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IVES 9 IVES Conference Series 9 Relations entre critères sensoriels et analytiques des vins et des vendanges de Cabernet franc issus de terroirs et de millésimes différents en Val de Loire. Essai de caractérisation de la typicité

Relations entre critères sensoriels et analytiques des vins et des vendanges de Cabernet franc issus de terroirs et de millésimes différents en Val de Loire. Essai de caractérisation de la typicité

Abstract

En France, la notion de Terroir a largement contribué à la réputation de nombreux vignobles. Elle a permis aussi d’accentuer la sensibilité des consommateurs, à la notion d’origine d’un produit. L’avenir de nombreux vignobles français semble lié à la capacité à innover en produisant des vins de qualité possédant en plus une typicité, aspect sensoriel susceptible de s’affirmer comme un facteur de vente auprès des futurs clients éduqués sur le plan du goût. Les facteurs naturels de production (terroirs, climat), la liaison avec le cépage traditionnel, sont les facteurs principaux de la typicité du produit.

La mise en place, en 1988, au centre I.N.R.A. d’Angers, d’une unité de recherches spécifiques et pluridisciplinaires a confirmé la nécessité d’une étude intégrée d’un tel sujet. Les travaux menés ont permis de développer une méthodologie de caractérisation à grande échelle des terroirs viticoles composés de milieux élémentaires juxtaposés, chacun d’eux étant défini par une Unité Naturelle Terroir de Base ( Morlat R. 1989, Riou C. et al. 1995).
Le but est de suivre le comportement de la vigne, son fonctionnement et de caractériser le type de vins dans des conditions agroviticoles et œnologiques déterminées.

L’analyse sensorielle est un point de passage obligatoire dans l’étude de produits alimentaires. Dans ce domaine, l’opinion d’un seul juge sur un seul aspect d’un produit n’a pas grande valeur même si elle reste néanmoins précieuse. D’où l’utilisation de jurys importants conduisant à des données nombreuses dont l’analyse nécessite d’utiliser des méthodes statistiques.
Le but du présent travail est de mettre en relation ces données avec des caractéristiques analytiques des vendanges et des vins de Cabernet franc issus d’une gamme de terroirs rencontrés en Moyenne Vallée de la Loire de quatre millésimes différents. La recherche de méthodes objectives est un souci majeur et c’est dans ce sens que les statistiques multidimensionnelles apportent leur concours (Escofïer et Pages, 1988).

DOI:

Publication date: March 25, 2022

Issue: Terroir 1996

Type : Poster

Authors

D. DUC (1), C. ASSELIN (1), J. PAGES (2), R. MORLAT (1)

(1) U.R.V.V. I.N.R.A. Angers
42, rue Georges Morel, B.P. 57, 49071 Beaucouzé cedex
(2) Ecole Nationale Supérieure Agronomique
65, rue de Saint-Brieuc, 35000 Rennes

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IVES Conference Series | Terroir 1996

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