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KMID : 0616120080390030233
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Korean Journal of Pharmacognosy
2008 Volume.39 No. 3 p.233 ~ p.236
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Antioxidant Phenolic Components from the Whole Plant Extract of Cyperus amuricus Max
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Lee Sa-Im
Cui Xun
Jeon Hoon
Baek Nam-In
Kim Sung-Hoon
Kim Hee-Ja
Cho Chong-Hyeon
Ahn Hyo-Cho
Yang Jae-Heon
Chae Byeong-Suk
Lim Jong-Pil
Eun Jae-Soon
Kim Dae-Keun
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Abstract
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In order to find the antioxidative components, fractionation of Cyperus amuricus (Cyperaceae) methanol extract was performed by measuring the DPPH (1,1-diphenyl-2-picrylhydrazyl) scavenging effect. Three compounds, 3,4-dimethoxy benzoic acid (1), 4-hydroxybenzoic acid (2), and piceatannol (3) were isolated from the active ethylacetate soluble fraction of C. amuricus through repeated silica gel and Sephadex LH-20 column chromatography. Among them, compound 3 showed the significant antioxidative effect on DPPH free radical scavenging test. These compounds are reported for the first time from this plant.
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KEYWORD
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Cyperus amuricus, Cyperaceae, PPPH, piceatannol
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