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Updated: Aug 20, 2026
High-resolution Tandem Mass Spectrometry for Studying Chemical Constituents of Gynura bicolor DC
Published on: February 2, 2024
[Studies on chemical constituents in leafs of Clerodendron fragrans]
Li-ming Gao1, Xiao-mei Wei, Yang-qing He
1Chemistry & chemical Engineering College, Northwest Normal University, Lanzhou 730070, Gansu, China. Gaolm@nwnu.edu.cn
Objective:
To separate and identify the constituents from Clerodendron fragrans.
Method:
The constituents were isolated and purified with chromatographic methods, identified by NMR, MS, IR.
Result:
Beta-sitosterol (1), clerosterol (2), daucosterol (3), caffeic acid (4), kaempferol (5), 5,4'-dihydroxy-kaempferol-7-O-beta-rutinoside (6), acteoside (7) and leucoseceptoside A (8), were isolated and identified.
Conclusion:
Compound 7 and 8 were identified for the first time from Clerodendron fragrans.
