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Updated: Aug 18, 2026
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High-resolution Tandem Mass Spectrometry for Studying Chemical Constituents of Gynura bicolor DC
Published on: February 2, 2024
[Studies on chemical constituents in herb of Polygonum orientale]
Yong-Jun Li1, Xun He, Li-Na Liu
1School of pharmacy, Guiyang Medical College, Guiyang 550004, China. homeofwyl@21cn.com
Abstract
Objective:
To study the chemical constituents of the essential substance from Polygonum oriental.
Method:
Compounds were isolated with silica gel and polyamide chromatography and their structures were determined by spectral analysis and chemical evidence.
Result:
Six compounds were obtained and identified as myricitrin, luteolin, gallic acid, catechin, protocatechuic acid, p-hydroxycinnamic acid.
Conclusion:
Six compounds were isolated from P. oriental for the first time.
