Flavonoids of Erigeron canadensis.
- Author:
Shuai SHAO
1
;
Ming-ming YANG
;
Sheng-nan BI
;
Zhi-qiang WAN
Author Information
- Publication Type:Journal Article
- MeSH: Conyza; chemistry; Flavonoids; chemistry; isolation & purification; Nuclear Magnetic Resonance, Biomolecular
- From: China Journal of Chinese Materia Medica 2012;37(19):2902-2905
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVETo study the flavonoids of Erigeron canadensis.
METHODThe constituents of EtOH extraction from the whole plant of E. canadensis were isolated and purified by repeated column chromatography. These compounds were identified by their physical and spectral data.
RESULTTwelve flavonoids were isolated and identified as quercetin-7-O-beta-D-galactopyranoside(1),quercetin(2), luteolin(3), apigenin(4),5,7,4'-trihydroxy-3'-methoxy flavone(5), quercetin-3-alpha-rhamnopyranoside(6), quercetin-3-O-beta-D-glucopyranoside(7), apigenin-7-O-beta-D-glucopyranoside(8), luteolin-7-O-beta-D-glucuronide methyl ester(9),4'-hydroxy baicalein-7-O-beta-D-glucopyranoside(10),baicalein(11),rutin(12).
CONCLUSIONCompound 1 was isolated from the Compositae family for the first time. Compound 5 and 9 were firstly isolated from the genus Erigeron. Compound 3,4,7,8 and 11 were isolated from E. canadensis for the first time.
