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Influence of interannual climate conditions on the composition of olive oil from centenarian olive trees

2023Artigo científico Acesso aberto
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dc.contributor.authorBortuluzzi, Letícia Cabrera Parra
dc.contributor.authorCasal, Susana
dc.contributor.authorCruz, Rebeca
dc.contributor.authorPeres, António M.
dc.contributor.authorBaptista, Paula
dc.contributor.authorRodrigues, Nuno
dc.date.accessioned2024-02-16T15:10:16Z
dc.date.available2024-02-16T15:10:16Z
dc.date.issued2023
dc.description.abstractIn recent years, occurrences of heat waves and drought have become increasingly frequent, highlighting the undeniable impact of climate change. The rise in temperatures and decline in rainfall have had severe repercussions on olive trees’ behavior and olive oil production. This study aims to evaluate the effects of two-year climate variations on olive oils from centenarian olive trees situated in the Côa Valley region of Northern Portugal. A selection of 25 centenarian plants was made, and the climate influence on fatty acid content, tocopherols, individual phenols, oxidative stability, and antioxidant activity was assessed over two consecutive years. During the second year of the study, a significant variation (p-value < 0.05) in the proportion of palmitic acid was observed, which increased from 12.9% to 13.6%. Conversely, stearic and arachidic acids exhibited a decrease from 2.7% to 2.3% and from 0.37% to 0.35%, respectively. Analysis of the oils revealed a noteworthy difference (p-value < 0.05) in the concentration of -tocopherol. The concentration of oils derived from hydroxytyrosol and tyrosol significantly decreases (p-value < 0.005) during the second year. Additionally, significant differences (p-value < 0.005) were observed in the total phenol content and the percentage of ABTS inhibition, both of which decreased in the second year. These findings reinforce the notion that climatic conditions play a key role in shaping the composition of olive oils.pt_PT
dc.description.sponsorshipThis research was funded by Foundation for Science and Technology (FCT, Portugal) financial support from national funds FCT/MCTES to CIMO (UIDB/00690/2020 and UIDP/00690/2020), SusTEC (LA/P/0007/2020) and to LAQV/Requimte (UIDB/50006/2020 and UIDP/50006/2020); to the Project “OLIVECOA—Centennial Olive Trees in the Côa Valley Region: rediscovering the past to enhance the future” (ref.COA/BRB/0035/2019). Nuno Rodrigues and Rebeca Cruz thanks the FCT- Foundation for Science and Technology, P.I., for the National funding through the institutional program contract for scientific employment.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBortoluzzi, Letícia Cabrera Parra; Casal, Susana; Cruz, Rebeca; Peres, António M.; Baptista, Paula; Rodrigues, Nuno (2023). Influence of interannual climate conditions on the composition of olive oil from centenarian olive trees. Agronomy. ISSN 2073-4395. 13:12, p. 1-16pt_PT
dc.identifier.doi10.3390/agronomy13122884pt_PT
dc.identifier.issn2073-4395
dc.identifier.urihttp://hdl.handle.net/10198/29511
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationMountain Research Center - UIDB/00690/2020
dc.relationMountain Research Center - UIDP/00690/2020
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions - LA/P/0007/2020
dc.relationAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
dc.relationAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
dc.relationCentenarian olive trees of Côa Valley region: rediscovering the past to valorise the future
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectClimate changept_PT
dc.subjectOlive oilpt_PT
dc.subjectCompositionpt_PT
dc.subjectInterannual variationspt_PT
dc.titleInfluence of interannual climate conditions on the composition of olive oil from centenarian olive treespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/00690/2020
oaire.awardNumberUIDP/00690/2020
oaire.awardNumberLA/P/0007/2020
oaire.awardNumberUIDB/50006/2020
oaire.awardNumberUIDP/50006/2020
oaire.awardNumberCOA/BRB/0035/2019
oaire.awardTitleMountain Research Center - UIDB/00690/2020
oaire.awardTitleMountain Research Center - UIDP/00690/2020
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions - LA/P/0007/2020
oaire.awardTitleAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
oaire.awardTitleAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
oaire.awardTitleCentenarian olive trees of Côa Valley region: rediscovering the past to valorise the future
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/LA%2FP%2F0007%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50006%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50006%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/COA%2FBRB%2F0035%2F2019/PT
oaire.citation.endPage16pt_PT
oaire.citation.issue12pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleAgronomypt_PT
oaire.citation.volume13pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream3599-PPCDT
person.familyNamePeres
person.familyNameBaptista
person.familyNameRodrigues
person.givenNameAntónio M.
person.givenNamePaula
person.givenNameNuno
person.identifier107333
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person.identifier.ciencia-id7D11-FE1E-CD0F
person.identifier.ciencia-idF41D-B424-5F78
person.identifier.orcid0000-0001-6595-9165
person.identifier.orcid0000-0001-6331-3731
person.identifier.orcid0000-0002-9305-0976
person.identifier.ridI-8470-2012
person.identifier.scopus-author-id7102331969
person.identifier.scopus-author-id14051688000
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project.funder.identifierhttp://doi.org/10.13039/501100001871
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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
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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