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Updated: Jun 28, 2026

High-resolution Tandem Mass Spectrometry for Studying Chemical Constituents of Gynura bicolor DC
Published on: February 2, 2024
[Chemical constituents from bark of Caragana opulens]
Zhong-Duo Yang1, An-Rong Xiao, Xu Zhang
1College of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China. yangzhongduo@126.com
Objective:
To investigate the chemical constituents of the bark of Caragana opulens.
Methods:
The constituents of the CH3Cl-soluble portion in the 95% ethanol extract were isolated and purified by means of chromatography. The compounds were identified by their physical characteristics and spectral features.
Results:
Eight compounds were isolated and identified as encelin(1), (+)-13-Hydroxyspathulenol(2), (+) -3alpha,9beta-aromaden dranediol(3), quercetin(4), penduletin(5), lupenol(6), Lup-20(29) -en-3-one (7), beta-sitosterol(8).
Conclusion:
Compounds 1, 2, 5, 7 are isolated for the first time from Caragana genus.
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