硫酸锌缓释制剂的研制

STUDIES ON SUSTAINED-RELEASE TABLETS OF ZINC SULFATE

摘要: 本文研制了三种硫酸锌缓释制剂—骨架型缓释片A、膜控型缓释片B及缓释微丸C,建立了锌的体外分光光度法。服用硫酸锌制剂前后的体内血浆锌浓用原子吸收分光光度法测定,将净增血浆锌浓按Ka=K带时滞的单室药动学模型,经计算机用Guass-Newton-Damping法处理求得药动学参数,血浆锌浓度拟合值与实测值一致。与市售硫酸锌糖衣片相比,A、B对大鼠及家兔胃的急、慢性刺激性大为降低,甚至小于葡萄糖酸锌胶囊。

Abstract: Three sustained-release tablets consisting of an oral matrix (A), a membrane controlled-release tablet (B)and an encapsulated sustained-release pellets (C) were developed in order to reduce the gastrointestinal irritation upon administration. A spectropho