METHOD FOR PRODUCING DRY EXTRACT FROM RED BILBERRY AND CRANBERRY BERRY REFUSES Russian patent published in 2017 - IPC A23L19/00 

FIELD: food industry.

SUBSTANCE: method for obtaining dry extracts from red bilberry or cranberry berry refuses provides drying the refuses in a drying cabinet with infrared radiation, grinding them, water-alcohol extracting of the refuses in the microwave field, filtering. After filtration, the extract is concentrated to the consistency of the syrup on the rotary evaporator under vacuum at the water bath temperature not exceeding 45°C and dried under vacuum at the temperature of not more than 50°C to the humidity of not more than 5%.

EFFECT: invention allows to rationally using the secondary raw materials of the juice processing industry, to obtain a dry extract from the red bilberry or cranberry berry refuses with the antioxidant and antimicrobial action that can be used to increase the nutritional value of the finished product, and to increase the shelf life of perishable products.

4 tbl, 4 ex