Studies on chemical constituents from Tibetan medicine wangla(rhizome of Coeloglossum viride var. bracteatum) / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents of Tibetan Madicine Wangla.</p><p><b>METHOD</b>Sepearing the chemical constituents by means of chromatography and identifying their structures on the basis of MS and NMR spectra and TLC with authentic samples.</p><p><b>RESULT</b>Eight compounds were isolated as 4-[(4-hydroxyphenyl) methoxy]benzenemethanol(I), 4,4'-dihydroxydiphenyl methane(II), 4,4'-dihydroxydibenzyl ether(III), gastrodin(IV), 4-hydroxy benzenemethanol(V), 4-hydroxybenz aldehyde(VI), beta-sitosterol(VII) and beta-daucosterol(VIII).</p><p><b>CONCLUSION</b>All the compounds were obtained from genus Coeloglassum for the first time. The compound I is a new natural product.</p>