Title: Study on preparation of ACE inhibition peptides from milk protein by enzyme
Abstract: The optimal conditions of preparation of hydrolysates from the milk protein with inhibition of angiotensin converting enzyme(ACE) were determined by measuring the inhibition effects of the hydrolysates.The results showed that there were four enzymes(trypsase,papain,protease A,protease M,peptidase R) that can hydrolyze the milk protein into hydrolysates.The protease A IC50 was 0.8987 g/L.The optimal hydrolysis conditions for protease A were as the following: temperature 50 ℃,pH7.0,E/S 3% and [S]5% and 10 h period.The molecular weight of the peptide with the higher inhibition activity(84.95%,85.35%) was 1 340 u and 439 u respective.
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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