期刊
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
卷 82, 期 9, 页码 960-965出版社
WILEY
DOI: 10.1002/jsfa.1126
关键词
chickpea protein hydrolysate; ACE inhibitors; biological peptides
Chickpea protein isolates and the protease alcalase were used for the production of protein hydrolysates that inhibit angiotensin I-converting enzyme (ACE). The highest degree of inhibition was found in a hydrolysate obtained by 30 min of treatment with alcalase. This hydrolysate was used as starting material for the purification of ACE-inhibitory peptides. After Biogel P2 gel filtration chromatography and HPLC C-18 reverse phase chromatography, four peptides with ACE-inhibitory activity were purified. Two of them were competitive inhibitors of ACE, while the other two were uncompetitive inhibitors. These results show that chickpea proteins are a good source of ACE-inhibitory peptides when hydrolysed with the protease alcalase. (C) 2002 Society of Chemical Industry.
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