METHOD OF TREATING COLLAGEN-CONTAINING RAW MATERIAL Russian patent published in 2003 - IPC

FIELD: meat-processing industry. SUBSTANCE: invention relates to pretreatment of raw materials in sausage and canning productions. collagen- containing raw material (low-grade materials, tendons and sinews, paunch) is washed, minced, and treated by ultrasonic oscillations at 30-32 C and pH 5.0-5.5 for 8-10 min and at raw material-to-water ratio 1:2. Liquid fraction is then separated for hydration of protein-carbohydrate concentrate, ratio of concentrate to liquid being 1:3. Treated raw material is then combined with hydrated protein component and bacterial leaven Lactobacillus casei in amount 2-4% of the total weight of material. Mixture is stirred and thermostatically controlled at 4-6 C for 12-24 h. EFFECT: enabled production of foods with elevated protein content and improved organoleptic characteristics, and reduced consumption of power in heat treatment of raw material. 1 tbl