METHOD FOR PREPARING DARK BEER Russian patent published in 1998 - IPC

FIELD: brewing industry. SUBSTANCE: method involves preparing mash from pale brewers' malt, convertion, wort filtration, brewers' draff washing and introduction of kvass wort concentrate in unhopped wort in amount from 3 to 6% to grain mass. Then wort is boiled with hop, and main fermentation and afterfermentation of beer are carried out. Kvass wort concentrate is introduced at the stage of brewers' draff washing during the collecting the second washing water at temperature from 70 to 72 C. EFFECT: higher efficiency. 1 tbl