Studies on constituents from root and stem of Ervatamia hainanensis / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the constituents of Ervatamia hainanensis systematically.</p><p><b>METHOD</b>Various chromatographic techniques were applied to isolate and purify the constituents of this plant. The structures were elucidated by spectroscopic analysis.</p><p><b>RESULT</b>Eight compounds were obtained, which were identified as alpha-amyrin acetate (1), 11-oxo-alpha-amyrin acetate (2), beta-sitosterol (3), cycloart-23-ene-3beta, 25-diol(4), cycloart-25-ene-3beta, 24-diol (5), 5alpha, 8alpha-epidioxyergosta-6, 22-dien-3beta-ol (6), ibogamin-3-one (7), beta-daucosterol (8).</p><p><b>CONCLUSION</b>Compounds 1, 2, 4- 7 were isolated from this plant for the first time.</p>