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[Study on the chemical constituents in roots of Gentiana dahurica].

Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials (2012-01-12)
Qian-Liang Chen, Zhang-Yan Shi, Ya-Hui Zhang, Jiang-Bin Zheng
ABSTRACT

To systematically study the chemical constituents in the roots of Gentiana dahurica. Various column chromatographic techniques were used for isolation and purification. The structures were elucidated on the basis of spectral data (UV, IR, MS, NMR) and identified by comparing with the authentic substance. Seven compounds were isolated and identified as: roburic acid (1), oleanolic acid (2), beta-sitosterol (3), daucosterol (4), gentiopicroside(5), swertiamarine (6), sweroside (7). Compounds 1, 2 and 4 are isolated from this plant for the first time.

MATERIALS
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Product Description

Supelco
β-Sitosterol β-D-glucoside, analytical standard