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九天弦88

金虫 (小有名气)

[求助] 头孢呋辛酯的溶出问题求助

我现在在做头孢呋辛酯片,昨天做了下溶出,15分钟54.14%,45分钟是78.35,离标准还差一点,就想知道怎样才能增大溶出,在辅料都是用国产的前提下,上市样品溶出是15分钟89.77%,45分钟是93.08%,还有原研的辅料里加了丙二醇,和三种防腐剂,不知道有什么作用吗?高手请指点~~我用的是湿法制粒顺便说下~~
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学者帅哥

木虫 (正式写手)

【答案】应助回帖

九天弦88(金币+1): 2011-11-30 16:09:48
丙二醇,属于助溶剂,有增加活性成分的释放
学而不厌
2楼2011-11-30 15:32:50
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rill

木虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
九天弦88(金币+1): 2011-12-21 08:23:22
改粉末直接压片或者干法制粒,对溶出度会有明显改善
3楼2011-12-19 16:37:18
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