METHOD OF PRODUCING WINE MATERIAL Russian patent published in 2010 - IPC C12G1/02 

FIELD: chemistry.

SUBSTANCE: grapes are processed, wort or pulp is fermented, comenic acid is added in amount of 150-300 mg/dm³ and the wine material is separated from the yeast biomass. Comenic acid is added in two steps: before fermentation of wort or pulp in amount of 50-100 mg/dm³ and after separation of the yeast biomass in amount of 100-200 mg/dm³.

EFFECT: method enables to obtain wine with high antioxidant activity and biological value, reduction of the level of redox processes, retention of the colour of wine materials, increase in consumer safety of the wine due to reduction of sulphur dioxide dosages.

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