BLUEBERRY BEVERAGE PRODUCTION METHOD Russian patent published in 2024 - IPC A23L2/60 

FIELD: food industry.

SUBSTANCE: disclosed is a method of producing a blueberry beverage, according to which blueberries are milled, the obtained mass is heated and adding enzyme preparations with cellulolytic and pectolytic activity in concentration of 0.01% each to the initial berry mass and hydrolysis is carried out. Mixture is then heated and held for 3–5 minutes, after which it is cooled and pressed for juice squeezing. Obtained juice is subjected to freeze-drying at a temperature of minus 25 °C to minus 21 °C and pressure of 70–80 Pa. Obtained powder is additionally dried at temperature of 38–40 °C, wherein the process of sublimation drying is carried out for 15–17 hours to final moisture content of powder of 4%. Obtained freeze-dried powder of blueberry juice is mixed with the sweetener Monk Fruit and maltodextrin to obtain a powder drink which is diluted in water at ratio of 1:19, respectively.

EFFECT: invention provides a wider range of functional food products having properties of natural antioxidants, most complete extraction of biologically active substances of blueberries during production of the beverage and their maximum preservation during production and storage.

1 cl, 10 tbl, 3 ex