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翻转肠囊法研究吸收促进剂对小肠吸收苦参碱的作用

Progress in Pharmaceutical Sciences(2004)

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Abstract
目的:研究不同吸收促进剂对苦参碱小肠吸收的促进作用.方法:采用离体小肠翻转肠囊实验,考察了卵磷脂、脱氧胆酸钠、吐温-80、波洛沙姆188和十二烷基硫酸钠对苦参碱小肠吸收的促进效果,并根据对计算苦参碱的表观渗透系数Papp和增渗比ER来选择最佳的吸收促进剂及用量.结果:苦参碱在空肠、十二指肠、回肠吸收速率没有显著性差异(Ρ>0.05).在几种促进剂中,以0.2%SDS对苦参碱的吸收促进作用最为明显,Papp=3.36×10-5 cm/s,ER=1.99.结论:加入促进剂0.2%SDS可以增加苦参碱的离体小肠吸收.
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Key words
matrine small intestines absorption,absorption enhancers,everted gut sacs
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