METHOD FOR PRODUCTION OF DARK BEER Russian patent published in 2010 - IPC C12C12/00 

FIELD: food industry.

SUBSTANCE: hop is extracted with liquid nitrogen to separate according miscella. Girasol is cut, dried and fried. Girasol and malt are mixed. Produced mix is impregnated with separated miscella with simultaneous increase of pressure to the value that corresponds to pressure of saturated nitrogen vapors at the temperature of impregnation. Then pressure is reduced down to atmospheric value with simultaneous freezing of mix and its cryo-grinding in the medium of released nitrogen. Mix is poured with drinking water, saccharified to make wort, and beer yeast is added to it. Then main fermentation, afterfermentation and filtration.

EFFECT: method makes it possible to reduce duration of technological process and to increase stability of foam in finished product.