Sensory and analytical study of rose sparkling wines manufactured by second fermentation in the bottle.

J Agric Food Chem

Instituto Madrileño de Investigación Agraria y Alimentaria (IMIA), Finca El Encín, Apartado 127, 28800 Alcalá de Henares, Madrid, Spain.

Published: October 2004

The sensory and analytical characteristics of five rose sparkling wines manufactured by the traditional method have been determined. Moreover, the changes that take place in the nitrogen and volatile fraction of the wines during the second fermentation and the aging with the yeasts have been studied. Each of these wines was made from a single industrial rose base wine of the Garnacha Tinta variety, with five selected yeasts strains. The base wine had a low content in free amino acids, 16 mg/L, and the yeast consumed more peptides than free amino acids during second fermentation. From the application of the two-way analysis of variance, yeast strain, and aging time factors to the data of volatile compounds, it has been found that most of the differences between these sparkling wines are due to the aging time. It has been verified that these rose sparkling wines have foam of good quality and that the grape variety Garnacha Tinta is suitable for the production of rose sparkling wines.

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http://dx.doi.org/10.1021/jf040151bDOI Listing

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