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

FIELD: food industry.

SUBSTANCE: method provides for mixing tangerine zest with hop and extracting obtained mixture by liquid nitrogen with corresponding miscella separation, cutting, drying in microwave field at preset process parametres and frying chicory, mixing chicory and malt, impregnating obtained mixture by separated miscella with simultaneous pressure boost to point of nitrogen vapour pressure at impregnation temperature, depressurisating to atmosphere pressure with simultaneous freezing mixture and cryo-mincing it in escaped nitrogen medium, filling it with drinking water and saccharificating with obtaining wort, adding beer yeast in it, main fermentating, postfermenting and filtering.

EFFECT: reducing technological process duration and increasing end product foam stability.