Influence of the inoculation time of high sugar content must on the formation of wine aroma |
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Authors: | Mateo J.J. Jiménez M. Pastor A. Huerta T. |
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Affiliation: | (1) Facultad CC Biológicas, Dr Moliner 50, Departamento Microbiología, E-46100 Burjassot, Valencia, Spain;(2) Facultad CC Químicas, Dr Moliner 50, Departamento Química Analítica, E-46100 Burjassot, Valencia, Spain |
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Abstract: | The addition of inocula of a commercially available strain of Saccharomyces cerevisiae to musts with a high initial sugar content at various fermentation stages induces variable changes in the different components of the volatile fraction of wine and, potentially, its sensory properties as well. Inoculation alters the concentration ratio between the 2,3-butanediol isomers and causes a decrease in acetates and ethyl ester content. We propose an analytical ratio to evaluate the aromatic quality of the wine. |
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Keywords: | Inoculation volatiles wine yeasts |
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