonTradableWarrants_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_UnlabeledAbstract_lbl0" xml:lang="en-US">Unlabeled Abstract</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_UnlabeledAbstract" xlink:to="ppbt_UnlabeledAbstract_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLeaseLiabilities_lbl0" xml:lang="en-US">Current lease liabilities</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLeaseLiabilities" xlink:to="ifrs-full_CurrentLeaseLiabilities_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfComprehensiveIncomeAbstract_lbl0" xml:lang="en-US">Statement of comprehensive income [abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="ifrs-full_StatementOfComprehensiveIncomeAbstract_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_SubsequentEventsMember_lbl0" xml:lang="en-US">Subsequent Events Member</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SubsequentEventsMember" xlink:to="ppbt_SubsequentEventsMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl0" xml:lang="en-US">Cash flows from (used in) investing activities</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DerivativeFinancialLiabilities_lbl0" xml:lang="en-US">Derivative financial liabilities</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DerivativeFinancialLiabilities" xlink:to="ifrs-full_DerivativeFinancialLiabilities_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RevenueFromRoyalties_lbl0" xml:lang="en-US">Royalty income, operating</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueFromRoyalties" xlink:to="ifrs-full_RevenueFromRoyalties_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CreditRiskMember_lbl0" xml:lang="en-US">Credit risk [member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CreditRiskMember" xlink:to="ifrs-full_CreditRiskMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_lbl0" xml:lang="en-US">Weighted average remaining contractual life of outstanding share options</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:to="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_DirectorMember_lbl0" xml:lang="en-US">Director [Member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_DirectorMember" xlink:to="srt_DirectorMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LeaseLiabilities_lbl1" xml:lang="en-US">Lease liabilities</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseLiabilities" xlink:to="ifrs-full_LeaseLiabilities_lbl1"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalAbstract_lbl" xml:lang="en-US">Disclosure of classes of share capital [abstract]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalAbstract_lbl"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfIntangibleAssetsAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfIntangibleAssetsAbstract"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfIntangibleAssetsAbstract_lbl" xml:lang="en-US">Schedule Of Intangible Assets Abstract</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfIntangibleAssetsAbstract" xlink:to="ppbt_ScheduleOfIntangibleAssetsAbstract_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrencyRiskMember_lbl0" xml:lang="en-US">Currency risk [member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrencyRiskMember" xlink:to="ifrs-full_CurrencyRiskMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentAssets_lbl1" xml:lang="en-US">Other current assets</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentAssets" xlink:to="ifrs-full_OtherCurrentAssets_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_lbl0" xml:lang="en-US">Disclosure of material accounting policy information [text block]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:to="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensation_lbl0" xml:lang="en-US">Key management personnel compensation, operating</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensation" xlink:to="ifrs-full_KeyManagementPersonnelCompensation_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CapitalReserve_lbl0" xml:lang="en-US">Capital reserve</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CapitalReserve" xlink:to="ifrs-full_CapitalReserve_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_WarrantsIssuanceExpensesPaid_lbl1" xml:lang="en-US">Warrants Issuance Expenses Paid</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsIssuanceExpensesPaid" xlink:to="ppbt_WarrantsIssuanceExpensesPaid_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DisclosureOfDetailedInformationAboutRestrictedStockUnitTableTextBlock_lbl1" xml:lang="en-US">Disclosure Of Detailed Information About Restricted Stock Unit Table Text Block</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutRestrictedStockUnitTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutRestrictedStockUnitTableTextBlock_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_lbl0" xml:lang="en-US">Post-employment benefit expense, defined contribution plans</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:to="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfCashPaymentsAbstract_lbl0" xml:lang="en-US">Classes of cash payments from operating activities [abstract]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfCashPaymentsAbstract" xlink:to="ifrs-full_ClassesOfCashPaymentsAbstract_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DirectorsRemunerationExpense_lbl0" xml:lang="en-US">Directors&apos; remuneration expense, operating</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DirectorsRemunerationExpense" xlink:to="ifrs-full_DirectorsRemunerationExpense_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_noncontrollingInterests_lbl1" xml:lang="en-US">noncontrolling Interests</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_noncontrollingInterests" xlink:to="ppbt_noncontrollingInterests_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PreferredShareClassMember_lbl0" xml:lang="en-US">Preferred Share Class Member</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreferredShareClassMember" xlink:to="ppbt_PreferredShareClassMember_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PercentageOfReceiveExitFee_lbl1" xml:lang="en-US">Percentage Of Receive Exit Fee</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfReceiveExitFee" xlink:to="ppbt_PercentageOfReceiveExitFee_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Level1OfFairValueHierarchyMember_lbl0" xml:lang="en-US">Level 1 of fair value hierarchy [member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level1OfFairValueHierarchyMember" xlink:to="ifrs-full_Level1OfFairValueHierarchyMember_lbl0"/> 
    <loc xlink:type="locator" xlink:label="ifrs-full_StatementOfFinancialPositionAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfFinancialPositionAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US">Statement of financial position [abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_StatementOfFinancialPositionAbstract_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ShortTermDepositsGuaranteedForLeasesAndCredit_lbl1" xml:lang="en-US">Short Term Deposits Guaranteed For Leases And Credit</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShortTermDepositsGuaranteedForLeasesAndCredit" xlink:to="ppbt_ShortTermDepositsGuaranteedForLeasesAndCredit_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ClassesOfPreferredSharesAxis_lbl0" xml:lang="en-US">Classes Of Preferred Shares Axis</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ClassesOfPreferredSharesAxis" xlink:to="ppbt_ClassesOfPreferredSharesAxis_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ExerciseOfWarrantsEquity_lbl1" xml:lang="en-US">Exercise Of Warrants Equity</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ExerciseOfWarrantsEquity" xlink:to="ppbt_ExerciseOfWarrantsEquity_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_LeaseAgreementOneMember_lbl0" xml:lang="en-US">Lease Agreement One Member</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LeaseAgreementOneMember" xlink:to="ppbt_LeaseAgreementOneMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FundsRaisedshares_lbl1" xml:lang="en-US">Funds