枸櫞酸鐵腸溶微囊的制備及評價
發(fā)布時間:2018-11-21 19:21
【摘要】:以丙烯酸樹脂Ⅱ為囊材,采用乳化溶劑揮發(fā)法制備五水合枸櫞酸鐵腸溶微囊。以包封率為評價指標,通過響應(yīng)面法優(yōu)化制備工藝。優(yōu)化后的處方為五水合枸櫞酸鐵0.26 g,液體石蠟160 ml,滑石粉0.32 g,Span-80 0.68 g。建立了火焰原子吸收光譜法測定微囊中鐵元素含量。結(jié)果顯示,優(yōu)化所得的微囊表面光滑圓整,平均粒徑為240μm,載藥量21.5%,包封率94.1%,在pH 1.0鹽酸中120min內(nèi)溶出率低于10%,而在pH 6.8磷酸鹽緩沖液中約80%。
[Abstract]:The enteric microcapsules of ferric citrate pentahydrate were prepared by emulsifying solvent volatilization with acrylic resin 鈪,
本文編號:2348044
[Abstract]:The enteric microcapsules of ferric citrate pentahydrate were prepared by emulsifying solvent volatilization with acrylic resin 鈪,
本文編號:2348044
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