METHOD OF PREPARING ENZYME-PROTEIN CONCENTRATE Russian patent published in 1996 - IPC

FIELD: biotechnology, meet industry. SUBSTANCE: abomasums from health cattle were defatted, washed with weak tap water jet and frozen at -12-18 C for 16-28 hr. The raw is milled in picker roll at hole diameter 4-5 mm and pH is brought about to 1.8-2.2 with 10-14% hydrochloric acid solution. Mixture is subjected for autolysis at 38-42 C for 1 hr and 5% sodium chloride is added to mixture. Then 30% sodium citrate aqueous solution is added to mixture at mass part 50% and dried by sublimation for 18-30 hr firstly at -20-30 C and at +25-35 C at the end of process under residual pressure 1.6 Pa and at condenser temperature -58-62 C at beginning process. Ready concentrate is milled and packaged. EFFECT: improved method of concentrate producing. 3 cl