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DIGITAL.CSIC
Conference object . 2011 . Peer-reviewed
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Characterization and differentiation of seven Vinhos verdes grape varieties on the basis of the monoterpenic and C13-norisoprenoid compounds

Authors: Genisheva, Zlatina Asenova; Vilanova, Mar; Oliveira, J. M.;

Characterization and differentiation of seven Vinhos verdes grape varieties on the basis of the monoterpenic and C13-norisoprenoid compounds

Abstract

[FR] Les profils aromatiques des 7 cépages recommandés pour la production de Vinho Verde ont été établis en ce qui concerne les C13-norisoprenoïdes et les composés monoterpéniques, trouvés dans les deux fractions de l´arôme, livre et glycosillée. Dix-huit monoterpènes ont été identifiés et quantifiées, dans la fraction libre, et d’autres 22 attachés à des glycosides. Quinze C13-norisoprenoïdes ont été identifiés et quantifiés dans la fraction glycosillée. Le cépage Loureiro peut facilement être différencié des autres 6 variétés par les niveaux importants de linalol dans la fraction libre, au-dessus du seuil de perception olfactive; par contre, le geraniol prédomine pour Alvarinho, Avesso, Arinto, Azal et Trajadura. Le cépage Batoca a montré un très pauvre profil monoterpénique dans la fraction libre. Pour la fraction glycosillée, le cépage Alvarinho est le plus riche, en ce qui concerne la concentration totale en composés monoterpéniques ; le Loureiro est le deuxième cépage plus riche.

[EN] The aromatic profiles of the 7 recommended cultivars for Vinho Verde wine production have been established with respect to monoterpenic and C13-norisoprenoids compounds, present either in free or in glycosidically bound fractions. Eighteen monoterpenic compounds have been identified and quantified in the free form and 22 in the glycosidically bound form. Fifteen C13-norisoprenoids compounds have been identified and quantified in the glycosidically bound form. Loureiro variety can be easily differentiating from the 6 other varieties by important levels of linalool in the free fraction, above the odour perception threshold; in contrast, Alvarinho, Avesso, Arinto, Azal and Trajadura, geraniol prevails. Batoca variety showed a very poor monoterpenic profile in the free form. In the glycosidically bound form Alvarinho is the richest in total concentration of monoterpenic compounds, followed by Loureiro.

7 páginas, 3 figuras.- Trabajo presentado al Congreso celebrado en Verona (Italia) del 15 al 20 de junio de 2008.

Peer reviewed

Countries
Spain, Portugal
Keywords

Vinho Verde wine, Vitis vinifera L., Aromatic profiles, Monoterpenic compounds

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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