KMID : 0620720020080020062
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Natural Product Sciences 2002 Volume.8 No. 2 p.62 ~ p.65
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Chemical Constituents from Sorbus commixta
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Na, MinKyun
An, RenBo/Min, Byung Sun/Lee, SangMyung/Kim, Young Ho/Bae, KiHwan
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Abstract
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Two lupane-type triterpenes, lupenone (1) and lupeol (2), a phytosterol, ¥â-sitosterol (3), two ursanetype triterpenes, 3¥â-acetoxy ursolic acid (4) and ursolic acid (5), a lignan, (-)-lyoniresinol 3a-O-¥â-D-xylopyranoside (6), and two flavanol glycosides, catechin-7-O-¥â-D-xylopyranoside (7) and catechin-7-O-¥â-D-apiofuranoside (8) were isolated from the stem bark of Sorbus commixta (Rosaceae). Their chemical structures were identified by physicochemical and spectroscopic methods.
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