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[Studies on the Chemical Constituents in Root of Gentiana Macrophylla From Shaanxi]

[Studies on the Chemical Constituents in Root of Gentiana Macrophylla From Shaanxi]

Qian-Liang Chen, Zhang-Yan Shi, Guang-Zhong Tu, Wen-Ji Sun

Zhongguo Zhong Yao Za Zhi. 2005 Oct;30(19):1519-22.

PMID: 16335823

Abstract:

Objective:
To in vestigate the constituents in root of Gentiana macrophylla.
Method:
Various column chromatographic techniques were used for isolation and purification of the principles. The structures were elucidated on the basis of spectral data (UV, IR, MS, 1H-, 13C-NMR etc.) and identified by comparing with standard substance.
Result:
Eight compounds were identified. Four compounds isolated from the chloroform fraction are: 5-carboxyl-3,4-dihydrogen-1H-2-benzopyran-1-one (1), erythrocentauric acid (2), roburic acid (3), oleanolic acid (4). Water fraction gave four known secoiridoid glucosides. They were: gentiopicroside (5), swertiamarine (6), sweroside (7), 6'-O-beta-D-glucosylgentiopicroside (8).
Conclusion:
1 is a novel compound. It was named as erythrocentauric acid. 2 was isolated from genus Gentiana and 8 was isolated from G. macrophylla for the first time.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP17388395-B	Swertiamarine		17388-39-5	Price
AP6812813	Roburic acid		6812-81-3	Price

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