Process for preparing low phytate soy protein isolate

Details Process for preparing low phytate soy protein isolate Process for preparing low phytate soy protein isolate

1985-09-06

1987-09-29

Schain, Howard E.

Chemistry: natural resins or derivatives; peptides or proteins;

Proteins, i.e., more than 100 amino acid residues

Plant proteins, e.g., derived from legumes, algae or...

426656, 435 69, A23J 114

Patent

active

046970045

ABSTRACT:
A high quality soy protein isolate with significantly reduced aluminum content and substantially free of phytic acid and phytate complexes is prepared by aqueous extraction of defatted particulated soybeans at pH 8 to 10, and at a temperature above 65.degree. C., separating the extract and then precipitating the protein out of solution, at a pH slightly higher than its isoelectric point, i.e., pH 5.3.

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patent: 4375431 (1983-03-01), Bradford et al.
McKinney, et al., J. Biol. Chem., vol. 178, pp. 117-132 (1949).

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