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

FIELD: chemistry.

SUBSTANCE: invention relates to beer brewing technology. The method involves the following operations. Mixing nutmeg flower and hop, extraction of the obtained mixture with liquid nitrogen with separation of the corresponding miscella. Cutting, drying in a microwave field with given parametres of the process and roasting girasol - sunflower. Mixing girasol - sunflower and malt, impregnation of the obtained mixture with the separated miscella with simultaneous increase of pressure. Reducing pressure to atmospheric pressure level with simultaneous freezing of the mixture, its cryogenic grinding in the medium of released nitrogen, adding sugar, pouring drinking water and saccharification to obtain wort. Adding brewing yeast, primary fermentation, after fermentation and filtration.

EFFECT: invention shortens duration of the process and increases foam stability of the end product.