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KMID : 0903519920350010064
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1992 Volume.35 No. 1 p.64 ~ p.67
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Extraction of proteins from soymilk residue using the enzymes from Aspergillus oryzae
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Abstract
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To extract insoluble proteins of soymilk residue by microorganism, the soymilk residue was treated with crude enzyme solution from Aspergillus oryzae. Optimum conditions of pH, temperature and digestion time were determined, and amino acid composition of the extract was analyzed. The optimum pH for the extraction was 7.5, and the maximum extraction was obtained at 50℃. Under optimum conditions, the extractability with Koji reached to 70% in 12 hrs. The content of essential amino acids of extract was generally high and the composition of essential amino acid was good.
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KEYWORD
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