Studies on the chemical constituents in herb of Mentha haplocalyx / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents of Mentha haplocalyx.</p><p><b>METHOD</b>The chemical constituents were isolated and purified with column chromatography and the structures were elucidated by spectral analysis.</p><p><b>RESULT</b>Nine compounds were obtained and identified as emodin (I), chrysophanol (II), physcione (II), benzoic acid (IV), trans-cinnamic acid (V), beta-sitosterol (VI), aloe-emodin (VII), ursolic acid (VIII) and daucosterol (IX).</p><p><b>CONCLUSION</b>Compounds I, II, III, V, VII were first isolated from M. haplocalyx.</p>