Studies on chemical constituents from flowers of Apocynum venetum / 中国中药杂志

<p><b>OBJECTIVE</b>To study the chemical constituents of the flowers of Apocynum venetum.</p><p><b>METHOD</b>Chromatographic methods were used to isolate compounds from the flowers of A. venetum and spectral methods were used to identify the structures of the isolated compounds.</p><p><b>RESULT</b>Seven compounds, kaempferol (I), quercetin (II), quercetin-3-O-beta-D-glucoside (III), kaempferol-3-O-beta-D-glucoside (IV), vanillic acid (V), baimaside (VI), daucosterol (III), were isolated from the flowers of A. venetum.</p><p><b>CONCLUSION</b>Compound I, V, VI, VII were obtained from this plant for the first time.</p>