METHOD OF PREPARING IMMOBILIZED BIOCATALYST AND BIOCATALYST FOR PRODUCTION OF ALCOHOL-CONTAINING DRINKS

摘要

FIELD: alcoholic beverage production. ^ SUBSTANCE: invention provides a method for growing yeast biomass for 12-14 h on ethanol-free medium, which biomass is then mixed with polyvinyl alcohol solution, frozen in air at -15 to -80°C, kept at this temperature for 12-16 h, and unfrozen at +2 to +10°C. Thus obtained immobilized biocatalyst contains yeast mass in amount 0.15-0.90 % (as dry material), 10-15% of polyvinyl alcohol, and water phase to 100%. ^ EFFECT: enabled multiple fermentation of a wide spectrum of media and enabled elimination of underfermentation of biological acidity reduction in worts. ^ 2 cl, 4 dwg, 2 tbl, 9 ex