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Hydrolysis Characteristics of Goat Milk $\beta-Casein$ by Enzyme and Angiotensin Converting Enzyme Inhibition Effects of Hydrolysate  

Park Yong-Kuk (Department of Food Science and Technology in Animal Resources, Kangwon National University)
Kwon Il-Kyoung (Department of Food Science and Technology in Animal Resources, Kangwon National University)
Kim Gur-Yoo (Department of Food Science and Technology in Animal Resources, Kangwon National University)
Publication Information
Food Science of Animal Resources / v.25, no.2, 2005 , pp. 238-243 More about this Journal
Abstract
This study was carried out to understand hyrolytic characteristics of $\beta-casein$ by enzyme in goat milk and to measure the inhibition effect of the ACE of the hydrolysate. In order to conduct the experiment, $\beta-casein$ of goat milk was separated using Mono S HR 5/5, a cation exchange column. The separated $\beta-casein$ was treated with trypsin of animal hydrolysis enzymes, in an effort to verify the characteristics of hydrolysis. The inhibition activity of ACE was measured and the results are as follows. By analyzing the hydrolysate separated from the trypsin-processed $\beta-casein$ of goat milk, the inhibition effect of the ACE was measured trypsin-hydrolyzed $\beta-casein$ demonstrated a $25.36\pm0.79\%$ of inhibition effect and the $IC_{50}$ of the hydrolysate from the trypsin-processed $\beta-casein$ reached $308.7\pm2.77({\mu}g/mL)$.
Keywords
goat milk; ACE-inhibition; hydrolysate;
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