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Influenza dei lieviti «flor» sull'evoluzione delle caratteristiche cromatiche durante la maturazione della Vernaccia di Oristano

Abstract

The Authors have studied the «flor» yeasts influence on the chromatic characteristics of the «Vernaccia» wine. The wine, wich is not treated with select yeasts, drows a marked tendency to darkening. The wine, inoculated with some strains of «flor» yeasts belonging to Sacch. prostoserdovii, Sacch. bayanus and less Sacch. aceti species does not present this phenomenon or does in a very attenuate way

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