Abstract

In the previous decade, the use of Yeast Derivatives (YD) was proposed as a new strategy to control wine oxidation (Comuzzo et al., 2015). These products are obtained from yeasts by autolytic or hydrolytic processes and then dried to obtain the commercial products. The aim of this work was to carry out a preliminary investigation of commercial YDs with different compositions in order to (i) compare their capacity to prevent white wine oxidation in comparison with conventional treatment using SO2, and (ii) evaluate their impact on wine quality.

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