Flavonoids from the Leaves of Cerbera manghas
海芒果叶中黄酮类成分的研究

This study was designed for isolating and identifying flavonoids from leaves of Cebera manghas. The chemical constituents were isolated using various column chromatography techiques, and their structures were elucidated based on their physicochemical constants and spectral data analysis. Eight flavonoids were obtained and determined to be quercetin (1), narigenin (2), aromadendrin (3), kaempferol-7-O-glucopyranoside (4), 5-O-glucopyranosyl-7, 4'-dihydroxy-3', 5'-dimethoxy-flavanone (5), kaempferol (6), kaempferol-3-O-rutinoside (7), and rutin (8). Among which, compounds 1-6 were isolated from genus Cerbera for the first time.