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| Relationship between hydrolysis degree of soybean protein and antioxidant ability of soybean peptide |
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| KeyWord:soybean protein soybean peptide protease antioxidant ability hydrolysis degree |
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| Abstract: |
| The relationship between the hydrolysis degree of soybean protein and antioxidant ability of soybean peptide was researched, through studying the hydrolysis degree of soybean protein and antioxidant ability of soybean peptide. The results showed that the hydrolysis degree of soybean protein hydrolyzed by combined two kinds of proteases was higher than that hydrolyzed by either protease’s and lower than the sum of hydrdysis degrees hydrolyzed by two kinds of proteases respectively; the rule of antioxidant ability of soybean peptide was the same to the hydrolysis degree of soybean protein. The antioxidant ability of soybean peptide was related to kinds of combined proteases and single protease and hydrolysis degree of soybean protein, the soybean peptide had optimal antioxidant ability when the hydrolysis degree was in the range of 18%-19%. |
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