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A New Flavone C-Glycoside from Clematis rehderiana
Du, ZZ; Yang, XW; Han, H; Cai, XH; Luo, XD;;;
Source PublicationMOLECULES
AbstractA new flavone C-glycoside, isovitexin 6 ''-O-E-p-coumarate (1) and two known flavonoid glycosides-quercetin 3-O-beta-D-glucuronopyranoside (2) and isoorientin (3)were isolated from an ethanol extract of aerial parts of Clematis rehderiana. Their structures were determined by spectroscopic methods. The antioxidant effects of the two flavone C-glycosides were evaluated by both the MTT and DPPH assays. Compound 1 showed potent activities against H2O2-induced impairment in PC12 cells within the concentration range tested, whereas compound 3 scavenged DPPH radical strongly, with an IC50 value of 13.5 mu M.
Department[Du, Zhi-Zhi; Han, Hao; Cai, Xiang-Hai; Luo, Xiao-Dong] Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China; [Yang, Xian-Wen] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Peoples R China
KeywordClematis Rehderiana Flavonoide Glycosides Antioxidant
Subject AreaChemistry, Organic
Indexed Bysci
Funding ProjectLMB
WOS IDWOS:000274929200008
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Document Type期刊论文
Recommended Citation
GB/T 7714
Du, ZZ,Yang, XW,Han, H,et al. A New Flavone C-Glycoside from Clematis rehderiana[J]. MOLECULES,2010,15(2):672-679.
APA Du, ZZ.,Yang, XW.,Han, H.,Cai, XH.,Luo, XD.,...& New Flavone C-Glycoside from Clematis rehderiana.MOLECULES,15(2),672-679.
MLA Du, ZZ,et al."A New Flavone C-Glycoside from Clematis rehderiana".MOLECULES 15.2(2010):672-679.
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