Raisedshares</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FundsRaisedshares" xlink:to="ppbt_FundsRaisedshares_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PercentageOfSublicenseConsideration_lbl1" xml:lang="en-US">Percentage Of Sublicense Consideration</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfSublicenseConsideration" xlink:to="ppbt_PercentageOfSublicenseConsideration_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssuedCapitalMember_lbl0" xml:lang="en-US">Issued capital [member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssuedCapitalMember" xlink:to="ifrs-full_IssuedCapitalMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_lbl0" xml:lang="en-US">Description of accounting policy for earnings per share [text block]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IssuanceExpenses_lbl1" xml:lang="en-US">Issuance Expenses</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IssuanceExpenses" xlink:to="ppbt_IssuanceExpenses_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InsuranceContractsIssuedThatAreAssets_lbl0" xml:lang="en-US">Insurance contracts issued that are assets</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InsuranceContractsIssuedThatAreAssets" xlink:to="ifrs-full_InsuranceContractsIssuedThatAreAssets_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentPrepaidExpenses_lbl0" xml:lang="en-US">Current prepaid expenses</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentPrepaidExpenses" xlink:to="ifrs-full_CurrentPrepaidExpenses_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired_lbl0" xml:lang="en-US">Percentage of voting equity interests acquired</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:to="ifrs-full_PercentageOfVotingEquityInterestsAcquired_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AggregateShareholdersOfImmunorizon_lbl1" xml:lang="en-US">Aggregate Shareholders Of Immunorizon</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AggregateShareholdersOfImmunorizon" xlink:to="ppbt_AggregateShareholdersOfImmunorizon_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesAbstract_lbl0" xml:lang="en-US">Liabilities [abstract]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesAbstract" xlink:to="ifrs-full_LiabilitiesAbstract_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OrdinarySharesMember_lbl1" xml:lang="en-US">Ordinary shares [member]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OrdinarySharesMember" xlink:to="ifrs-full_OrdinarySharesMember_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentWarrantLiability_lbl0" xml:lang="en-US">Non-current warrant liability</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentWarrantLiability" xlink:to="ifrs-full_NoncurrentWarrantLiability_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_WarrantsoneMember_lbl0" xml:lang="en-US">Warrantsone Member</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsoneMember" xlink:to="ppbt_WarrantsoneMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl0" xml:lang="en-US">Cash flows from (used in) operating activities</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_lbl0" xml:lang="en-US">Description of accounting policy for employee benefits [text block]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromIssuingOtherEquityInstruments_lbl0" xml:lang="en-US">Proceeds from issuing other equity instruments</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromIssuingOtherEquityInstruments" xlink:to="ifrs-full_ProceedsFromIssuingOtherEquityInstruments_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted2019_lbl1" xml:lang="en-US">Exercise price, share options granted</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:to="ifrs-full_ExercisePriceShareOptionsGranted2019_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShorttermEmployeeBenefitsExpense_lbl0" xml:lang="en-US">Short-term employee benefits expense</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShorttermEmployeeBenefitsExpense" xlink:to="ifrs-full_ShorttermEmployeeBenefitsExpense_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_SalariesWagesAndRelatedExpensesMember_lbl0" xml:lang="en-US">Salaries Wages And Related Expenses Member</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SalariesWagesAndRelatedExpensesMember" xlink:to="ppbt_SalariesWagesAndRelatedExpensesMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ReimbursementOfLegalFeesExpense_lbl1" xml:lang="en-US">Reimbursement Of Legal Fees Expense</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ReimbursementOfLegalFeesExpense" xlink:to="ppbt_ReimbursementOfLegalFeesExpense_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ServiceProvidersMember_lbl0" xml:lang="en-US">Service Providers Member</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ServiceProvidersMember" xlink:to="ppbt_ServiceProvidersMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_lbl0" xml:lang="en-US">Disclosure of employee benefits [text block]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:to="ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_StatementsTable_lbl0" xml:lang="en-US">Statements Table</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_StatementsTable" xlink:to="ppbt_StatementsTable_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl0" xml:lang="en-US">Increase (decrease) through share-based payment transactions, equity</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_OtherCurrentAssetMember_lbl0" xml:lang="en-US">Other Current Asset Member</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OtherCurrentAssetMember" xlink:to="ppbt_OtherCurrentAssetMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AmericanDepositorySharesOrdinaryShares_lbl2" xml:lang="en-US">American Depository Shares Ordinary Shares</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AmericanDepositorySharesOrdinaryShares" xlink:to="ppbt_AmericanDepositorySharesOrdinaryShares_lbl2"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_lbl0" xml:lang="en-US">Gains (losses) on change in fair value of derivatives</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:to="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_lbl0" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [text block]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherExpenseByNature_lbl1" xml:lang="en-US">Other expenses, by nature</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherExpenseByNature" xlink:to="ifrs-full_OtherExpenseByNature_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_lbl0" xml:lang="en-US">Disclosure of information about key management personnel [text block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:to="ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ReverseRatio_lbl1" xml:lang="en-US">Reverse Ratio</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ReverseRatio" xlink:to="ppbt_ReverseRatio_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Level2OfFairValueHierarchyMember_lbl0" xml:lang="en-US">Level 2 of fair value hierarchy [member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level2OfFairValueHierarchyMember" xlink:to="ifrs-full_Level2OfFairValueHierarchyMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ConvertibleShares_lbl1" xml:lang="en-US">Convertible Shares</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ConvertibleShares" xlink:to="ppbt_ConvertibleShares_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_SalaryRelatedOtherPayablesCurrent_lbl1" xml:lang="en-US">Salary Related Other Payables Current</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SalaryRelatedOtherPayablesCurrent" xlink:to="ppbt_SalaryRelatedOtherPayablesCurrent_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_GeneralAndAdministrativeExpensesOther_lbl1" xml:lang="en-US">General And Administrative Expenses Other</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_GeneralAndAdministrativeExpensesOther" xlink:to="ppbt_GeneralAndAdministrativeExpensesOther_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_lbl0" xml:lang="en-US">Adjustments