China Journal of Chinese Materia Medica 2008-08-01

[Chemical constituents from herbs of Swertia delavayi].

Cong-long Xia, Guang-ming Liu, Hao Zhang

文献索引：Zhongguo Zhong Yao Za Zhi 33(16) , 1988-90, (2008)

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摘要

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