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Absorption characteristics in intestine of icaritin self-microemulsion via Caco-2 monolayer model

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Author:
No author available
Journal Title:
Chinese Traditional and Herbal Drugs
Issue:
3
DOI:
No doi available
Key Word:
淫羊藿苷元;自微乳;肠吸收;Caco-2细胞;表观渗透系数

Abstract: 目的 制备淫羊藿苷元自微乳,考察其理化性质及体外肠吸收特性.方法 在考察淫羊藿苷元理化性质的基础上,以油酸乙酯为油相,聚山梨酯80为乳化剂,丙三醇为助乳化剂制备淫羊藿苷元自微乳,采用透射电镜及激光粒度分析仪测定其稀释后所得微乳的形态、粒径分布和Zeta电位,并采用Caco-2细胞模型初步分析其肠吸收特性.结果 所制备的淫羊藿苷元自微乳稀释后,微乳平均粒径为55.6 nm,Zeta电位为-30.8 mV,在Caco-2细胞模型上的表观渗透系数(Papp)为(3.52±0.3)×10-6 cm/s.结论 淫羊藿苷元自微乳制剂稳定,体外研究显示自微乳系统能够促进淫羊藿苷元在肠道的吸收.

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