Quality Standard of Mageng Phlegm-eliminating Oral Liquid / 中国药房

ABSTRACT

OBJECTIVE:To establish the quality standard of Mageng phlegm - eliminating oral liquid.METHODS:Herba Ephedrae,Platycodon grandiflorum and Ophiopogon japonicus in Mageng phlegm - eliminating oral liquid were identified qualitatively by TLC,and the content of baicalin was determined by HPLC.RESULTS:Herba Ephedrae,Platycodon grandiflorum and Ophiopogon japonicus had been successfully detected by TLC.The linear range of baicalin was 0.102～1.734?g (r = 0.9996) with an average recovery of 97.19%(RSD = 1.20%,n = 6).CONCLUSION:The established quality standard is applicable for the quality control of Mageng phlegm -eliminating oral liquid.