for increase (decrease) in trade accounts payable</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_LeaseAgreementsTwoMember_lbl0" xml:lang="en-US">Lease Agreements Two Member</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_LeaseAgreementsTwoMember" xlink:to="ppbt_LeaseAgreementsTwoMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_OfficerMember_lbl0" xml:lang="en-US">Officer [Member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_OfficerMember" xlink:to="srt_OfficerMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_lbl0" xml:lang="en-US">Disclosure of basis of preparation of financial statements [text block]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:to="ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl1" xml:lang="en-US">Number of share options granted in share-based payment arrangement</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl0" xml:lang="en-US">Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock" xlink:to="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PrivateAndPublicFinancingTotal_lbl1" xml:lang="en-US">Private And Public Financing Total</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PrivateAndPublicFinancingTotal" xlink:to="ppbt_PrivateAndPublicFinancingTotal_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinanceIncomeCost_lbl0" xml:lang="en-US">Finance income (cost)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinanceIncomeCost" xlink:to="ifrs-full_FinanceIncomeCost_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_lbl0" xml:lang="en-US">Description of accounting policy for provisions [text block]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetAssetsLiabilities_lbl0" xml:lang="en-US">Assets (liabilities)</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetAssetsLiabilities" xlink:to="ifrs-full_NetAssetsLiabilities_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_lbl0" xml:lang="en-US">Disclosure of events after reporting period [text block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:to="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent_lbl0" xml:lang="en-US">Equity attributable to owners of parent</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_EquityAttributableToOwnersOfParent_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesIssuedAndFullyPaid_lbl0" xml:lang="en-US">Number of shares issued and fully paid</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:to="ifrs-full_NumberOfSharesIssuedAndFullyPaid_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_lbl0" xml:lang="en-US">Disclosure of general and administrative expense [text block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:to="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_lbl0" xml:lang="en-US">Description of accounting policy for intangible assets and goodwill [text block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_WarrantsExercisableTerm_lbl1" xml:lang="en-US">Warrants Exercisable Term</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantsExercisableTerm" xlink:to="ppbt_WarrantsExercisableTerm_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_WarrantExercisableExpirePeriod_lbl1" xml:lang="en-US">Warrant Exercisable Expire Period</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantExercisableExpirePeriod" xlink:to="ppbt_WarrantExercisableExpirePeriod_lbl1"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfCarryingAmountsOfRightToUseAssetsAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfCarryingAmountsOfRightToUseAssetsAbstract"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfCarryingAmountsOfRightToUseAssetsAbstract_lbl" xml:lang="en-US">Schedule Of Carrying Amounts Of Right To Use Assets Abstract</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfCarryingAmountsOfRightToUseAssetsAbstract" xlink:to="ppbt_ScheduleOfCarryingAmountsOfRightToUseAssetsAbstract_lbl"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_SeriesA2WarrantsMember_lbl0" xml:lang="en-US">Series A2 Warrants Member</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SeriesA2WarrantsMember" xlink:to="ppbt_SeriesA2WarrantsMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember_lbl0" xml:lang="en-US">Level 3 of fair value hierarchy [member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PreferredClassDMember_lbl0" xml:lang="en-US">Preferred Class DMember</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreferredClassDMember" xlink:to="ppbt_PreferredClassDMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsOnLitigationSettlements_lbl0" xml:lang="en-US">Gains on litigation settlements, operating</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsOnLitigationSettlements" xlink:to="ifrs-full_GainsOnLitigationSettlements_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OperatingExpense_lbl0" xml:lang="en-US">Operating expense, operating</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OperatingExpense" xlink:to="ifrs-full_OperatingExpense_lbl0"/>    
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfSensitivityTestToPossibleChangesInExchangeRateAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfSensitivityTestToPossibleChangesInExchangeRateAbstract"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfSensitivityTestToPossibleChangesInExchangeRateAbstract_lbl" xml:lang="en-US">Schedule Of Sensitivity Test To Possible Changes In Exchange Rate Abstract</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfSensitivityTestToPossibleChangesInExchangeRateAbstract" xlink:to="ppbt_ScheduleOfSensitivityTestToPossibleChangesInExchangeRateAbstract_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_lbl0" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [text block]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AdsMember_lbl1" xml:lang="en-US">Ads Member</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AdsMember" xlink:to="ppbt_AdsMember_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Assets_lbl0" xml:lang="en-US">Assets</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_Assets_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ResearchAndDevelopmentExpense_lbl0" xml:lang="en-US">Research and development expense</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ResearchAndDevelopmentExpense" xlink:to="ifrs-full_ResearchAndDevelopmentExpense_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_StatutoryTaxRate_lbl1" xml:lang="en-US">Statutory Tax Rate</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_StatutoryTaxRate" xlink:to="ppbt_StatutoryTaxRate_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FairValueMeasurementRevaluation_lbl1" xml:lang="en-US">Fair Value Measurement Revaluation</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementRevaluation" xlink:to="ppbt_FairValueMeasurementRevaluation_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl0" xml:lang="en-US">Number of share options forfeited in share-based payment arrangement</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_SeriesA1WarrantsMember_lbl0" xml:lang="en-US">Series A1 Warrants Member</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SeriesA1WarrantsMember" xlink:to="ppbt_SeriesA1WarrantsMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLoss_lbl1" xml:lang="en-US">Profit (loss)</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLoss_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_NumberOfVestingOfRsus_lbl1" xml:lang="en-US">Number Of Vesting Of Rsus</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfVestingOfRsus" xlink:to="ppbt_NumberOfVestingOfRsus_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RentalExpense_lbl0" xml:lang="en-US">Rental expense, operating</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RentalExpense" xlink:to="ifrs-full_RentalExpense_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DisclosureOfDetailedInformationAboutChangesInShareCapitalExplanatoryTableTextBlock_lbl1" xml:lang="en-US">Disclosure Of Detailed Information About Changes In Share Capital Explanatory Table Text