Objective: To establish a RRLC-UV method for simultaneous determination of oxypeucedanin hydrate, bergapten, oxypeucedanin, imperatorin, cnidilin and oxypeucedanin in Angelica dahurica var. formosana.
Method: The analysis was carried out on a Agilent Zorbax SB-C, (4.6 mm x 100 mm, 1.8 microm) column eluted with the mobile phases of methanol (A)-water (B) in gradient elution. The flow rate was 1.0 mL x min(-1), and the UV detection wavelength was set at 310 nm.
Result: All calibration curves of six coumarins showed good linearity regression within test ranges (r > 0.9998), and the overrall recoveries were in the range of 99.42%-101.4%, with RSD less than 2.4%.
Conclusion: The method is simple, sensitive, reliable and reproducible which can be used for the quality study of Angelica dahurica var. formnosana.
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