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Updated: Aug 8, 2026

A Method to Preserve Wetland Roots and Rhizospheres for Elemental Imaging
Published on: February 15, 2021
[Studies on chemical constituents in roots of Heracleum rapula]
Yuan-Yan Liu1, Cun Zhang, Li Li
1Institute of Chinese Materia Madica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
Objective:
To study the chemical constituents in roots of Heracleum rapula.
Method:
The constituents were isolated by column chromatography on silica gel and ODS, and identified by spectroscopic methods.
Result:
Nine compounds, osthol ( I ), bergapten (II), xanthotoxin (III), isopimpinellin (IV), imperatorin (V), isoimperatorin (VI), cnidilin (VII), phellopterin (VIII), rivulobirin A (IX) were isolated and identified.
Conclusion:
Compounds VI, VII, VIII, IX were isolated from this plant for the first time.
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