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

FIELD: food industry.

SUBSTANCE: method provides for extraction of hop by liquid nitrogen with separation of according miscella, cutting of yacon, its drying in microwave field at specified parametres of the process and frying, mixing of yacon and barley malt, impregnation of produced mix by separated miscella with simultaneous increase of pressure, pressure reduction down to atmospheric one with simultaneous freezing of mix, its cryo-grinding in medium of released nitrogen, adding sugar, pouring with drinking water and saccharification to produce wort, adding beer yeast to it, 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.