Preparation and Quality Control of Nicotinamide Gel / 中国药房

OBJECTIVE: To prepare Nicotinamide gel and to establish its quality control method.METHODS: Nicotinamide gel was prepared using nicotinamide as main ingredient,and the content of nicotinamide was determined by UV-visible spectrophotometry.RESULTS: Preparation was colorless gel,and its identification and test were all in conformity with the related regulation stated in Chinese Pharmacopoeia(2010 edition).The linear range of nicotinamide was 6.24～16.64 ?g?mL-1(r=0.999 5) with an average recovery rate of 102.0%(RSD=0.33%,n=5).CONCLUSION: The preparation procedure is simple and feasible,and the quality of the preparation is stable and controllable.