[Study on Chemical Composition of Phyllanthus emblica].

OBJECTIVE: To study the chemical constituents of Phyllanthus emblica. METHODS: The chemical constituents were isolated and purified by silica gel, polyamide and Sephadex LH-20 chromatography. Their structures were elucidated by physicochemical proper- ties and spectral analysis. RESULTS: 13 compounds were isolated and identified as Triacontanol (1), Triacontanoic acid (2), ß-Amyrin ke- tone (3), Betulonic acid (4), Daucosterol (5), Lupeol acetate (6), ß-Amyrin-3-palmitate (7), Gallic acid (8), Betulinic acid (9), Ursolic acid (10), Oleanolic acid (11), Quercetin (12) and Rutin (13). CONCLUSION: Compounds 1,2,4,6,7,9,10 and 11 are obtained from Phyllanthus emblica for the first time.