OBJECTIVE To prepare vitamin C sustained-release tablets and determine their in vitro release rate.
目的:研制维生素c微囊并制成缓释片剂,评价其体外释放特性。
METHODS Use solvent-non-methods to prepare vitamin C sustained-release tablets, UV method was used to determine its content and the in vitro release rate was determined by rotate basket method.
方法:采用溶剂-非溶剂法制备维生素C微囊,制成缓释片剂,采用紫外分光光度法测定其载药量,采用转篮法测定体外释放特性。
应用推荐