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Electronic nose: a tool to verify the PDO declaration of Portuguese olive oils

2024Journal article Open access
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dc.contributor.authorRodrigues, Nuno
dc.contributor.authorFerreiro, Nuno Manuel
dc.contributor.authorRuano, Daniela Filipa Magalhães
dc.contributor.authorDias, Francisco
dc.contributor.authorVeloso, Ana C.A.
dc.contributor.authorPereira, J.A.
dc.contributor.authorPeres, António M.
dc.date.accessioned2024-05-14T09:16:04Z
dc.date.available2024-05-14T09:16:04Z
dc.date.issued2024
dc.description.abstractThe volatile and olfactory profiles of three Portuguese olive oils with protected designations of origin (PDO) were studied: "Azeite do Alentejo Interior", "Azeites da Beira Interior", and "Azeite de Tras-os-Montes". Seven classes of volatiles were identified, with aldehydes, followed by hydrocarbons and alcohols, the most prevalent (5.63, 2.92, and 2.79 mg/kg olive oil, respectively). The "Azeites da Beira Interior" oils exhibited the highest amount of volatiles (18.2 +/- 4.6 mg/kg olive oil) compared to the oils from the other two PDOs. Ten positive olfactory sensations were detected, and a significant effect of the PDO on the intensities of fruity, apple, cabbage, tomato, dry and fresh herbs was observed. Specifically, "Azeite do Alentejo Interior" PDO oils were characterized as fruity-ripe, while "Azeite de Tras-os-Montes" PDO oils were labelled as fruity-green. Conversely, "Azeites da Beira Interior" PDO oils encompassed both fruity-ripe and fruity-green oils. Unique volatile and olfactory fingerprints were established for each PDO, allowing the linear discrimination of the oils according to the PDO, with a predictive sensitivity of 98.0 +/- 4.2% (repeated K-fold-CV). Furthermore, a lab-made electronic nose successfully discriminated the studied oils based on the PDO, with a predictive accuracy of 99.7 +/- 2.0% (repeated K-fold-CV). This device also allowed predicting the concentrations of the three main volatile classes found in the oils through multiple linear regression models (R2 >= 0.923 +/- 0.101 and RMSE <= 1.32 +/- 0.72 mg/kg oil; repeated K-fold-CV). These findings underscore the potential of the electronic nose as a reliable traceability tool to authenticate the PDO declaration of Portuguese olive oils, and broaden its use beyond non-PDO oils from a specific geographical area to encompass a national scale.pt_PT
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support by national funds FCT/MCTES (PIDDAC) to CIMO (UIDB/00690/2020, https://doi.org/10.54499/UIDB/00690/2020; and UIDP/00690/2020, https://doi.org/10.54499/UIDP/00690/2020) and CEB (UIDB/04469/2020) units as well as to the Associate Laboratory SusTEC (LA/P/0007/2020, https://doi.org/10.54499/LA/P/0007/2020). The authors are also grateful to the "Project OLIVE4ALL-Olive Heritage for Sustainable Development: Raising Community Awareness of Living Heritage" (ref. JPICH/0001/2020, https://doi.org/10.54499/JPICH/0001/2020), financed by FCT (Portugal). Nuno Rodrigues thanks the FCT- Foundation for Science and Technology, P.I., for the National funding through the institutional program contract for scientific employment. Nuno Ferreiro also acknowledges the Ph.D. research grant (2022.10072.BD) provided by FCT.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRodrigues, Nuno; Ferreiro, Nuno; Ruano, Daniela; Dias, Francisco; Veloso, Ana C.A.; Pereira, J.A.; Peres, António M. (2024). Electronic nose: a tool to verify the PDO declaration of Portuguese olive oils. Journal of Food Measurement and Characterization. ISSN 2193-4126. 18:4, p. 2952-2964pt_PT
dc.identifier.doi10.1007/s11694-024-02374-4pt_PT
dc.identifier.eissn2193-4134
dc.identifier.issn2193-4126
dc.identifier.urihttp://hdl.handle.net/10198/29764
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationMountain Research Center
dc.relationMountain Research Center
dc.relationCentre of Biological Engineering of the University of Minho
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
dc.relationExtra virgin olive oil shelf-life prediction based on an integrated approach from farm to fork
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectChemometricspt_PT
dc.subjectGeographical originpt_PT
dc.subjectGas sensorspt_PT
dc.subjectSensory panelpt_PT
dc.subjectVolatile profilept_PT
dc.titleElectronic nose: a tool to verify the PDO declaration of Portuguese olive oilspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleMountain Research Center
oaire.awardTitleCentre of Biological Engineering of the University of Minho
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
oaire.awardTitleExtra virgin olive oil shelf-life prediction based on an integrated approach from farm to fork
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04469%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0007%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Concurso de 2020 da JPI CH “Cultural Heritage, Identities & Perspectives: Responding to Changing Societies”/JPICH%2F0001%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_NORTE/2022.10072.BD/PT
oaire.citation.endPage2964pt_PT
oaire.citation.issue4pt_PT
oaire.citation.startPage2952pt_PT
oaire.citation.titleJournal of Food Measurement and Characterizationpt_PT
oaire.citation.volume18pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamConcurso de 2020 da JPI CH “Cultural Heritage, Identities & Perspectives: Responding to Changing Societies”
oaire.fundingStreamPOR_NORTE
person.familyNameRodrigues
person.familyNamePereira
person.familyNamePeres
person.givenNameNuno
person.givenNameJosé Alberto
person.givenNameAntónio M.
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person.identifier.ciencia-idCF16-5443-F420
person.identifier.orcid0000-0002-9305-0976
person.identifier.orcid0000-0002-2260-0600
person.identifier.orcid0000-0001-6595-9165
person.identifier.ridL-6798-2014
person.identifier.ridI-8470-2012
person.identifier.scopus-author-id55258560600
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project.funder.identifierhttp://doi.org/10.13039/501100001871
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project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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