Result:Pseudoephedrine hydrochloride could be released continuously under different accessoial material and the liquid of wrapper through the dissolution results of pseudoephedrine hydrochloride.

• 结果:由体外释放度可知,在不同的辅料以及包衣液的条件下,盐酸伪麻黄碱片体外都具有缓释作用。