Repository logo
 
Publication

Effects of irrigation and collection period on grapevine leaf (Vitis vinifera L. var. Touriga Nacional): Evaluation of the phytochemical composition and antioxidant properties

2019Journal article Open access
Simple item page
dc.contributor.authorBarreales, David
dc.contributor.authorMalheiro, Ricardo
dc.contributor.authorPereira, J.A.
dc.contributor.authorAndrade, João Verdial
dc.contributor.authorBento, Albino
dc.contributor.authorCasquero, Pedro Antonio
dc.contributor.authorRibeiro, A.C.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2019-01-28T11:52:38Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2019-01-28T11:52:38Z
dc.date.issued2019
dc.description.abstractThe cultivation of grapevines (Vitis vinifera L.) has extended worldwide, with great economic importance. From this crop, we can obtain grapes for fresh consumption, raisins, juices, wine, and other derived products. The cultivation of grapevines also generates some byproducts, such as seeds, skins, wood and leaves. The leaves can be removed from the plant, as is common agricultural practice, to improve the production and quality of the grapes at certain periods in the crop cycle. In the present work, the phytochemical composition (total phenols content, hydroxycinnamic acids derivatives and flavonols) and antioxidant potential (reducing power, ABTS and DPPH radical scavenging capacity) of grapevine leaves from cv. Touriga Nacional were evaluated. The studied cultivar was under three severities of regulated deficit irrigation (RDI60, RDI40, and RDI20; providing 60, 40 and 20% of reference evapotranspiration, respectively) and non-irrigation (NI; exclusively rain-fed), in a vineyard located in the Demarcated Douro Region (Portugal). The leaves were collected at three different phenological stages: veraison, maturation, and grape harvest. For the first time, the interactions between different irrigation regimes and the collection period were evaluated on grapevine leaves. The results obtained for the phytochemical composition revealed that increasing irrigation reduced total phenols content, hydroxycinnamic acids derivatives, and flavonols in all of the phenological stages studied. For instance, compared to that of the control treatment (NI), the total phenols content reduced 19% in RDI20 (from 189 mg GAE g−1 to 153 mg GAE g−1), 28% in RDI40 (136 mg GAE g−1), and 33% in RDI60 (127 mg GAE g−1). The antioxidant activity suffered a reduction when the irrigation amount was increased for all assays. Additionally, the antioxidant activity suffered a reduction over time, presenting higher values in veraison. For harvest sampling, the loss of antioxidant activity was more notable, with EC50 values varying between 0.092 mg mL−1 (NI) and 0.187 mg mL−1 (RDI60). Altogether, the results suggest that grapevine leaves are a potential source of natural compounds with valuable antioxidant properties that could be explored by the pharmaceutical, chemical and food industries.
dc.description.sponsorshipThe authors wish to thank the financial support provided to David Barreales (research grant SFRH/BD/139393/2018) by the Portuguese Foundation for Science and Technology (FCT, Portugal) and to the financial support provided to the DOUROZONE project – Risco de exposição ao ozono para a vinha Duriense em clima atual e futuro (PTDC/AAG-MAA/3335/2014; POCI-01-0145-FEDER-016778) funded by the FCT/MCTES (PIDDAC) and co-funded by the Fundo Europeu de Desenvolvimento Regional (FEDER) through COMPETE – Programa Operacional Fatores de Competitividade (POFC) . The authors thank to the Soc. Clemente Menéres Lda. (Menéres Family Estate) for allowing this research activity in its vineyard.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationBarreales, David; Malheiro, Ricardo; Pereira, J.A.; Andrade, João Verdial; Bento, Albino; Casquero, Pedro Antonio; Ribeiro, A.C. (2019). Effects of irrigation and collection period on grapevine leaf (Vitis vinifera L. var. Touriga Nacional): Evaluation of the phytochemical composition and antioxidant properties. Scientia Horticulturae. ISSN 0304-4238. 245, p. 74-81en_EN
dc.identifier.doi10.1016/j.scienta.2018.09.073en_EN
dc.identifier.issn0304-4238
dc.identifier.urihttp://hdl.handle.net/10198/11275
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationPOCI-01-0145-FEDER-016778
dc.subjectDeficit irrigationen_EN
dc.subjectLeavesen_EN
dc.subjectTotal antioxidant capacityen_EN
dc.subjectVitis vinifera L.en_EN
dc.titleEffects of irrigation and collection period on grapevine leaf (Vitis vinifera L. var. Touriga Nacional): Evaluation of the phytochemical composition and antioxidant propertiesen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FAAG-MAA%2F3335%2F2014/PT
oaire.fundingStream9471 - RIDTI
person.familyNameBarreales
person.familyNameMalheiro
person.familyNamePereira
person.familyNameVerdial Andrade
person.familyNameBento
person.familyNameCastro Ribeiro
person.givenNameDavid
person.givenNameRicardo
person.givenNameJose Alberto
person.givenNameJoão Luís
person.givenNameAlbino António
person.givenNameAntónio
person.identifier.ciencia-idFA16-8DE7-6968
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.ciencia-idD516-325A-9AD7
person.identifier.ciencia-id9D19-E833-BE97
person.identifier.orcid0000-0002-8425-0167
person.identifier.orcid0000-0002-7342-0511
person.identifier.orcid0000-0002-2260-0600
person.identifier.orcid0000-0002-5809-413X
person.identifier.orcid0000-0001-5215-785X
person.identifier.orcid0000-0002-8280-9027
person.identifier.ridL-6798-2014
person.identifier.ridN-9706-2016
person.identifier.scopus-author-id57202136257
person.identifier.scopus-author-id25650218300
person.identifier.scopus-author-id57204366348
person.identifier.scopus-author-id55210790800
person.identifier.scopus-author-id35247694000
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublication44d42f8e-7185-4c33-9551-66928841ce3e
relation.isAuthorOfPublication0fa7974d-abd3-444b-9a7e-16d16530a0f7
relation.isAuthorOfPublication7932162e-a2da-4913-b00d-17babbe51857
relation.isAuthorOfPublication8da5730a-fd13-4d9e-92a9-097b8156a42e
relation.isAuthorOfPublication233115be-9d46-49d0-8b7d-2d64406d64a0
relation.isAuthorOfPublicationb7ecf809-561e-40ce-86b0-603a60433710
relation.isAuthorOfPublication.latestForDiscovery7932162e-a2da-4913-b00d-17babbe51857
relation.isProjectOfPublicationa695cccb-f0a8-4aea-b65c-4f62ba5fbbdc
relation.isProjectOfPublication.latestForDiscoverya695cccb-f0a8-4aea-b65c-4f62ba5fbbdc

Files

Original bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
14.pdf
Size:
766.96 KB
Format:
Adobe Portable Document Format
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.75 KB
Format:
Plain Text
Description:
Download

Collections

CIMO - Artigos em Revistas Indexados à WoS/Scopus