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齐墩果酸骨架缓释片释药影响因素的考察

Herald of Medicine(2009)

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Abstract
目的对齐墩果酸缓释片的释药影响因素进行考察。方法采用羟丙甲基纤维素(HPMC)为缓释骨架材料;对影响释药因素,如HPMC的黏度与用量、粘合剂的种类、润湿剂的浓度、制备工艺等进行考察。结果HPMC的黏度与用量,粘合剂的种类对缓释片的释药有显著影响;润湿剂的浓度、片剂的硬度、制备工艺及溶出装置对缓释片的释药无明显影响。结论通过影响因素的考察,制备体外具有良好缓释效果的齐墩果酸缓释片,可进一步进行体内释药行为考察。
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Key words
Sustained-release,Dissolution rate,HPMC,Oleanolic acid
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