Hydrolysis of soy protein

Details Hydrolysis of soy protein Hydrolysis of soy protein

1977-01-12

1978-07-11

Shapiro, Lionel M.

Textiles: fiber preparation

426 46, A23L 120

Patent

active

041000242

ABSTRACT:
Preparation of polypeptides from soy protein through hydrolysis with a microbial, alkaline, proteinase using enzyme concentrations of 4-25 Anson units per kg of soy protein, a substrate concentrtion of 5-20% w/w soy protein and pH 7-10, hydrolyzing to a (DH) degree of hydrolysis 8-15% then inactivating the enzyme by addition of a food grade acid, and thereafter recovering the supernatant polypeptide solution.
Preferred are the proteinase from B. licheniformis, pH 7.5-8.5, 8-15% substrate, and hydrolysis to a DH 9.5-10.5 %.
The product is free from bitterness.

REFERENCES:
patent: 3843802 (1974-10-01), Puski
patent: 3846560 (1974-11-01), Hempenius et al.
patent: 3876806 (1975-04-01), Hempenius et al.
patent: 3970520 (1976-07-01), Feldman et al.
Chiang et al., Chemical Abstracts, vol. 78, 1973, 27916a.

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