A New Flavone C-glycoside from Citrullus colocynthis
10.3969/j.issn.1674-6384.2012.01.001
- Author:
Jing MIAO
;
Jie ZHANG
;
Shiming DENG
;
Bin DAI
- Publication Type:Journal Article
- Keywords:
citrullus;
Citrullus colocynthis;
6-C-p-methylbenzoylyitexin;
cucurbitacin;
steride
- From:
Chinese Herbal Medicines
2012;04(1):1-3
- CountryChina
- Language:Chinese
-
Abstract:
ObjectiveTo study the chemical constituents of Citrullus colocynthis.MethodsThe chemical constituents were isolated and purified by column chromatography on silica gel and Sephadex LH-20 and recrystallization as well.NMR spectra and physicochemical property were characterized for structural identification.ResultsEleven compounds wereisolatedandidentifiedasβ-sitosterol(1), α-spinasterol-3-O-β-D-glucopyranoside(2),α-spinasterone (3),bis (2-ethylhexyl) phthalate (4),p-hydroxybenzoic acid (5),6-C-p-methylbenzoylvitexin (6),dihydrocucurbitacin E (7),cucurbitacin E (8),dihydro-epi-iso-cucurbitacin D (9),dihydroisocucurbitacin B-25-acaetate (10),and cucurbitacin E 2-O-β-D-glucopyranoside (11).ConclusionCompound 6 is a novel compound.Compounds 1-5,7,9,and 10 are isolated from C.colocynthis for the first time.
