Study on Quality Standard of Apricot Kernel Cough Mixture / 中国中医药信息杂志

ABSTRACT

Objective To study the quality control method of apricot kernel cough mixture.Methods Chinese ephedra,liquorice and honeysuckle in apricot kernel cough mixture were qualitative examined by thin-layered chromatography(TLC),and the content of ephedrine hydrochloride was measured by high performance liquid chromatography(HPLC).Results The spots in the TLC of Chinese ephedra,liquorice and honeysuckl were in the same color with those in the chormatograms of control articles.For ephedrine hydrochloride,linear range was 0.020 0～0.200 0 ?g and the average recovery was 99.22%.Conclusion The quality control is simple,accurate and highly sensitive.The methods can be used for quality control of apricot kernel cough mixture.