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dc.contributor.authorBuendía, Begoña-
dc.contributor.authorAllende, Ana-
dc.contributor.authorNicolás Nicolás, Emilio-
dc.contributor.authorAlarcón Cabañero, Juan José-
dc.contributor.authorGil Muñoz, M.ª Isabel-
dc.date.accessioned2009-10-07T10:32:33Z-
dc.date.available2009-10-07T10:32:33Z-
dc.date.issued2008-05-01-
dc.identifier.citationJournal of Agricultural and Food Chemistry 56(10): 3601-3608 (2008)en_US
dc.identifier.issn0021-8561-
dc.identifier.urihttp://hdl.handle.net/10261/17519-
dc.description8 pages, 4 figures, 1 table.en_US
dc.description.abstractThe use of regulated deficit irrigation (RDI) strategies is becoming a common practice in areas with low water availability. Little information is available about the effects of RDI on the antioxidant content of fruits. In this study, the influence of RDI on the content of vitamin C, phenolic compounds and carotenoids was investigated. Two irrigation strategies, fully irrigated (FI) and RDI, were compared at two levels of thinning, commercial and half of the commercial crop load. RDI strategies affected the content of vitamin C, phenolics and carotenoids of Flordastar peaches. RDI caused fruit peel stress lowering the content of vitamin C and carotenoids, while increasing the phenolic content, mainly anthocyanins and procyanidins. Fruit weight was the only quality index influenced by the crop load as it increased in FI fruits at low crop load. In general, fruits from commercial crop load had slightly higher content of antioxidants to fruits from low crop load, although these influences were only observed in the peel. Additionally, the influence of irrigation controlled by two sensors related to plant water level, maximum daily trunk shrinkage (MDS) and sap flow (SF) on the antioxidant constituents of peaches was evaluated. The response of the fruits to SF sensor was similar to that observed for RDI strategy. According to the tested water sensors, SF did not act as a good plant-based water indicator for use in irrigation scheduling, as it caused an increase in the content of phenolics, similar to that observed for fruits subjected to RDI. Therefore, selection of RDI strategies and plant water indicators should be taken into account as they affect the content of antioxidants of peaches.en_US
dc.description.sponsorshipWe are grateful to the IRRIQUAL project (FP6-FOOD-CT-2006-023120) and CSD-67 Grant (Consolider-Ingenio 2010 Programme) for financial support.en_US
dc.format.extent259768 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherAmerican Chemical Societyen_US
dc.rightsclosedAccessen_US
dc.subjectPrunus persicaen_US
dc.subjectFlordastaren_US
dc.subjectThinningen_US
dc.subjectAnthocyaninsen_US
dc.subjectBioactive compoundsen_US
dc.subjectAscorbic aciden_US
dc.subjectCarotenoidsen_US
dc.subjectHPLCen_US
dc.subjectPhenolic compoundsen_US
dc.titleEffect of Regulated Deficit Irrigation and Crop Load on the Antioxidant Compounds of Peachesen_US
dc.typeArtículoen_US
dc.identifier.doi10.1021/jf800190f-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1021/jf800190fen_US
dc.identifier.e-issn1520-5118-
dc.contributor.funderEuropean Commission-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
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