FIELD: production methods; chemistry.
SUBSTANCE: method of preparation of raw waste up to dilution includes watering, soaking, fermentational processing in 2 stages, watering, milling to the peaces of 5x5 mm. During the first stage it is done the processing by fluid substance neutral or alkaline protease 1.0-5.0 g/l during 12-22 hours under the temperature 25-40°С. During the second stage it is done the processing by fluid substance neutral or acid protease 1.0-5.0 g/l during 1-9 hours under the temperature 30-50°С. As the ferment substance on the second stage of producing it is used protepcine or amilosubtiline or "protease H".
EFFECT: it is produced the hydrolized protein.
4 cl, 3 ex
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