Study on the improvement of quality standard for Gengnianle capsules

Objective To improve the quality standard for Gengnianle capsules.Methods TLC methods of Radix Paeoniae Alba,Radix Polygoni Multiflori,Caulis Polygoni Multiflori,Fructus Psoraleae,Radix ginseng,Radix Dipsaci and the determination of icariin in the original standard were modified.Results The improved TLC methods can obviously detect various herbs.Radix Polygoni Multiflori,Caulis Polygoni Multiflori and Fructus Psoraleae can be detected simultaneously in the same TLC,as well as Radix Ginseng and Radix Dipsaci.Conclusion The improved quality standard is simple,fast and accurate compared to the original standard,which could be better for quality control of Gengnianle capsules.