Preparation of Ligustrazine Hydrochloride Liposome and Evaluation of the Quality / 中国药房

OBJECTIVE:To study the preparation of the ligustrazine hydrochloride liposome and evaluate its quality.METHODS:The liposome was prepared by various methods on a trial basis.The entrapped efficiency(EE)of the liposome derived from passive loading and active loading was compared.RESULTS:The ammonim sulfate gradient technology had the highest EE of 48.63%and its mean size was 6.5?m and the pH was 5.93.It was stable in refrigeratory(4℃～10℃)storage for 30 days.CONCLUSION:The ammonim sulfate gradient technology of preparation of the ligustrazine hydrochloride liposome is feasible.