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Ancient olive trees as a source of olive oils rich in phenolic compounds

2019Journal article Open access
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dc.contributor.authorRodrigues, Nuno
dc.contributor.authorCasal, Susana
dc.contributor.authorPinho, Teresa
dc.contributor.authorPeres, António M.
dc.contributor.authorBento, Albino
dc.contributor.authorBaptista, Paula
dc.contributor.authorPereira, J.A.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2019-02-04T17:04:04Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2019-02-04T17:04:04Z
dc.date.issued2019
dc.description.abstractOlive oil phenolic compounds are receiving increased attention due to its influence on sensory characteristics and to scientific evidences of positive health effects. In this work, 28 ancient olive trees were selected and, during four consecutive seasons (2014–2017), oils were extracted and their phenolic fraction characterized. Hydroxytyrosol and tyrosol secoiridoids were the predominant groups, with contents between 32 and 496 mg of tyrosol equivalents/kg. Based on principal component analysis it could be concluded that the individual phenolic contents enabled the unsupervised grouping of olive oils by crop year. Furthermore, linear discriminant analysis allowed achieving sensitivities greater than 90%. It was shown that some specimens consistently allowed obtaining oils with high phenolic contents (≥500 mg tyrosol equivalents/kg). The identification of centenarian specimens for breeding based on their potential to produce oils with high levels of healthy compounds is of utmost interest, contributing to preserve the genetic heritage.
dc.description.sponsorshipThis work was financially supported by Strategic Project PEst-OE/ AGR/UI0690/2014 (CIMO), Project UID/QUI/50006/2013 (REQUIMTE-LAQV); and Project POCI-01-0145-FEDER-006984 (Associate Laboratory LSRE-LCM); all funded by Fundo Europeu de Desenvolvimento Regional (FEDER) through COMPETE2020-Programa Operacional Competitividade e Internacionalização (POCI) and by national funds through Fundação para a Ciência e a Tecnologia (FCT), Portugal. This work was also supported by PRODER project OliveOld – Identificação e caraterização de oliveiras centenárias para obtenção de produtos diferenciados” n° 53988. Nuno Rodrigues thanks FCT, POPHQREN and FSE for the Ph.D. Grant (SFRH/BD/104038/2014).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationRodrigues, Nuno; Casal, Susana; Pinho, Teresa; Peres, António M.; Bento, Albino; Baptista, Paula; Pereira, J.A. (2019). Ancient olive trees as a source of olive oils rich in phenolic compounds. Food Chemistry. ISSN 0308-8146. 276, p. 231-239en_EN
dc.identifier.doi10.1016/j.foodchem.2018.09.106en_EN
dc.identifier.issn0308-8146
dc.identifier.urihttp://hdl.handle.net/10198/18689
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationPOCI-01-0145-FEDER-006984
dc.relationCharacterization of wild and ancient olive trees for its valorization”
dc.subjectCrop yearen_EN
dc.subjectHealth claimsen_EN
dc.subjectOlive heritageen_EN
dc.subjectPhenolic compoundsen_EN
dc.titleAncient olive trees as a source of olive oils rich in phenolic compoundsen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCharacterization of wild and ancient olive trees for its valorization”
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F104038%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F50006%2F2013/PT
oaire.fundingStream5876
person.familyNameRodrigues
person.familyNamePeres
person.familyNameBento
person.familyNameBaptista
person.familyNamePereira
person.givenNameNuno
person.givenNameAntónio M.
person.givenNameAlbino
person.givenNamePaula
person.givenNameJosé Alberto
person.identifier107333
person.identifier.ciencia-idF41D-B424-5F78
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person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.orcid0000-0002-9305-0976
person.identifier.orcid0000-0001-6595-9165
person.identifier.orcid0000-0001-5215-785X
person.identifier.orcid0000-0001-6331-3731
person.identifier.orcid0000-0002-2260-0600
person.identifier.ridI-8470-2012
person.identifier.ridN-9706-2016
person.identifier.ridL-6798-2014
person.identifier.scopus-author-id55258560600
person.identifier.scopus-author-id7102331969
person.identifier.scopus-author-id35247694000
person.identifier.scopus-author-id14051688000
person.identifier.scopus-author-id57204366348
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
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
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