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ID:33327486
大小:1.57 MB
页数:6页
时间:2019-02-24
《星点设计-效应面法优化柘树提取物片剂处方》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、复旦学报(医学版)FudanUnivJMedSci2008May,35(3)363星点设计-效应面法优化柘树提取物片剂处方吴海健12△121△王建新黄建明韩丽妹侯爱君(1复旦大学药学院生药学教研室,2药剂学教研室上海200032)【摘要】目的通过星点设计-效应面法优化柘树提取物片剂处方。方法以微晶纤维素(microcrystallinecellulose,MCC)的用量、乳糖的用量和黏合剂聚维酮(polyvinylpynolidone,PVP)的浓度为考察因素,以崩解时间和3个有效成分的溶出度为考察指标,分别用多元线性模型、二次多项
2、式模型描述考察指标和3个考察因素之间的数学关系,绘制效应面和等高线图,确定较优处方并进行验证试验。结果根据二次多项式模型,发现3个考察因素和4个考察指标之间存在可信的定量关系;优选的最佳处方为MCC的用量40mg,乳糖的用量为70mg,PVP浓度为4%,优化处方各设定的预测值和测定值非常接近。结论采用星点设计-效应面法,得到了基于二次多项式模型的柘树提取物片剂处方优化模型,实现了该片剂的处方优化。【关键词】柘树提取物片;星点设计;效应面法【中图分类号】R284.2【文献标识码】A犗狆狋犻犿犻狕犪狋犻狅狀狅犳犆狌犱狉犪狀犻犪犲狓狋狉犪
3、犮狋狌犿狋犪犫犾犲狋狊犳狅狉犿狌犾犪狋犻狅狀犫狔犮犲狀狋狉犪犾犮狅犿狆狅狊犻狋犲犱犲狊犻犵狀狉犲狊狆狅狀狊犲狊狌狉犳犪犮犲犿犲狋犺狅犱狅犾狅犵狔1,WANGJianxin2△,HUANGJianming1,HANLimei2,HOUAijun1△WUHaijian(12犇犲狆犪狉狋犿犲狀狋狅犳犘犺犪狉犿犪犮狅犵狀狅狊狔,犇犲狆犪狉狋犿犲狀狋狅犳犘犺犪狉犿犪犮犲狌狋犻犮狊,犛犮犺狅狅犾狅犳犘犺犪狉犿犪犮狔,犉狌犱犪狀犝狀犻狏犲狉狊犻狋狔,犛犺犪狀犵犺犪犻200032,犆犺犻狀犪)【犃犫狊狋狉犪犮狋】犗犫犼犲犮狋犻狏犲Too
4、ptimizetheformulationof犆狌犱狉犪狀犻犪extractumtabletsbythecentralcompositedesignresponsesurfacemethodology.犕犲狋犺狅犱狊Intheformulationdesignusingresponsesurfacemethodologypluscentralcompositedesign,independentvariablesincludedtheamountsofmicrocrystallinecellulose(MCC),lactos
5、e,andthepolyvinylpynolidone(PVP)contentin95%EtOH.Disintegrationtimeoftabletsanddissolutionofthreeactivecomponentsintheextractumat45minutesweretakenasdependentvariables.Multilinearandquadraticmodelswereusedtoestimatetherelationshipbetweenthedependentandtheindependentva
6、riables,andtodelineateresponsesurfacemethod(RSM)andoverlaycontourplotsinordertoselecttheoptimalformulations.Finally,predictedresponseswereverified.犚犲狊狌犾狋狊Thequantitativerelationshipsbetweenthreefactorsandfourevaluationindexeswerecharacterized.Optimalformulationwaspropo
7、sedtocontainMCC40mg,lactose70mg,and4%PVP.Dissolutiontestoftheselectedoptimalformulationindicatedthatthereexistedhighapproximationbetweentheobservedandestimatedvalues.犆狅狀犮犾狌狊犻狅狀狊Themutiobjectivesimultaneousoptimizationof犆狌犱狉犪狀犻犪extractumtabletsformulationcouldbeachie
8、vedbythecentralcompositedesignandresponsesurfacemethodology.【犓犲狔狑狅狉犱狊】犆狌犱狉犪狀犻犪extractumtablets;centralcompositedesign
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