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Updated: May 25, 2026
High-resolution Tandem Mass Spectrometry for Studying Chemical Constituents of Gynura bicolor DC
Published on: February 2, 2024
[Study on chemical constituents from the root of Hemerocallis citrina]
Zhi-Xiong Zhang1, Yong-Feng Liang
1Ningxia Hui Autonomous Region Guyuan Sanitary Supervision Institute, Guyuan 756000, China. nxgy2006@126.com
Objective:
To study the chemical constituents root of Hemerocallis citrina.
Methods:
The chemical constituents were extracted by microwave method and purified by silica gel column. Their structures were elucidated by their physical and chemical properties and spectral methods.
Results:
7 compounds were isolated and identified as: chrysophanol(I), 2-methoxy-obtusifolin(II), obtusifolin (III), rhein (IV), aloe-emodin (V), hemerocallone ( VI) and hemerocallin (VII).
Conclusion:
Compounds IV and VI are isolated from this plant for the first time.
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