Block</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutChangesInShareCapitalExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutChangesInShareCapitalExplanatoryTableTextBlock_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ExpectedDividendAsPercentageShareOptionsdividendYield_lbl1" xml:lang="en-US">Expected Dividend As Percentage Share Optionsdividend Yield</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ExpectedDividendAsPercentageShareOptionsdividendYield" xlink:to="ppbt_ExpectedDividendAsPercentageShareOptionsdividendYield_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PreferredShareClassBMember_lbl0" xml:lang="en-US">Preferred Share Class BMember</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreferredShareClassBMember" xlink:to="ppbt_PreferredShareClassBMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PrivatePlacementsMember_lbl0" xml:lang="en-US">Private Placements Member</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PrivatePlacementsMember" xlink:to="ppbt_PrivatePlacementsMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RestrictedShareUnitsMember_lbl2" xml:lang="en-US">Restricted share units [member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RestrictedShareUnitsMember" xlink:to="ifrs-full_RestrictedShareUnitsMember_lbl2"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IPRDRelatedToTryNovosee5ABelowMember_lbl0" xml:lang="en-US">IPRDRelated To Try Novosee5 ABelow Member</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IPRDRelatedToTryNovosee5ABelowMember" xlink:to="ppbt_IPRDRelatedToTryNovosee5ABelowMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_lbl0" xml:lang="en-US">Disclosure of detailed information about intangible assets [text block]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssueOfEquity_lbl0" xml:lang="en-US">Issue of equity</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssueOfEquity" xlink:to="ifrs-full_IssueOfEquity_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Equity_lbl2" xml:lang="en-US">Equity</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_Equity_lbl2"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLessorExplanatory_lbl0" xml:lang="en-US">Disclosure of additional information about leasing activities for lessor [text block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLessorExplanatory" xlink:to="ifrs-full_DisclosureOfAdditionalInformationAboutLeasingActivitiesForLessorExplanatory_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsOnChangeInFairValueOfDerivatives_lbl0" xml:lang="en-US">Gains on change in fair value of derivatives</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:to="ifrs-full_GainsOnChangeInFairValueOfDerivatives_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncome_lbl0" xml:lang="en-US">Other comprehensive income</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncome_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_lbl0" xml:lang="en-US">Short-term deposits, classified as cash equivalents</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:to="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesAuthorised_lbl0" xml:lang="en-US">Number of shares authorised</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesAuthorised" xlink:to="ifrs-full_NumberOfSharesAuthorised_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ForeignExchangeLoss_lbl0" xml:lang="en-US">Foreign exchange loss</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ForeignExchangeLoss" xlink:to="ifrs-full_ForeignExchangeLoss_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_lbl0" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PostemploymentBenefitLiabilitiesMember_lbl0" xml:lang="en-US">Postemployment Benefit Liabilities Member</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PostemploymentBenefitLiabilitiesMember" xlink:to="ppbt_PostemploymentBenefitLiabilitiesMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdditionsToRightofuseAssets_lbl0" xml:lang="en-US">Additions to right-of-use assets</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdditionsToRightofuseAssets" xlink:to="ifrs-full_AdditionsToRightofuseAssets_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashAndCashEquivalents_lbl3" xml:lang="en-US">Cash and cash equivalents</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="ifrs-full_CashAndCashEquivalents_lbl3"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DilutedEarningsLossPerShare_lbl0" xml:lang="en-US">Diluted earnings (loss) per share</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DilutedEarningsLossPerShare" xlink:to="ifrs-full_DilutedEarningsLossPerShare_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WarrantReserve_lbl0" xml:lang="en-US">Warrant reserve</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WarrantReserve" xlink:to="ifrs-full_WarrantReserve_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties_lbl0" xml:lang="en-US">Current payables to related parties</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_IntangibleAssetsRecoverableAmountPercentage_lbl1" xml:lang="en-US">Intangible Assets Recoverable Amount Percentage</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_IntangibleAssetsRecoverableAmountPercentage" xlink:to="ppbt_IntangibleAssetsRecoverableAmountPercentage_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_lbl0" xml:lang="en-US">Weighted average fair value at measurement date, share options granted</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:to="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_CurrentLiabilitie_lbl1" xml:lang="en-US">Current Liabilitie</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CurrentLiabilitie" xlink:to="ppbt_CurrentLiabilitie_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ReceiptsOnAccountOfWarrantsMember_lbl0" xml:lang="en-US">Receipts On Account Of Warrants Member</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ReceiptsOnAccountOfWarrantsMember" xlink:to="ppbt_ReceiptsOnAccountOfWarrantsMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_NonVotingSeniorPreferredShares_lbl1" xml:lang="en-US">Non Voting Senior Preferred Shares</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NonVotingSeniorPreferredShares" xlink:to="ppbt_NonVotingSeniorPreferredShares_lbl1"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ConsolidatedStatementsOfChangesInEquityAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ConsolidatedStatementsOfChangesInEquityAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ConsolidatedStatementsOfChangesInEquityAbstract_lbl" xml:lang="en-US">Consolidated Statements Of Changes In Equity Abstract</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ConsolidatedStatementsOfChangesInEquityAbstract" xlink:to="ppbt_ConsolidatedStatementsOfChangesInEquityAbstract_lbl"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PercentageOfEntitysRevenue_lbl0" xml:lang="en-US">Percentage of entity&apos;s revenue</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfEntitysRevenue" xlink:to="ifrs-full_PercentageOfEntitysRevenue_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_EmployeeBenefitBonus_lbl1" xml:lang="en-US">Employee Benefit Bonus</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EmployeeBenefitBonus" xlink:to="ppbt_EmployeeBenefitBonus_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ClassEPreferredSharesMember_lbl0" xml:lang="en-US">Class EPreferred Shares Member</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ClassEPreferredSharesMember" xlink:to="ppbt_ClassEPreferredSharesMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_EmployeeBenefitsLiabilityDueGrants_lbl1" xml:lang="en-US">Employee Benefits Liability Due Grants</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EmployeeBenefitsLiabilityDueGrants" xlink:to="ppbt_EmployeeBenefitsLiabilityDueGrants_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PaymentsForShareIssueCosts_lbl0" xml:lang="en-US">Payments for share issue costs</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsForShareIssueCosts" xlink:to="ifrs-full_PaymentsForShareIssueCosts_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_NumberOfIssuanceShares_lbl1" xml:lang="en-US">Number