Qualitative and quantitative determination of tween 80 in 42 traditional Chinese medicine injections
AIM:To determine the content of 42 traditional Chinese medicine injections.METHODS:Cobalt thiocyanate ammonium color-developing method and silicon thin-layer chromatography qualitatively detect the Tween80 of the traditional Chinese medicine injections,colorimetic determine the content of Tween80.RESULTS:Fifteen traditional Chinese medicine injections including the Houttuynia cordata injection and so on contained Tween80.the content were from 0.72±0.00 to 6.85±0.02 g/L respectively,the other injections were not checked out.CoNCLUSION:The addition of Tween80 in the traditional Chinese medicine injections remains to strengthen supervision and standardize.
traditional Chinese medicine injectionsTween80cobalt thiocyanate ammonium color-developing methodthin-layer chromatographycolorimetic