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马钱子碱体外经皮吸收性质考察 被引量:5

Study on Transdermal Absorption Characteristics of Brucine in vitro
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摘要 目的:考察马钱子碱的体外经皮吸收性质。方法:测定马钱子碱的油水分配系数。采用改良的Franz扩散池进行体外经皮吸收实验,选择离体大鼠腹部皮肤为渗透屏障,HPLC法测定马钱子碱的浓度。结果:不同温度下马钱子碱的油水分配系数在4.05~5.02之间。0.5和1 mg/m l的马钱子碱游离溶液的经皮吸收速率分别为(1.83±0.50)和(3.74±1.54)μg/cm2.h,24 h累积透过百分率分别为(51.30±18.51)%和(50.01±12.80)%。结论:本研究为马钱子碱经皮吸收制剂设计提供了实验依据。 Objective: To study the transdermal absorption characteristics of brucine in vitro.Methods: The oil-water partition coefficient of brucine was measured.Drug permeation tests were performed through excised rat skin in improved Franz diffusion cell.Brucine concentration in samples was determined by HPLC.Results: The oil-water partition coefficient of brucine was between 4.05 and 5.02 at different temperatures.The permeation rate of 0.5 and 1 mg/ml brucine solution were(1.83±0.85)and(3.74±1.54)μg/cm2·h,respect...
出处 《中药材》 CAS CSCD 北大核心 2008年第3期445-447,共3页 Journal of Chinese Medicinal Materials
关键词 马钱子碱 经皮吸收 油水分配系数 Brucine Transdermal absorption Oil-water partition coefficiency
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