Chemical constituents from herbs of Swertia delavayi / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To isolate and identify the chemical constituents of 95% alcohol extract from Swertia delavayi.</p><p><b>METHOD</b>The compounds were isolated and purified by column chromatogrphy and their structures were identified by the physicochemical properties and spectral analyses.</p><p><b>RESULT</b>Seven compounds were isolated and identified as oleanolic acid (1), gentiopcroside (2), swertiamarin (3), daucosterol (4), swertiadecoraxanthone-II (5), isovitexin (6), isoorientin (7).</p><p><b>CONCLUSION</b>Compounds 2-7 were isolated from S. delavayi for the first time. While the compound 6 was firstly reported from the genus Swertia.</p>