Studies on involatile constituents of Mentha haplocalyx / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To promote its comprehensive utilization, the involatile constituents of Mentha haplocalyx were studied systematically.</p><p><b>METHOD</b>The chemical components were isolated and purified by silca gel column chromatography and recrystallization. The chemical structures were elucidated on the basis of physico-chemical properties and spectral data.</p><p><b>RESULT</b>Eight compounds were isolated and identified as acacetin (I), tilianine (II), linarin (III), n-butyl-beta-D-fructopyranoside (IV), ursolic acid (V), oleanolic acid (VI), beta-sitosterol (VII), daucosterol (VIII).</p><p><b>CONCLUSION</b>Compounds I approximately V were obtained from this plant for the first time.</p>