Of Issuance Shares</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_NumberOfIssuanceShares" xlink:to="ppbt_NumberOfIssuanceShares_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl0" xml:lang="en-US">Key management personnel compensation, share-based payment</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_September2025OfferingMember_lbl0" xml:lang="en-US">September2025 Offering Member</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_September2025OfferingMember" xlink:to="ppbt_September2025OfferingMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromIssuingShares_lbl0" xml:lang="en-US">Proceeds from issuing shares</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromIssuingShares" xlink:to="ifrs-full_ProceedsFromIssuingShares_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_lbl0" xml:lang="en-US">Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:to="ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_GovernmentAuthorities_lbl1" xml:lang="en-US">Government Authorities</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_GovernmentAuthorities" xlink:to="ppbt_GovernmentAuthorities_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl1" xml:lang="en-US">Intangible assets other than goodwill</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_WarrantTermDescription_lbl1" xml:lang="en-US">Warrant Term Description</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantTermDescription" xlink:to="ppbt_WarrantTermDescription_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_lbl1" xml:lang="en-US">Weighted average exercise price of share options outstanding in share-based payment arrangement</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AgreementLeaseAdditionalTerm_lbl1" xml:lang="en-US">Agreement Lease Additional Term</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AgreementLeaseAdditionalTerm" xlink:to="ppbt_AgreementLeaseAdditionalTerm_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_GainLossOnWarrants_lbl1" xml:lang="en-US">Gain Loss On Warrants</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_GainLossOnWarrants" xlink:to="ppbt_GainLossOnWarrants_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FundsRaisedAmount_lbl1" xml:lang="en-US">Funds Raised Amount</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FundsRaisedAmount" xlink:to="ppbt_FundsRaisedAmount_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ExercisePeriod_lbl1" xml:lang="en-US">Exercise Period</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ExercisePeriod" xlink:to="ppbt_ExercisePeriod_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag_lbl0" xml:lang="en-US">Cybersecurity Risk Management Processes Integrated [Flag]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementProcessesIntegratedFlag" xlink:to="cyd_CybersecurityRiskManagementProcessesIntegratedFlag_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AdjustmentsForChangesInAssetsAndLiabilities_lbl1" xml:lang="en-US">Adjustments For Changes In Assets And Liabilities</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AdjustmentsForChangesInAssetsAndLiabilities" xlink:to="ppbt_AdjustmentsForChangesInAssetsAndLiabilities_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_UnrecognizedResearchAndDevelopmentExpenses_lbl1" xml:lang="en-US">Unrecognized Research And Development Expenses</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_UnrecognizedResearchAndDevelopmentExpenses" xlink:to="ppbt_UnrecognizedResearchAndDevelopmentExpenses_lbl1"/> 
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfSalesGeneralAndAdministrativeExpensesAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfSalesGeneralAndAdministrativeExpensesAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfSalesGeneralAndAdministrativeExpensesAbstract_lbl" xml:lang="en-US">Schedule Of Sales General And Administrative Expenses Abstract</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfSalesGeneralAndAdministrativeExpensesAbstract" xlink:to="ppbt_ScheduleOfSalesGeneralAndAdministrativeExpensesAbstract_lbl"/> 
    <loc xlink:type="locator" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract" xlink:href="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd#cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract_lbl" xml:lang="en-US">Cybersecurity Risk Management, Strategy, and Governance [Abstract]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract" xlink:to="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_OtherCurrencyMember_lbl0" xml:lang="en-US">Other Currency [Member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_OtherCurrencyMember" xlink:to="srt_OtherCurrencyMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_CapitalReserveFromTransactionsWithNon-ControllingInterest_lbl1" xml:lang="en-US">Capital Reserve From Transactions With Non- Controlling Interest</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CapitalReserveFromTransactionsWithNon-ControllingInterest" xlink:to="ppbt_CapitalReserveFromTransactionsWithNon-ControllingInterest_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_CapitalReserveFromTransactionsWithRelatedPartiesMember_lbl0" xml:lang="en-US">Capital Reserve From Transactions With Related Parties Member</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CapitalReserveFromTransactionsWithRelatedPartiesMember" xlink:to="ppbt_CapitalReserveFromTransactionsWithRelatedPartiesMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DisclosureOfOtherCurrentAssettextBlock_lbl1" xml:lang="en-US">Disclosure Of Other Current Assettext Block</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfOtherCurrentAssettextBlock" xlink:to="ppbt_DisclosureOfOtherCurrentAssettextBlock_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_lbl0" xml:lang="en-US">Disclosure of share-based payment arrangements [text block]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:to="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToAbstract_lbl0" xml:lang="en-US">Profit (loss), attributable to [abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToAbstract" xlink:to="ifrs-full_ProfitLossAttributableToAbstract_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DownRangeOneMember_lbl0" xml:lang="en-US">Down Range One Member</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DownRangeOneMember" xlink:to="ppbt_DownRangeOneMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AggregateWarrantsShares_lbl1" xml:lang="en-US">Aggregate Warrants Shares</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AggregateWarrantsShares" xlink:to="ppbt_AggregateWarrantsShares_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PreFundExercisePriceWarrants_lbl1" xml:lang="en-US">Pre Fund Exercise Price Warrants</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreFundExercisePriceWarrants" xlink:to="ppbt_PreFundExercisePriceWarrants_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DepositaryShares_lbl1" xml:lang="en-US">Depositary Shares</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DepositaryShares" xlink:to="ppbt_DepositaryShares_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssuedCapital_lbl0" xml:lang="en-US">Issued capital</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssuedCapital" xlink:to="ifrs-full_IssuedCapital_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_CurrentAsset_lbl1" xml:lang="en-US">Current Asset</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_CurrentAsset" xlink:to="ppbt_CurrentAsset_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_UpRangeOneMember_lbl0" xml:lang="en-US">Up Range One Member</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_UpRangeOneMember" xlink:to="ppbt_UpRangeOneMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinanceCostExplanatory_lbl0" xml:lang="en-US">Disclosure of finance cost [text block]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:to="ifrs-full_DisclosureOfFinanceCostExplanatory_lbl0"/>     
