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논문 기본 정보

자료유형
학술저널
저자정보
Shin, Seung-Won (College of Pharmacy, DukSung Women's University) Lee, Yeon-Hee (College of Natural Sciences, Seoul Women's University) Moon, Su-Ran (College of Natural Sciences, DukSung Women's University) Koo, In-Hye (College of Natural Sciences, DukSung Women's University) Hong, Hyun-Jin (College of Natural Sciences, Seoul Women's University) Shin, Eun-Ju (College of Natural Sciences, Seoul Women's University) Lee, Min-Young (College of Natural Sciences, Seoul Women's University) Park, Ji-Hye (College of Natural Sciences, Seoul Women's University) Chung, Ha-Sook (College of Natural Sciences, DukSung Women's University)
저널정보
한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제53권 제6호
발행연도
2010.1
수록면
716 - 723 (8page)

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초록· 키워드

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The present study describes the bioactive secondary metabolites of Artemisia iwayomogy and Chrysanthemum morifolium, a traditional medicinal plant widely distributed in Korea, through activity-monitored fractionation and isolation method. The aerial parts of plants were extracted with 80% ethyl alcohol, and an aqueous suspension of the extracts was partitioned successively with n-hexane, chloroform, ethylacetate, and n-butanol, leaving a residual water-soluble fraction. Secondary metabolites, compounds 1-12 were isolated from biologically active solvent-soluble fractions, and chemical structures were identified by high resolution mass spectroscopy and nuclear magnetic resonance spectroscopic analyses. All compounds were subjected to bioassay to evaluate their antioxidant and antimicrobial activities, as judged by scavenging stable 1,1-diphenyl-2-picrylhydrazyl free radicals and disk diffusion test with a minor modification of Institute of Clinical Laboratory Standards, respectively. Kaempferol (4), quercimeritrin (8), luteolin (10), and chlorogenic acid (12) were found to be antioxidants, and the concentrations at which resulted in 50% inhibition ($IC_{50}$) were $105.16{\pm}0.09$, $101.72{\pm}0.76$, $91.96{\pm}0.06$, and $85.31{\pm}0.14\;{\mu}M$, respectively, and their activities compared favorably with those observed with the standards, ascorbic acid and BRA, which had $IC_{50}$ values of $125.48{\pm}0.02$ and $115.40{\pm}0.01\;{\mu}M$, respectively. Leucodin (5) was isolated from A. iwayomogi for the first time as moderate antioxidant and antimicrobial naturals.

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