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Estimating hydroxytyrosol-tyrosol derivatives amounts in cv. Cobrançosa olive oils based on the electronic tongue analysis of olive paste extracts

2021Journal article Open access
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dc.contributor.authorMarx, Ítala
dc.contributor.authorCasal, Susana
dc.contributor.authorRodrigues, Nuno
dc.contributor.authorVeloso, Ana C.A.
dc.contributor.authorPereira, J.A.
dc.contributor.authorPeres, António M.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2021-11-23T11:15:46Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2021-11-23T11:15:46Z
dc.date.issued2021
dc.description.abstractThe estimation of hydroxytyrosol-tyrosol derivatives amounts in olive oils through the analysis of olive pastes collected during malaxation is of utmost relevance due to the relationship with the oils' health claim regarding the protection of blood lipids from oxidative stress. Olive pastes were collected during the industrial extraction of cv. Cobrançosa oils (0–60 min; 22–34 °C). Total phenolic contents of pastes' extracts were assessed (2800–5400 mg GAE/kg paste). Oils were laboratory-extracted from each paste and, after acid hydrolysis, the contents of hydroxytyrosol and tyrosol derivatives as their sum were determined (25–135, 62–120 and 68–255 mg/kg oil). Olive paste extracts were analyzed with a lab-made potentiometric electronic tongue. The device enabled estimating the total phenolic contents of the pastes (internal-validation: correlation coefficient ≥ 0.86, root mean square error ≤ 392 mg GAE/kg). Moreover, the electronic tongue allowed a more satisfactory indirect estimation of the total secoiridoids derivatives amounts of the oils (internal-validation: correlation coefficient ≥ 0.91, root mean square error ≤ 25 mg/kg), based on the olive pastes' potentiometric profiles, without requiring the oils’ posteriori invasive/destructive analysis. Thus, the electronic tongue could be foreseen as a potential tool for anticipating the health claim fulfilment during oils industrial extraction.en_EN
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support by national funds FCT/ MCTES to CIMO (UIDB/00690/2020), to CEB (UIDB/04469/2020), to REQUIMTE-LAQV (UIDB/50006/2020) and to BioTecNorte operation (NORTE-01-0145-FEDER-000004) funded by the European Regional Development Fund under the scope of Norte2020 - Programa Operacional Regional do Norte. Ítala Marx acknowledges the Ph.D. research grant (SFRH/BD/137283/2018) provided by FCT. Nuno Rodrigues thanks the National funding by FCT- Foundation for Science and Technology, P.I., through the institutional scientific employment program contract.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationMarx, Ítala M.G.; Casal, Susana; Rodrigues, Nuno; Veloso, Ana C.A.; Pereira, José A.; Peres, António M. (2021). Estimating hydroxytyrosol-tyrosol derivatives amounts in cv. Cobrançosa olive oils based on the electronic tongue analysis of olive paste extracts. LWT - Food Science and Technology. ISSN 0023-6438. 147, p. 1-8en_EN
dc.identifier.doi10.1016/j.lwt.2021.111542en_EN
dc.identifier.issn0023-6438
dc.identifier.urihttp://hdl.handle.net/10198/24321
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationMountain Research Center
dc.relationCentre of Biological Engineering of the University of Minho
dc.relationAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
dc.relationImprovement of olive oil flavor and bioactive composition by optimizing industrial extraction using taste sensor devices
dc.subjectHealth claimen_EN
dc.subjectLipid sensor membranesen_EN
dc.subjectMultiple linear regressionen_EN
dc.subjectNon-invasive indirect olive oil evaluationen_EN
dc.subjectPotentiometric profilesen_EN
dc.titleEstimating hydroxytyrosol-tyrosol derivatives amounts in cv. Cobrançosa olive oils based on the electronic tongue analysis of olive paste extractsen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleCentre of Biological Engineering of the University of Minho
oaire.awardTitleAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
oaire.awardTitleImprovement of olive oil flavor and bioactive composition by optimizing industrial extraction using taste sensor devices
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%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/UIDB%2F50006%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_NORTE/SFRH%2FBD%2F137283%2F2018/PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamPOR_NORTE
person.familyNameMarx
person.familyNameRodrigues
person.familyNamePereira
person.familyNamePeres
person.givenNameÍtala
person.givenNameNuno
person.givenNameJosé Alberto
person.givenNameAntónio M.
person.identifier1676851
person.identifier107333
person.identifier.ciencia-id2717-C420-DEAE
person.identifier.ciencia-idF41D-B424-5F78
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.ciencia-idCF16-5443-F420
person.identifier.orcid0000-0002-7049-2114
person.identifier.orcid0000-0002-9305-0976
person.identifier.orcid0000-0002-2260-0600
person.identifier.orcid0000-0001-6595-9165
person.identifier.ridGLV-5485-2022
person.identifier.ridL-6798-2014
person.identifier.ridI-8470-2012
person.identifier.scopus-author-id57191503603
person.identifier.scopus-author-id55258560600
person.identifier.scopus-author-id57204366348
person.identifier.scopus-author-id7102331969
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
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.rightsopenAccessen_EN
rcaap.typearticleen_EN
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