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfDetailsRegardingFairValueMeasurementAbstract"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementAbstract_lbl" xml:lang="en-US">Schedule Of Details Regarding Fair Value Measurement Abstract</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementAbstract" xlink:to="ppbt_ScheduleOfDetailsRegardingFairValueMeasurementAbstract_lbl"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_lbl0" xml:lang="en-US">Description of accounting policy for share-based payment transactions [text block]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="currency_USD_lbl0" xml:lang="en-US">United States of America, Dollars</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="currency_USD" xlink:to="currency_USD_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DisclosureOfDetailedInformationAboutEmployeeBenefitsExplanatoryTableTextBlock_lbl1" xml:lang="en-US">Disclosure Of Detailed Information About Employee Benefits Explanatory Table Text Block</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutEmployeeBenefitsExplanatoryTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutEmployeeBenefitsExplanatoryTableTextBlock_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LeaseReceivablesMember_lbl0" xml:lang="en-US">Lease receivables [member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseReceivablesMember" xlink:to="ifrs-full_LeaseReceivablesMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl0" xml:lang="en-US">Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:to="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAttributableToOwnersOfParentMember_lbl0" xml:lang="en-US">Equity attributable to owners of parent [member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_EquityAttributableToOwnersOfParentMember_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FunctionalCurrency_lbl1" xml:lang="en-US">Functional Currency</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FunctionalCurrency" xlink:to="ppbt_FunctionalCurrency_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOutstandingShareOptions_lbl1" xml:lang="en-US">Number of share options outstanding in share-based payment arrangement</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOutstandingShareOptions" xlink:to="ifrs-full_NumberOfOutstandingShareOptions_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLiabilities_lbl0" xml:lang="en-US">Current liabilities</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentLiabilities_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_YissumsLicensedTechnologyMember_lbl1" xml:lang="en-US">Yissums Licensed Technology Member</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_YissumsLicensedTechnologyMember" xlink:to="ppbt_YissumsLicensedTechnologyMember_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsInterestRate_lbl0" xml:lang="en-US">Borrowings, interest rate</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsInterestRate" xlink:to="ifrs-full_BorrowingsInterestRate_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ItemsThatWillBeTransferredToProfitOrLossAbstract_lbl0" xml:lang="en-US">Items That Will Be Transferred To Profit Or Loss Abstract</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ItemsThatWillBeTransferredToProfitOrLossAbstract" xlink:to="ppbt_ItemsThatWillBeTransferredToProfitOrLossAbstract_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfessionalFeesExpense_lbl1" xml:lang="en-US">Professional fees expense</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfessionalFeesExpense" xlink:to="ifrs-full_ProfessionalFeesExpense_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WarrantsMember_lbl1" xml:lang="en-US">Warrants [member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WarrantsMember" xlink:to="ifrs-full_WarrantsMember_lbl1"/>     
    <loc xlink:type="locator" xlink:label="ifrs-full_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US">Statement of cash flows [abstract]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfCashFlowsAbstract" xlink:to="ifrs-full_StatementOfCashFlowsAbstract_lbl"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl0" xml:lang="en-US">Property, plant and equipment</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipment" xlink:to="ifrs-full_PropertyPlantAndEquipment_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl0" xml:lang="en-US">Cybersecurity Risk Management Positions or Committees Responsible [Text Block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RightofuseAssets_lbl2" xml:lang="en-US">Right-of-use assets</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RightofuseAssets" xlink:to="ifrs-full_RightofuseAssets_lbl2"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DescriptionOfOptionLifeShareOptionGranted_lbl1" xml:lang="en-US">Description Of Option Life Share Option Granted</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DescriptionOfOptionLifeShareOptionGranted" xlink:to="ppbt_DescriptionOfOptionLifeShareOptionGranted_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_lbl0" xml:lang="en-US">Disclosure of financial instruments [text block]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ShortTermDepositsGuaranteedForHedgingTransactions_lbl1" xml:lang="en-US">Short Term Deposits Guaranteed For Hedging Transactions</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShortTermDepositsGuaranteedForHedgingTransactions" xlink:to="ppbt_ShortTermDepositsGuaranteedForHedgingTransactions_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_OtherPayablesMember_lbl0" xml:lang="en-US">Other Payables Member</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OtherPayablesMember" xlink:to="ppbt_OtherPayablesMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SellingGeneralAndAdministrativeExpense_lbl1" xml:lang="en-US">Selling, general and administrative expense</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:to="ifrs-full_SellingGeneralAndAdministrativeExpense_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentGovernmentGrants_lbl0" xml:lang="en-US">Current government grants</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentGovernmentGrants" xlink:to="ifrs-full_CurrentGovernmentGrants_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssueOfConvertibleInstruments_lbl0" xml:lang="en-US">Issue of convertible instruments</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssueOfConvertibleInstruments" xlink:to="ifrs-full_IssueOfConvertibleInstruments_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FairValueMeasurementIssuanceProceed_lbl1" xml:lang="en-US">Fair Value Measurement Issuance Proceed</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementIssuanceProceed" xlink:to="ppbt_FairValueMeasurementIssuanceProceed_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustedWeightedAverageShares_lbl0" xml:lang="en-US">Weighted average number of ordinary shares used in calculating diluted earnings per share</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustedWeightedAverageShares" xlink:to="ifrs-full_AdjustedWeightedAverageShares_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SharePremiumMember_lbl0" xml:lang="en-US">Share premium [member]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SharePremiumMember" xlink:to="ifrs-full_SharePremiumMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_lbl1" xml:lang="en-US">Risk free interest rate, share options granted</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReserveOfSharebasedPaymentsMember_lbl0" xml:lang="en-US">Reserve of share-based payments [member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:to="ifrs-full_ReserveOfSharebasedPaymentsMember_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentInvestments_lbl0" xml:lang="en-US">Current investments</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentInvestments" xlink:to="ifrs-full_CurrentInvestments_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentLiabilities_lbl0" xml:lang="en-US">Non-current liabilities</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilities" xlink:to="ifrs-full_NoncurrentLiabilities_lbl0"/>    
