Objective: To study the chemical constitutents in Peucedanum medium var. gracile distributed in Guangxi.
Method: Chromatography and spectral analysis were used to isolated and elucidate the constituents.
Result: Eight compounds were isolated from the root of P. medium var. gracile and elucidated as isoimperatorin, phellopterin, bergapten, oxypeucedanin hydrate, byakangelicin beta-sitosterol, hamaudol and mannitol.
Conclusion: Seven compounds were obtained from this plant for the first time.