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Triterpenoids and Flavonoids Isolated from the Leaves of Alnus firma  

Yu, Young-Beob (Department of Herbal Pharmaceutical Development, Korea Institute of Oriental Medicine)
Nakamura, Norio (Institute of Natural Medicine, University of Toyama)
Miyashiro, Hirotsugu (Institute of Natural Medicine, University of Toyama)
Hattori, Masao (Institute of Natural Medicine, University of Toyama)
Park, Jong-Cheol (Department of Oriental Medicine Resources, Sunchon National University)
Publication Information
Korean Journal of Pharmacognosy / v.38, no.1, 2007 , pp. 76-83 More about this Journal
Abstract
In this study, three triterpenoids, two steroids and nine flavonoids were isolated from the leaves of Alnus firma Sieb. et Zucc. On the basis of spectroscopic evidences, the structures of these compounds were established as ${\beta}$-amyrin acetate, ${\beta}$-amyrin, ${\beta}$-sitosterol, alnustic acid methyl ester, ${\beta}$-sitosterol glucoside, pinocembrin, alnustinol, quercetin, quercetin-3-O-${\alpha}$-L-arabinofuranoside, quercetin-3-O-${\alpha}$-L -rhamnopyranoside, quercetin-3-O-${\beta}$-D-glucopyranoside, myricetin-3-O-${\beta}$-D-galac-topyranoside, (+)-catechin and (-)-epicatechin.
Keywords
Alnus firma; Betulaceae; triterpenoid; steroid; flavonoid;
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Times Cited By KSCI : 3  (Citation Analysis)
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