PRODUCTION METHOD OF INSTANT POWDER FOR FLAVOURED YACON-TANGERINE DRINK Russian patent published in 2010 - IPC A23L2/39 A23F5/44 

FIELD: food industry.

SUBSTANCE: invention relates to technology of manufacturing coffee substitutes. Method provides for extraction of anise-tree by liquid nitrogen with corresponding miscella separation. Then yacon is cut, dried in the microwave field at preset process parametres and roasted. Then tangerine refuse is dried in the microwave field at preset process parametres and dried up by convection. Then yacon is mixed with tangerine refuse, the obtained mixture is impregnated with separated miscella with simultaneous increase in pressure. Then the pressure is released down to the atmospheric pressure and the mixture is being frozen at the same time and cryomilled in medium of evolved nitrogen.

EFFECT: invention enables to obtain new flavoured coffee drink instant powder out of unconventional raw material according to nonwaste technology.