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Studies on Biological Activity of Wood Extractives(XIII) - Chemical Components and Antioxidative activity of the leaves of Sophora japonica -  

Park, Youngki (Korea Forest Research Institute)
Lee, Hak-Ju (Korea Forest Research Institute)
Lee, Sung-Suk (Korea Forest Research Institute)
Choi, Don-Ha (Korea Forest Research Institute)
Publication Information
Journal of the Korean Wood Science and Technology / v.31, no.5, 2003 , pp. 43-48 More about this Journal
Abstract
From the leaves of S. japonica, three compounds were isolated and identified as follows : hypogallic acid, kaempferol and quercetin. The free radical scavenging activities of the isolated compounds were 98.2%, 96.2% and 90.2% at 100 ㎍/ml, respectively. Compound 1 (hypogallic acid) and compound 2 (kaempferol) indicated higher antioxidative activity compared with reference compound, BHT.
Keywords
Sophora japonica; leaves; hypogallic acid; kaempferol; quercetin; antioxidative activity;
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