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KMID : 0043320140370060698
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Archives of Pharmacal Research
2014 Volume.37 No. 6 p.698 ~ p.705
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(?)-Catechin glycosides from Ulmus davidiana
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Hosny Mohammed
Zheng Ming Shan
Zhang HaiYan
Chang Hyun-Wook
Woo Mi-Hee
Son Jong-Keun
Lee Kyung-Seon
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Abstract
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Extensive chromatographic separation of the n-BuOH soluble fraction obtained from the stem and root barks of U. davidiana resulted in five hitherto unknown compounds together with a known one (?)-catechin 1. Structures of the five compounds were elucidated by chemical and spectroscopic analyses, to be (?)-catechin-7-O-gallate-5-O-(5″″-trans-caffeoyl)-β-d-apiofuranoside-3-O-β-d-apiofuranosyl-(1 → 2)-β-d-glucopyranoside 2, (?)-catechin-7-O-gallate-5-O-(5″″-trans-caffeoyl)-β-d-apiofuranoside-3-O-β-d-glucopyranoside 3, (?)-catechin-7-O-gallate-5-O-β-d-apiofuranoside-3-O-(2″-O-galloyl)-β-d-glucopyranoside 4, (?)-catechin-7-O-gallate-5-O-(5″″-trans-caffeoyl)-β-d-apiofuranoside 5, and (?)-catechin-7-O-gallate-5-O-(5″″-trans-feruloyl)-β-d-apiofuranoside 6.
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KEYWORD
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Ulmus davidiana, Ulmaceae, Flavan-3-ols, Acylated (?)-catechin glycosides
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