Quercetin2007

[Studies on chemical constituents of Cercis chinensis].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

confidence

Key findings

Nine compounds isolated from Cercis chinensis, including quercetin; no clinical or biological endpoints reported.

Sample size: Not reported
Population: Not applicable (chemical isolation study)
Dosing: Not reported
Duration: Not reported
Route: Not reported
Blinding: not_reported
Controls: none
Drug class: flavonoid

Full abstract

To study the chemical constituents from the aerial part of Cercis chinensis. The constituents of C. chinensis were separated with various chromatographic techniques and their structures were elucidated by means of spectral analysis and physico-chemical properties. Nine compounds were isolated from C. chinensis. They were identified as 3-O-methylquercetin (1), quercetin (2), (2R,3R)-3, 5, 7, 3', 5'-pentahydroxyflavan (3), 3', 5, 5', 7-tetrahydroxyflavanone (4), [+]-taxifolin (5), (2R)-naringenin (6), friedelin (7), beta-sitosterol (8), daucosterin (9). compounds 1 and 3-7 were isolated from the genus Cercis for the first time.

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