New antioxidant phenolic glycosides from Walsura yunnanensis
Luo, XD; Wu, DG; Cai, XH; Kennelly, EJ
2006
发表期刊CHEMISTRY & BIODIVERSITY
ISSN1612-1872
卷号3期号:2页码:224-230
摘要Four new polyphenolic glycosides (1-4) were isolated from the BuOH extract of the bark of Walsura yunnanenis C. Y. Wu. These compounds comprise two lignans, i.e., the 9-O-alpha-L-arabinopyranosides 1 and 2 of (-)-isolariciresinol and of (+)-5-methoxyisolariciresinol, respectively, and the two phenolic glycosides 3,4,5-trimethoxyphenyl 2-O-(alpha-L-fucopyranosyl)-beta-D-glucopyranoside (3) and 3,5-dihydroxyphenyl 6-O-(4-hydroxy-3,5-dimethoxybenzoyl)-beta-D-glucopyranoside (walsuraside; 4). In addition, three known compounds, 3,4,5-trimethoxyphenyl beta-D-glucopyranoside, asperglaucide, and butyl alpha-D-fructofuranoside were identified. Their structures were elucidated spectroscopically and by chemical transformation (hydrolysis). The new compounds 1, 2, and 4 displayed significant antioxidant activities, with IC50 values in the range of ca. 42 to 49 mu g/ml.
关键词Triterpenoids Constituents Glucosides Piscidia
学科领域Biochemistry & Molecular Biology ; Chemistry ; Multidisciplinary
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Chemistry
WOS类目Biochemistry & Molecular Biology ; Chemistry, Multidisciplinary
WOS记录号WOS:000235795500011
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/1601
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位1.Chinese Acad Sci, State Key Lab Phytochem & Plant Resources W China, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.CUNY Herbert H Lehman Coll, Dept Biol Sci, Bronx, NY USA
4.CUNY, Ctr Grad Studies, Bronx, NY USA
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Luo, XD,Wu, DG,Cai, XH,et al. New antioxidant phenolic glycosides from Walsura yunnanensis[J]. CHEMISTRY & BIODIVERSITY,2006,3(2):224-230.
APA Luo, XD,Wu, DG,Cai, XH,&Kennelly, EJ.(2006).New antioxidant phenolic glycosides from Walsura yunnanensis.CHEMISTRY & BIODIVERSITY,3(2),224-230.
MLA Luo, XD,et al."New antioxidant phenolic glycosides from Walsura yunnanensis".CHEMISTRY & BIODIVERSITY 3.2(2006):224-230.
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