In the present study, we extracted Angelica pubescens (AP) with various solvents in order to find the bioactive constituents that demonstrated analgesic and anti-inflammatory effects. The results were obtained as follows: (1) Methanol-, chloroform-, and ethyl acetate-extracts effectively reduced the pain that was induced by 1% acetic acid and a hot plate. (2) Methanol-, chloroform-, and ethyl acetate-extracts reduced the edema that was induced by 3% formalin or 1.5% carrageenan. (3) Sixteen compounds have been isolated and identified from the roots of AP. Among these compounds, columbianadin, columbianetin acetate, bergapten, umbelliferone, and caffeic acid significantly demonstrated anti-inflammatory and analgesic activities at 10 mg/kg. However, only osthole and xanthotoxin revealed anti-inflammatory activity. Isoimperatorin only demonstrated an analgesic effect. These results revealed that the anti-inflammatory and analgesic constituents from roots of AP were related to peripheral inhibition of inflammatory substances and to the influence on the central nervous system.
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