KMID : 0380020110260010027
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Korean Journal of Biotechnology and Bioengineering 2011 Volume.26 No. 1 p.27 ~ p.32
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Antioxidant effect of hot water extract of Muraenesox cinereus¡¯s skin
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Shin Hyun-Jae
Kim Yoon-Soo Nam Hyung-Gun Na Myung-Soon Kim Mi-Hye Kang Hyeong-Bong Lee Hee-Duck Choi Du-Bok Choi On-You Cha Wol-Suk
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Abstract
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1)For the development of functional food and cosmetics using hot water extract of Muraenesox cinereus¡¯s skin, contents of vitamin, amino acid and element, and antioxidant activity were investigated. The results are shown as follows: among vitamins, A (0.21 mg/100 g), C (78.12 mg/ 100 g), D3 (0.03 mg/100 g), E (1.97 mg/100 g) and Niacin (2.53 mg/100 g) were detected, respectively. Mineral contents were an order of K > P > Na > Mg > Ca > Fe and Zn. Contents of total amino acids were an order of Pro > Gly > Arg > Glu > Phe > Ala. Especially, the sum of total amino acids was 27.17 mg/100 mL, which was about 4.0 fold higher than that of free amino acid. DPPH radical scavenging activity of hot water extract of M. cinereus¡¯s skin at 25 mg/mL was 63.5% and did not increase at above 50 mg/mL. Activities of antioxidant enzymes in the liver of ethanol-treated rats using hot water extract of M. cinereus¡¯s skin were investigated. Compared to control group, activities of ADH and GSH-px were decreased. In the case of CAT and SOD activity, they were increased. These results showed that the hot water extract of M. cinereus¡¯s skin can be applied to raw macterial for functional food and cosmetics.
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KEYWORD
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Muraenesox cinereus¡¯s skin, hot water extract, amino acid, catalase, superoxide dismutase
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