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目的优选复方大黄烫伤喷膜的成膜工艺。方法用正交设计法,以不同体积分数的乙醇提取液、所用成膜剂PVP-k30的量、药材粉末量为考察因素,以成膜时间,成膜质量为评价指标,筛选成膜工艺。结果最适宜的成膜工艺,即60%的乙醇提取液30ml,加入3g PVP-K30,再加入0.8g的生石膏和寒水石(2∶1)混合药材细粉。结论优选的成膜工艺可用于复方大黄烫伤喷膜的制备。
Objective To optimize the compound rhubarb scalding film deposition process. Methods The orthogonal design method was used to screen the film-forming process with different volume fraction of ethanol extract, the amount of PVP-k30 film-forming agent used and the amount of medicinal powder as the investigation factors. The results of the most suitable film-forming process, namely 60% ethanol extract 30ml, adding 3g PVP-K30, and then add 0.8g gypsum and cold water stone (2: 1) mixed medicinal powder. Conclusion The preferred film-forming process can be used to prepare rhubarb scald spray film.