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http://dx.doi.org/10.3839/jabc.2014.026

Identification of Secondary Metabolites from the Stems of Viburnum erosum  

In, Seo-Ji (Graduate School of Biotechnology & Department of Oriental Medicinal Materials and Processing, Kyung Hee University)
Seo, Kyeong-Hwa (Graduate School of Biotechnology & Department of Oriental Medicinal Materials and Processing, Kyung Hee University)
Song, Na-Young (Graduate School of Biotechnology & Department of Oriental Medicinal Materials and Processing, Kyung Hee University)
Song, Myoung-Chong (Intellignet Synthetic Biology Center, KAIST)
Baek, Nam-In (Graduate School of Biotechnology & Department of Oriental Medicinal Materials and Processing, Kyung Hee University)
Publication Information
Journal of Applied Biological Chemistry / v.57, no.2, 2014 , pp. 165-170 More about this Journal
Abstract
The stems of Viburnum erosum were extracted with 80% MeOH. The concentrated extract was partitioned with EtOAc, n-BuOH, and $H_2O$. From the EtOAc and n-BuOH fractions, four compounds were isolated through the repeated $SiO_2$, octadecyl silica gel, and Sephadex LH-20 column chromatographies. Based on NMR, MS, and IR spectroscopic data, the chemical structures were determined as betulinic aldehyde (1), koaburside (2), (6R,7E,9R)-9-hydroxymegastigma-4,7-dien-3-one-9-O-${\beta}$-D-glucopyranoside (3), and byzantionoside B (4). All the compounds were isolated for the first time from the stems of Viburnum erosum.
Keywords
betulinic aldehyde; byzantionoside B; koaburside; Viburnum erosum; (6R,7E,9R)-9-hydroxymegastigma-4,7-dien-3-one-9-O-${\beta}$-D-glucopyranoside;
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Times Cited By KSCI : 3  (Citation Analysis)
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