Studies on chemical constituents in roots of Heracleum rapula / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents in roots of Heracleum rapula.</p><p><b>METHOD</b>The constituents were isolated by column chromatography on silica gel and ODS, and identified by spectroscopic methods.</p><p><b>RESULT</b>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.</p><p><b>CONCLUSION</b>Compounds VI, VII, VIII, IX were isolated from this plant for the first time.</p>