Studies on Quality of Radix Angelicae Lateralis Preparata

High performance liquid chromatography was employed for the determination of ferulic acid in Radix Angelicae Lateralis Preparata. The total ash, acid _ insoluble ash and ethanol _ soluble extractives in the medicinal material were also determined. The total ash of 7.27%, acid _ insoluble ash of 1.62%, ethanol _ soluble extractives of 56.2%, and ferulic acid content of 0.058% were obtained. These results offer the preliminary help for the quality control on Radix Angelicae Lateralis Preparata.