[Chemical constituents of antibacterial activity fraction of Angelica polymorpha].

Objective: To study chemical constituents of antibacterial activity fraction of Angelica polymorpha.

Methods: Compounds were isolated by repeatedly silica gel column chromatography and recrystallization. Their structures were identified by physical and chemical evidences and spectral methods.

Results: Seven compounds were obtained from the antibacterial activity fraction, their structures were elucidated as: bisabolangelone(I), isoimperatorin (II), oxypeucedanine(III), isooxypeucedanine(IV), oxypeucedanin hydrate(V), bergapten(VI), pabulenol(VII).

Conclusion: Bisabolangelone(I) is obtained from this plant for the first time. Compound (II)-(VII) belong to linear furanocourmarins.