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Studies on the Chemical Constituents Biological Activities of Mulberry Extracts  

Lee, Sang-Keug (Dept. of Wood Chemistry & Microbiology, Korea Forest Research Institute)
Lee, Hak-Ju (Dept. of Wood Chemistry & Microbiology, Korea Forest Research Institute)
Kang, Ha-Youg (Dept. of Wood Chemistry & Microbiology, Korea Forest Research Institute)
Choi, Don-Ha (Dept. of Wood Chemistry & Microbiology, Korea Forest Research Institute)
Jo, Hyun-Jin (Dept. of Wood Chemistry & Microbiology, Korea Forest Research Institute)
Lee, Tae-Seong (Technical Research Institute, Hwajin Cosmetics CO., LTD.)
Publication Information
Journal of the Korean Wood Science and Technology / v.37, no.1, 2009 , pp. 105-113 More about this Journal
Abstract
The freezed Mulberry (10 kg) was extracted with 80% EtOH, concentrated, and fractionated with a series of n-hexane, ethyl acetate, and water on a separatory funnel. A portion of ethyl acetate soluble (22 g) was chromatographed on a Sephadex LH-20 column using a series of aqueous methanol as eluents. The isolated compounds were identified by cellulose TLC, $^1H-$,$^{13}C$-NMR, FAB, and EI-MS. Quercetin-3-O-${\beta}$-D-glucopyranoside (Compound I), protocatechuic acid (Compound II), p-hydroxybenzoic acid (Compound III) were isolated from the ethyl acetate soluble fraction. In antioxidative activities of the fractionated extractives using DPPH radical scavenging test, EtOAc and water soluble fractions indicated better than BHT as contro and in in vitro tests using MTT assay, there was no cytotoxicity. Also, tyrosinase inhibition and anticancer activities were not so good, but there may be a potential as a cosmetic raw material because the cell extension effect was excellent.
Keywords
Mulberry; cosmetics; quercetin-3-O-${\beta}$-D-glucopyranoside; protocatechuic acid; p-hydroxybenzoic acid;
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Times Cited By KSCI : 7  (Citation Analysis)
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