Simultaneous Characterisation of Fifty Coumarins from the Roots of <i>Angelica dahurica</i> by Off‐line Two‐dimensional High‐performance Liquid Chromatography Coupled with Electrospray Ionisation Tandem Mass Spectrometry

Abstract

The method described here allows rapid and convenient identification of the coumarins in A. dahurica, and may be applied to other herbal medicines containing linear furanocoumarins.