FIELD: food industry. SUBSTANCE: whey protein hydrolyzate is mixed with water preparing the suspension at protein content below 20%. Suspension is subjected for heat treatment at 60 C, not above, and pH value is corrected with alkaline substance. Then suspension is hydrolyzed with protease producing by B. licheniformis and/or protease producing by B. subtilis. Protein hydrolyzate as permeate is isolated from mixture using ultra- or microfiltrating unit and enzymes were inactivated after protein hydrolyzate isolation. EFFECT: improved method of preparing. 11 cl, 1 tbl
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Authors
Dates
1997-07-20—Published
1992-05-27—Filed