Antioxidant phenolic constituents from Fagopyrum dibotrys
Wang, KJ; Zhang, YJ; Yang, CR
AbstractFagopyrum 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.
KeywordFagopyrum Dibotrys Antioxidant Phenolics Diboside a Flavonol Glycoside
Subject AreaPlant Sciences ; Chemistry, Medicinal ; Integrative & Complementary Medicine ; Pharmacology & Pharmacy
Indexed BySCI
WOS Research AreaPlant Sciences ; Pharmacology & Pharmacy ; Integrative & Complementary Medicine
WOS SubjectPlant Sciences ; Chemistry, Medicinal ; Integrative & Complementary Medicine ; Pharmacology & Pharmacy
WOS IDWOS:000229688700014
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Cited Times:33[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
AffiliationChinese Acad Sci, State Key Lab Phytochem & Plant Resources W China, Kunming Inst Bot, Kunming 650204, Peoples R China
Recommended Citation
GB/T 7714
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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