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

FIELD: food industry.

SUBSTANCE: method involves mixing orange rind and hops, extracting the obtained mixture by liquid nitrogen with corresponding miscella separation, cutting yacon, drying it in microwave field at preset process parametres as well as roasting yacon and mixing it with malt, impregnating the obtained mixture with separated miscella with a simultaneous pressure boost, releasing pressure until it equals the atmospheric pressure with simultaneous freezing of the mixture and its cryomilling in the medium of evolved nitrogen, pouring over the mixture with drinking water and saccharifying the mixture to obtain wort, adding brewer's yeast to the wort, performing incipient fermentation, afterfermentation and filtration.

EFFECT: method enables to reduce production process duration and increase foam stability of the target product.