Antioxidant phenolic constituents from Fagopyrum dibotrys
Wang, KJ; Zhang, YJ; Yang, CR
2005-06-03
发表期刊JOURNAL OF ETHNOPHARMACOLOGY
ISSN0378-8741
卷号99期号:2页码:259-264
摘要Fagopyrum dibotrys (D. Don.) Hara. is an erect perennial Polygonaceous herb. In China, its rhizome was used as folk medicine for the treatment of lung diseases, dysentery and rheumatism. The crude aqueous acetone extract from the rhizomes of this plant exhibited high antioxidant activity (SC50 = 10.95 mu g/mL) in 1,1-diphenyl-2-picryldydrazyl (DPPH) radical scavenging assay. Detailed chemical investigation on the extract led to the isolation of two new phenols (1 and 2), together with 14 known antioxidant phenolic compounds (3-16). Their structures were determined by detailed spectroscopic analysis. The two new compounds were characterized as 3-methyl-gossypetin 8-O-beta-D-glucopyranoside (1) and 1,3,6'-tri-p-coumaroyl-6-feruloyl sucrose (diboside A, 2). The radical scavenging activity of all the isolated compounds was also described. (c) 2005 Elsevier Ireland Ltd. All rights reserved.
关键词Fagopyrum Dibotrys Antioxidant Phenolics Diboside a Flavonol Glycoside
学科领域Plant Sciences ; Chemistry, Medicinal ; Integrative & Complementary Medicine ; Pharmacology & Pharmacy
DOI10.1016/j.jep.2005.02.029
收录类别SCI
语种英语
WOS研究方向Plant Sciences ; Pharmacology & Pharmacy ; Integrative & Complementary Medicine
WOS类目Plant Sciences ; Chemistry, Medicinal ; Integrative & Complementary Medicine ; Pharmacology & Pharmacy
WOS记录号WOS:000229688700014
引用统计
被引频次:33[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/151853/4734
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Chinese Acad Sci, State Key Lab Phytochem & Plant Resources W China, Kunming Inst Bot, Kunming 650204, Peoples R China
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Wang, KJ,Zhang, YJ,Yang, CR. Antioxidant phenolic constituents from Fagopyrum dibotrys[J]. JOURNAL OF ETHNOPHARMACOLOGY,2005,99(2):259-264.
APA Wang, KJ,Zhang, YJ,&Yang, CR.(2005).Antioxidant phenolic constituents from Fagopyrum dibotrys.JOURNAL OF ETHNOPHARMACOLOGY,99(2),259-264.
MLA Wang, KJ,et al."Antioxidant phenolic constituents from Fagopyrum dibotrys".JOURNAL OF ETHNOPHARMACOLOGY 99.2(2005):259-264.
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