Quality Standard of Yijing Xiaotong Capsule / 中国药房

ABSTRACT

OBJECTIVE:To establish the quality standard of Yijing xiaotong capsules.METHODS:The constituents of Angelica sinensis,Salvia miltiorrhiza,Cinnamomum cassia and Corydalis yanhusuo in Yijing xiaotong capsules were identified by TLC;and the content of ferulic acid in A.sinensis was determined by HPLC.RESULTS:The TLC spots of A.sinensis,S.miltiorrhiza,C.cassia and C.yanhusuo were all distinctive and well-separated.The calibration curve was linear for ferulic acid in the range of 0.002 8～0.044 8 ?g?mL-1(r=0.999 9)and its average recovery was 98.46%(RSD=1.53%,n=6).CONCLUSION:The established standard is suitable for the quality control of Yijing xiaotong capsule.