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfAssumptionsWereUsedAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfAssumptionsWereUsedAbstract"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfAssumptionsWereUsedAbstract_lbl" xml:lang="en-US">Schedule Of Assumptions Were Used Abstract</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfAssumptionsWereUsedAbstract" xlink:to="ppbt_ScheduleOfAssumptionsWereUsedAbstract_lbl"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DiagnosticProductsMember_lbl0" xml:lang="en-US">Diagnostic Products Member</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DiagnosticProductsMember" xlink:to="ppbt_DiagnosticProductsMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl0" xml:lang="en-US">Comprehensive income, attributable to non-controlling interests</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl0" xml:lang="en-US">Purchase of property, plant and equipment, classified as investing activities</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_OfferingPricePerShare_lbl1" xml:lang="en-US">Offering Price Per Share</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OfferingPricePerShare" xlink:to="ppbt_OfferingPricePerShare_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ForTheYearEndedDecember312024Abstract_lbl0" xml:lang="en-US">For The Year Ended December312024 Abstract</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ForTheYearEndedDecember312024Abstract" xlink:to="ppbt_ForTheYearEndedDecember312024Abstract_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_lbl0" xml:lang="en-US">Disclosure of cash and cash equivalents [text block]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:to="ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag_lbl0" xml:lang="en-US">Cybersecurity Risk Management Positions or Committees Responsible [Flag]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag" xlink:to="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_SalesAgreementShares_lbl1" xml:lang="en-US">Sales Agreement Shares</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_SalesAgreementShares" xlink:to="ppbt_SalesAgreementShares_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_BoardOfDirectorsMember_lbl0" xml:lang="en-US">Board Of Directors Member</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_BoardOfDirectorsMember" xlink:to="ppbt_BoardOfDirectorsMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_WarrantExercisePricePerShare_lbl1" xml:lang="en-US">Warrant Exercise Price Per Share</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_WarrantExercisePricePerShare" xlink:to="ppbt_WarrantExercisePricePerShare_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ConvertibleWarrants_lbl1" xml:lang="en-US">Convertible Warrants</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ConvertibleWarrants" xlink:to="ppbt_ConvertibleWarrants_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables_lbl0" xml:lang="en-US">Adjustments for increase (decrease) in other operating payables</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ReceiptsOnAccountsOfWarrant_lbl1" xml:lang="en-US">Receipts On Accounts Of Warrant</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ReceiptsOnAccountsOfWarrant" xlink:to="ppbt_ReceiptsOnAccountsOfWarrant_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl0" xml:lang="en-US">Payments of lease liabilities, classified as financing activities</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory_lbl0" xml:lang="en-US">Disclosure of research and development expense [text block]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory" xlink:to="ifrs-full_DisclosureOfResearchAndDevelopmentExpenseExplanatory_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DerivativeFinancialAssets_lbl0" xml:lang="en-US">Derivative financial assets</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DerivativeFinancialAssets" xlink:to="ifrs-full_DerivativeFinancialAssets_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl0" xml:lang="en-US">Number of other equity instruments exercised or vested in share-based payment arrangement</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinancialAssetConvertibleNoteMember_lbl0" xml:lang="en-US">Financial Asset Convertible Note Member</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialAssetConvertibleNoteMember" xlink:to="ppbt_FinancialAssetConvertibleNoteMember_lbl0"/>  
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfShareCapitalAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfShareCapitalAbstract"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfShareCapitalAbstract_lbl" xml:lang="en-US">Schedule Of Share Capital Abstract</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfShareCapitalAbstract" xlink:to="ppbt_ScheduleOfShareCapitalAbstract_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BasicEarningsPerShareAbstract_lbl0" xml:lang="en-US">Basic earnings per share [abstract]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BasicEarningsPerShareAbstract" xlink:to="ifrs-full_BasicEarningsPerShareAbstract_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PreferenceSharesMember_lbl0" xml:lang="en-US">Preference shares [member]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PreferenceSharesMember" xlink:to="ifrs-full_PreferenceSharesMember_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl0" xml:lang="en-US">Comprehensive income, attributable to owners of parent</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FairValueMeasurementExercise_lbl1" xml:lang="en-US">Fair Value Measurement Exercise</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FairValueMeasurementExercise" xlink:to="ppbt_FairValueMeasurementExercise_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ADSMember_lbl1" xml:lang="en-US">ADSMember</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ADSMember" xlink:to="ppbt_ADSMember_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DisclosureOfResearchAndDevelopmentExpensesTableTextBlock_lbl1" xml:lang="en-US">Disclosure Of Research And Development Expenses Table Text Block</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfResearchAndDevelopmentExpensesTableTextBlock" xlink:to="ppbt_DisclosureOfResearchAndDevelopmentExpensesTableTextBlock_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl0" xml:lang="en-US">Cybersecurity Risk Board of Directors Oversight [Text Block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock" xlink:to="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAndLiabilities_lbl0" xml:lang="en-US">Equity and liabilities</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_EquityAndLiabilities_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AcquisitionOfSubsidiaryNetOfCashAcquired_lbl1" xml:lang="en-US">Acquisition Of Subsidiary Net Of Cash Acquired</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AcquisitionOfSubsidiaryNetOfCashAcquired" xlink:to="ppbt_AcquisitionOfSubsidiaryNetOfCashAcquired_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_AgreementLeaseTerm_lbl1" xml:lang="en-US">Agreement Lease Term</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_AgreementLeaseTerm" xlink:to="ppbt_AgreementLeaseTerm_lbl1"/>   
