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Updated: Apr 26, 2026

Preparation of Gynura bicolor DC samples for High-Resolution Tandem Mass Spectrometry
Published on: February 2, 2024
[Chemical constituents from Dichotella gemmacea]
Objective:
To study the chemical constituents from Dichotella gemmacea.
Methods:
Chemical constituents were isolated by silica gel and Sephadex LH-20 column chromatography. The structures of the isolated compounds were elucidated through spectroscopic analysis.
Results:
Eight compounds were identified as fragilide J(I), junceelldide D(II), junceellin A (IlI), juncin P(IV), dichotellides A (V), cerevisterol (VI), 1,2-diphenyldiselane (VII) and 5H-pyrido[4,3-b] indole (VIII).
Conclusion:
Compounds VI, VII and VIII are isolated from Dichotella gemmacea for the first time.
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