中药透皮剂的研究

透皮给药比口服和注射给药具有避免肝脏首过效应、避免胃肠道降解、避免皮肤损伤、释药速率稳定、血药浓度可控,毒副作用小,停、用药方便和给药频率低等优点,利于长期治疗。本实验中草药组成复方以水提醇沉法、回流法、浸制法制得浸膏,采用改良的Franz扩散装置,以离体鸡皮为屏障生理盐水为接受介质,用紫外分光光度法测定中药复方在不同条件下的吸光度,来判断其透皮效果。结果表明,回流法制得透皮剂浸膏的吸光度最大。回流法所制透皮剂渗透效果最佳,随着时间的延长,渗透效果不断加强,其透皮效果明显优于水提醇沉法和浸渍法;水提醇沉法和浸渍法所制透皮剂效果不显著。

Study on Chinese Herbal Penetration

Compared to oral and injected drug delivery ,transfermal drug delivery have roles on avoidling liver head leading effect bowel dedine and skin hurting,which is stable and controllable on releasing medicine velocity and blood medicine density and less side effect,and beneficial to cure over a long period of time and improving the sufferer's adaptability with transfermal drug delivery. The desiccant extracts were made by ethanol precipitation,reflux and immerse method from Chinese herbal medicine compound pre...