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfMaturityAnalysisOfTheCompanysLeaseLiabilitiesAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfMaturityAnalysisOfTheCompanysLeaseLiabilitiesAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfMaturityAnalysisOfTheCompanysLeaseLiabilitiesAbstract_lbl" xml:lang="en-US">Schedule Of Maturity Analysis Of The Companys Lease Liabilities Abstract</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfMaturityAnalysisOfTheCompanysLeaseLiabilitiesAbstract" xlink:to="ppbt_ScheduleOfMaturityAnalysisOfTheCompanysLeaseLiabilitiesAbstract_lbl"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PercentageOfExchangeRate_lbl1" xml:lang="en-US">Percentage Of Exchange Rate</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PercentageOfExchangeRate" xlink:to="ppbt_PercentageOfExchangeRate_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ShareBasedPaymentArrangementsMember_lbl0" xml:lang="en-US">Share Based Payment Arrangements Member</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ShareBasedPaymentArrangementsMember" xlink:to="ppbt_ShareBasedPaymentArrangementsMember_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SellingGeneralAndAdministrativeExpenseMember_lbl0" xml:lang="en-US">Selling, general and administrative expense [member]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SellingGeneralAndAdministrativeExpenseMember" xlink:to="ifrs-full_SellingGeneralAndAdministrativeExpenseMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_PreFundedWarant_lbl1" xml:lang="en-US">Pre Funded Warant</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_PreFundedWarant" xlink:to="ppbt_PreFundedWarant_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_EffectiveTaxRate_lbl1" xml:lang="en-US">Effective Tax Rate</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_EffectiveTaxRate" xlink:to="ppbt_EffectiveTaxRate_lbl1"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_TerminationExercisePrice_lbl1" xml:lang="en-US">Termination Exercise Price</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_TerminationExercisePrice" xlink:to="ppbt_TerminationExercisePrice_lbl1"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets_lbl0" xml:lang="en-US">Adjustments for decrease (increase) in other current assets</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinanceIncome_lbl0" xml:lang="en-US">Finance income</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinanceIncome" xlink:to="ifrs-full_FinanceIncome_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ApplicableTaxRate_lbl0" xml:lang="en-US">Applicable tax rate</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ApplicableTaxRate" xlink:to="ifrs-full_ApplicableTaxRate_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl0" xml:lang="en-US">Cash flows from (used in) investing activities [abstract]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl0"/>    
    <loc xlink:type="locator" xlink:label="ppbt_ScheduleOfResearchAndDevelopmentExpensesAbstract" xlink:href="ppbt-20251231.xsd#ppbt_ScheduleOfResearchAndDevelopmentExpensesAbstract"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ScheduleOfResearchAndDevelopmentExpensesAbstract_lbl" xml:lang="en-US">Schedule Of Research And Development Expenses Abstract</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ScheduleOfResearchAndDevelopmentExpensesAbstract" xlink:to="ppbt_ScheduleOfResearchAndDevelopmentExpensesAbstract_lbl"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity_lbl0" xml:lang="en-US">Increase (decrease) through exercise of warrants, equity</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:to="ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_OrdinaryShareMember_lbl0" xml:lang="en-US">Ordinary Share Member</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_OrdinaryShareMember" xlink:to="ppbt_OrdinaryShareMember_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_ResearchAndDevelopmentExpensesMember_lbl0" xml:lang="en-US">Research And Development Expenses Member</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_ResearchAndDevelopmentExpensesMember" xlink:to="ppbt_ResearchAndDevelopmentExpensesMember_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock_lbl1" xml:lang="en-US">Disclosure Of Detailed Information About Noncontrolling Interests Table Text Block</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock" xlink:to="ppbt_DisclosureOfDetailedInformationAboutNoncontrollingInterestsTableTextBlock_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_lbl0" xml:lang="en-US">Description of accounting policy for income tax [text block]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForFinanceIncome_lbl0" xml:lang="en-US">Adjustments for finance income</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForFinanceIncome" xlink:to="ifrs-full_AdjustmentsForFinanceIncome_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfLeasesExplanatory_lbl0" xml:lang="en-US">Disclosure of leases [text block]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfLeasesExplanatory" xlink:to="ifrs-full_DisclosureOfLeasesExplanatory_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl0" xml:lang="en-US">Post-employment benefit expense in profit or loss</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:to="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments_lbl1" xml:lang="en-US">Adjustments for share-based payments</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="ifrs-full_AdjustmentsForSharebasedPayments_lbl1"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_lbl0" xml:lang="en-US">Disclosure of other current assets [text block]</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_FinancialAssetAndLiabilitiesAbstract0_lbl0" xml:lang="en-US">Financial Asset And Liabilities Abstract0</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_FinancialAssetAndLiabilitiesAbstract0" xlink:to="ppbt_FinancialAssetAndLiabilitiesAbstract0_lbl0"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_lbl0" xml:lang="en-US">Disclosure of fair value of financial instruments [text block]</label>    
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_lbl0" xml:lang="en-US">Description of accounting policy for financial instruments [text block]</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_BiopharmaceuticalProductMember_lbl0" xml:lang="en-US">Biopharmaceutical Product Member</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_BiopharmaceuticalProductMember" xlink:to="ppbt_BiopharmaceuticalProductMember_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppbt_VestingPeriod_lbl1" xml:lang="en-US">Vesting Period</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppbt_VestingPeriod" xlink:to="ppbt_VestingPeriod_lbl1"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_lbl1" xml:lang="en-US">Disclosure of effect of changes in foreign exchange rates [text block]</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:to="ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_lbl1"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl0" xml:lang="en-US">Cash flows from (used in) financing activities</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl0"/>   
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WarrantLiability_lbl1" xml:lang="en-US">Warrant liability</label> 
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WarrantLiability" xlink:to="ifrs-full_WarrantLiability_lbl1"/>    
    <loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsAbstract"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsAbstract_lbl" xml:lang="en-US">Disclosure of detailed information about financial instruments [abstract]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsAbstract_lbl"/> 
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory_lbl0" xml:lang="en-US">Disclosure of changes in accounting policies [text block]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory" xlink:to="ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WagesAndSalaries_lbl0" xml:lang="en-US">Wages and salaries, operating</label>   
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WagesAndSalaries" xlink:to="ifrs-full_WagesAndSalaries_lbl0"/>    
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromContinuingOperations_lbl0" xml:lang="en-US">Profit (loss) from continuing operations</label>  
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromContinuingOperations" xlink:to="ifrs-full_ProfitLossFromContinuingOperations_lbl0"/>     
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotLaterThanOneYearMember_lbl0" xml:lang="en-US">Not later than one year [member]</label>     
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotLaterThanOneYearMember" xlink:to="ifrs-full_NotLaterThanOneYearMember_lbl0"/>  
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory_lbl0" xml:lang="en-US">Disclosure of maturity analysis of operating lease payments [text block]</label>   
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