Varietal differentiation of red wines in the Valencian region (Spain)

被引:36
作者
Aleixandre, JL [1 ]
Lizama, V [1 ]
Alvarez, I [1 ]
Gárcía, MJ [1 ]
机构
[1] Univ Politecn Valencia, Dept Tecnol Alimentos, E-46071 Valencia, Spain
关键词
differentiation; varietal red wine; discriminant analysis; chemical composition;
D O I
10.1021/jf010712o
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
Ninety-one young varietal wines from the Valencian community (Spain), made from Cabernet Sauvignon, Tempranillo, Monastrell, and Bobal grapes, were tested on the basis of 33 variables: 9 conventional parameters, 10 alcohols and polyols, and 14 esters. Discriminant analysis was used to identify and explain the differences among samples, as well as to determine whether it is possible or not to differentiate among varieties. This differentiation (100% of the samples) has been possible due to the new discriminant analysis based on only 11 main variables: total acidity, cis-3-hexenol, methanol, glycerol, 2,3-butanediol, isobutyric alcohol, 1-pentanol, acetaldehyde, ethyl propionate, ethyl decanoato, and gamma-butyrolactone, which allow differentiating 100% of the 1994 vintage and 97% of the 1995 vintage.
引用
收藏
页码:751 / 755
页数:5
相关论文
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