【摘 要】
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Objective To study the chemical constituents of Citrullus colocynthis.Methods The chemical constituents were isolated and purified by column chromatography on
【机 构】
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Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan,Key Laboratory of T
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Objective To study the chemical constituents of Citrullus colocynthis.Methods The 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.Results Eleven compounds were isolated and identified as β-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).Conclusion Compound 6 is a novel compound.Compounds 1-5,7,9,and 10 are isolated from C.colocynthis for the first time.
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