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作 者:马晓星[1,2] 隋小宇 刘畅[1] 李慧[3] 朱文全 徐涛 张宏宇[1] 李永吉 韩翠艳[1] MA Xiaoxing;SUI Xiaoyu;LIU Chang;LI Hui;ZHU Wenquan;XU Tao;ZHANG Hongyu;LI Yongji;HAN Cuiyan(School of Pharmacy,Qiqihar Medical College,Heilongjiang Qiqihar 161006,China;College of Pharmacy,Heilongjiang University of Chinese Medicine,Heilongjiang Harbin 150040,China;Institute of Astragalus Industry,Qiqihar Medical University,Heilongjiang Qiqihar 161006,China)
机构地区:[1]齐齐哈尔医学院药学院,黑龙江齐齐哈尔161006 [2]黑龙江中医药大学药学院,黑龙江哈尔滨150040 [3]齐齐哈尔医学院黄芪产业研究院,黑龙江齐齐哈尔161006
出 处:《中国医院药学杂志》2024年第7期796-801,858,共7页Chinese Journal of Hospital Pharmacy
基 金:齐齐哈尔市科技计划联合引导项目(编号:LSFGG-2022043)。
摘 要:目的:采用Box-Behnken响应面法优化厚朴酚与小檗碱共载脂质体(Lip-MB)的处方工艺。方法:HPLC法同时测定小檗碱、厚朴酚含量。薄膜分散结合pH梯度法制备Lip-MB。在单因素考察基础上,采用Box-Behnken响应面法,以小檗碱和厚朴酚包封率为指标,优选Lip-MB最佳处方和工艺。同时对Lip-MB形态、粒径、Zeta电位、释放度进行评价。结果:最优处方工艺为HSPC与CHOL质量比3.6∶1、药脂比1∶23、外水相pH 8.4、孵育温度59℃。小檗碱和厚朴酚在Lip-MB中的包封率分别为(91.74±1.91)%和(83.17±1.05)%。平均粒径为(106.6±2.60)nm,Zeta电位为(–9.88±2.33)mV,小檗碱和厚朴酚84 h累积释放度分别为98.41%和81.83%。结论:Box-Behnken响应面法所建立的模型可用于Lip-MB的处方工艺优化。优化的Lip-MB包封率较高,粒径小,分布均匀,具有缓释作用。OBJECTIVE To optimize the formulation of berberine and magnolol co-loaded liposomes(Lip-MB)by Box-Behnken response surface method.METHODS The content of berberine and magnolol was determined by high performance liquid chromatography(HPLC).Lip-MB was prepared by thin-film dispersion plus pH gradient method.Based upon the results of single factor experiment,Box-Behnken response surface method was employed for optimizing the formulation with berberine and magnolol encapsulation efficiency as dependent variables.Morphology,particle size,zeta potential and in vitro release of Lip-MB were evaluated.RESULTS The optimal formulation process was as follow:mass ratio of hydrogenated soybean phosphotidylcholine(HSPC)to cholesterol(CHOL)3.6∶1,drug-to-lipid ratio 1∶23,pH value of external aqueous phase 8.4 and incubation temperature of 59℃.The encapsulation efficiencies of berberine and magnolol in Lip-MB were(91.74±1.91)%and(83.17±1.05)%.Average particle size of liposomes was(106.6±2.60)nm and Zeta potential(–9.88±2.33)mV.Cumulative release rates of berberine and magnolol were 98.41%and 81.83%within 84h respectively.CONCLUSION The model established by Box-Behnken design-response surface method may be employed for optimizing the formulation of Lip-MB.And optimized liposomes offer high encapsulation efficiency,small particle size,uniform distribution and slow release effect.
关 键 词:小檗碱 厚朴酚 Box-Behnken响应面法 脂质体
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