雷尼替丁盐酸盐(1,呋喃硝胺、甲硝呋胍),系一非咪唑类 H_2受体阻滞药。目前国内已有150mg 规格的糖衣片和胶囊剂。1的粉末吸湿性很强,遇少量水甚至以少量10％淀粉浆制粒即由原来的淡黄色粉末变为深黄色粘稠物。国内外的胶囊制品均在包装中放有干燥剂,但仍不能保证其不受潮变质。为提高胶囊剂在生产和贮藏中的稳定 Ranitidine hydrochloride (1, nitrofurantoin, tolbutamide), a non-imidazole H_2 blockers. At present, there are 150mg specifications of sugar-coated tablets and capsules. 1 powder hygroscopic very strong, in case of a small amount of water or even a small amount of 10% starch slurry from the original pale yellow powder into a dark yellow viscous material. Capsule products at home and abroad are placed in the packaging desiccant, but still can not guarantee that it will not damp metamorphism. In order to improve the stability of capsules in production and storage