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KMID : 1134820080370020136
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Journal of the Korean Society of Food Science and Nutrition
2008 Volume.37 No. 2 p.136 ~ p.140
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ACE Inhibitory and Antioxidative Activities of Silkworm Larvae (Bombyx mori) Hydrolysate
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Yoo Jeong-Sik
Woo Koan-Sik
Hwang In-Guk
Lee Youn-Ri
Kang Tae-Soo
Jeong Heon-Sang
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Abstract
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In order to utilize the silkworm larvae (Bombyx mori) protein, defatted silkworm protein was hydrolysed by four enzymes (pepsin, trypsin, neutrase and alcalase) at various hydrolysis times (6, 12, 18, 24 and 30 hr) and suspension oncentrations (2, 5, 10, 15 and 20%). Protein solubility index, ACE (angiotensin converting enzyme) inhibitory activity and antioxidative activity of silkworm protein hydrolysates were investigated. Theoptimum condition of hydrolysis was 10% suspension concentration and 18 hr. Protein solubility index of trypsin treatment was higher than other enzyme treatments. ACE inhibitory activity and IC50 value of antioxidative activity of neutrase treatment were 86.16% at 100 μg/mL and 352.75 μg/mL, respectively; also, these values were higher than other enzyme treatments.
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KEYWORD
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silkworm larvae (Bombyx mori) , hydrolysis , angiotensin converting enzyme (ACE) inhibitory activity , antioxidant activity
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