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Effect of Esca disease on the phenolic and sensory attributes of Cabernet Sauvignon grapes, musts and wines

hal.structure.identifierOenologie [UMRO]
dc.contributor.authorLORRAIN, Bénédicte
hal.structure.identifierOenologie [UMRO]
dc.contributor.authorKY, Isabelle
hal.structure.identifierOenologie [UMRO]
dc.contributor.authorPASQUIER, Grégory
hal.structure.identifierOenologie [UMRO]
dc.contributor.authorJOURDES, Michael
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorGUÉRIN-DUBRANA, Lucia
hal.structure.identifierOenologie [UMRO]
dc.contributor.authorGÉNY, Laurence
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorREY, Patrice
hal.structure.identifierOenologie [UMRO]
dc.contributor.authorDONECHE, Bernard
hal.structure.identifierOenologie [UMRO]
dc.contributor.authorTEISSEDRE, Pierre Louis
dc.date.accessioned2024-04-08T12:31:15Z
dc.date.available2024-04-08T12:31:15Z
dc.date.issued2012
dc.identifier.issn1322-7130
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/197063
dc.description.abstractEn*Background and Aims : The impact of Esca, a cryptogamic disease affecting woody tissues of grapevines (trunk, branches and shoots), was investigated on phenolic and sensory qualities of Cabernet Sauvignon grapes, derived musts and wines. * Methods and Results: Global phenolic analyses revealed no major difference between healthy and affected grapes whereas high-performance liquid chromatography analyses showed decreases in the skin concentrations of catechin and epicatechin and of anthocyanins for the two vintages assessed. Proanthocyanidin characteristics, and particularly mean degree of polymerisation, were strongly decreased in skin proanthocyanidin polymeric fractions. Chemical analyses of wines made with different percentages of fruit from Esca infected grapevines confirmed the moderate impact of Esca on phenolic composition. Nevertheless, sensory analyses revealed a loss of wine sensory quality perceptible with as little as 5% of affected fruit in wines. * Conclusions: Phenolic variations in grapes and in derived wines may be related to changes to grapevine physiology caused by Esca fungi that impact on flavonoid metabolism. The chemical and sensory variations between wines can also be related to the delayed ripening delay of fruit from Esca infected grapevines. * Significance of the Study: Esca moderately affected the phenolic composition of grapes and decreased the sensory quality of wines, suggesting a dramatic increase in the economic importance of Esca if no control methods are found.
dc.language.isoen
dc.publisherWiley/Australian Society of Viticulture and Oenology
dc.subjectEsca
dc.subjectgrape
dc.subjecttotal phenolics
dc.subjectmaladie de la vigne
dc.subjectCabernet-Sauvignon
dc.subject.enanthocyanin
dc.subject.engrapevine disease
dc.subject.enmust
dc.subject.enproanthocyanidin
dc.subject.ensensory analysis
dc.subject.enwine
dc.title.enEffect of Esca disease on the phenolic and sensory attributes of Cabernet Sauvignon grapes, musts and wines
dc.typeArticle de revue
dc.identifier.doi10.1111/j.1755-0238.2011.00172.x
dc.subject.halSciences du Vivant [q-bio]/Ingénierie des aliments
dc.subject.halSciences de l'ingénieur [physics]/Génie des procédés
bordeaux.journalAustralian Journal of Grape and Wine Research
bordeaux.page64-72
bordeaux.volume18
bordeaux.hal.laboratoriesSanté et Agro-Ecologie du Vignoble (SAVE) - UMR 1065*
bordeaux.issue1
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-02647365
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02647365v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Australian%20Journal%20of%20Grape%20and%20Wine%20Research&rft.date=2012&rft.volume=18&rft.issue=1&rft.spage=64-72&rft.epage=64-72&rft.eissn=1322-7130&rft.issn=1322-7130&rft.au=LORRAIN,%20B%C3%A9n%C3%A9dicte&KY,%20Isabelle&PASQUIER,%20Gr%C3%A9gory&JOURDES,%20Michael&GU%C3%89RIN-DUBRANA,%20Lucia&rft.genre=article


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