A New Stigmasterol Ester from Aeschynomene indica / 中草药·英文版

Objective To study the chemical constituents of Aeschynomene indica.Methods The constituents were isolated and purified by means of silica gel column chromatography and recrytallization,and the structures were elucidated by physicochemical properties and spectral analyses.Results Twelve compounds were obtained and elucidated as stigmasterol tritriacontanate (1),monotetracontane (2),taraxerol (3),stigmasterol (4),stearic acid (5),heptatriacontanoic acid (6),arachidic acid (7),ursolic acid acetate (8),quercetin (9),myricetin (10),myricetin-3-O-rhamnoside (11),and rutoside (12).Conclusion All the compounds are isolated from this plant for the first time and compound 1 is a new one.