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논문 기본 정보

자료유형
학술저널
저자정보
김명곤 (전북대학교 식품가공학과) 이근광 (고구려대학교 뷰티아트과)
저널정보
한국미용학회 한국미용학회지 한국미용학회지 제19권 제3호
발행연도
2013.6
수록면
509 - 515 (7page)

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초록· 키워드

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This study was performed to screen the physicochemical composition, and cosmetic beauty physiological activities of the extracts of Discorea japonica, a yam tuber in hot water and 70% ethanol. The results were as follows: The proximate compositions of yam tuber powder as a dry-matter base were 84.2±0.28% mositure, 1.6±0.03% crude protein, 0.2±0.025% crude fat, 0.9±0.031% crude ash,0.55±0.09% dietary fiber and 12.55% carbohydrate, respectively. The contents of viscosity, viscous liquid and mucilage were 1,368±2.51cP, 1.08±0.16%, and 109.5±1.87 unit, respectively. The contents of saponin were 6.67±0.101 DHEA, 12.36±0.212 dioscin, and 4.45±0.125 mg% diosgenin, respectively. The contents of total polyphenol and flavonoid, and DPPH radical scavenging activity in hot water extracts were 5.99±0.131 mg/%, 8.22±0.151 mg%, and 69.91±1.131%. And in the 70% ethanol extracts, 17.64±0.213 mg%,8.52±0.170 mg%, and 79.43±1.215%, respectively. The tyrosinase inhibition activity was 75.05±0.35% for the hot water extract, and 91.47±0.42% for the 70% ethanol extract. Regarding a antimicrobial activity (100 μg/mL), for the hot water extract, clear zone appeared against E. coli, S. aureus and B. subtilis and for 70% ethanol extract clear zone appeared against S. typimuriem. The cytotoxicity for NIH3T3 cell line did not appear for both hot water and 70% ethanol extracts (50 μg/mL).

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