Abstract
The aromatic profile of monovarietal Carignan wine has been characterized, and the influence of the origin on the volatile composition wines from six different zones of Chile and from two different seasons has been studied. The solid phase microextraction conditions employed were previously studied. An extraction temperature of 45°C, 40 minutes of incubation, 1.5 g of salt and 180 seconds of fiber desorption were employed for the analysis of the 28 wine samples studied. Sixty-three volatile compounds were determined in Carignan cv. wines, and they were characterized by substantial amounts of ethyl esters and small amounts of volatile acid compounds among others. Analysis of variance results showed significant effects on the “location” factor (p < 0.05), which was corroborated by principal component analysis and linear discriminant analysis, where clear groups were observed regarding production area. The geographical origin affected the volatile composition of the studied wines and production areas closer to the Andes Mountains showed significant lower contents of esters and acids than the ones closer to the ocean.
- ©2017 by the American Society for Enology and Viticulture
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