Abstract
Fermentation is one of the most important stages in the production of fruit wines that determines the formation of their varietal characteristics. The purpose of the work is to investigate quality indices of variety fruit wines and establish interrelation between application of different types of yeast and organoleptic 
 characteristics of wines obtained with their application. Influence of yeast race on apple wine sensory profiles, dynamics of apple wort fermentation, formation of secondary fermentation products determining organoleptic characteristics of apple wines has been studied. Yeast species Saccharomyces cerevisiae - Lalvin V-1116, 
 Oenoferm C2, France CB and Saccharomyces byanus –Oenoferm Freddo, Fermivin PDM were used in this work. For the nutrition of wine yeast we chose Maxafarm’s nutrient mixture consisting of inactivated yeast, thiamine and ammonium salts. The significant influence of yeast races on the qualitative and quantitative 
 composition of secondary fermentation products, the formation of varietal signs of fruit and berry natural wines was shown. It is recommended to use Fermivin PDM and Oenoferm Freddo yeast at a fermentation temperature from 22 °C to 26 °C and France CB yeast at a fermentation temperature from 16 °C to 18 °C for the production of apple natural wines for the formation of varietal characters.
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