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Antioxidative Compounds in Extracts of Eleutherococcus senticosus Max. Plantlets  

Kim, Myong-Jo (Division of Bio-resources Technology, Kangwon National University)
Kwon, Yong-Soo (College of Pharmacy, Kangwon National University)
Yu, Chang-Yeon (Division of Bio-resources Technology, Kangwon National University)
Publication Information
Korean Journal of Medicinal Crop Science / v.13, no.4, 2005 , pp. 194-198 More about this Journal
Abstract
Two antioxidative compounds were isolated from the methanolic extract of Eleutherococcus senticosus Max. plantlets and identified as chlorogenic acid and 1,4-di-o-caffeoyl-quinic acid on the basis of mass spectroscopy, $^1H-NMR$ and $^{13}C-NMR$ data. The DPPH free radical scavenging activities of chlorogenic acid $(RC_{50}\;:\;1.2\;{\mu}g)$ and 1,4-di-o-caffeoyl-quinic acid $(RC_{50}\;:\;0.4\;{\mu}g)$ were more effective than those of ${\alpha}-tocopherol\;(RC_{50}\;:\;12\;{\mu}g)$. Of them, 1,4-di-o-caffeoyl-quinic acid compound were isolated for the first time from this plant.
Keywords
Chlorogenic acid; 1,4-di-o-caffeoyl-quinic acid; Eleutherococcus senticosus Max. DPPH free radical scavenging activity;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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