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祖国医学中,治疗烫火伤具有悠久的历史,用于烫火伤的中草药也较多,根据文献资料报导,我们选用了中药白芨、虎杖为原料制成膜剂,它具有价廉易得、方便可靠等优点。介绍如下: 一、原材料制备: 1.白芨胶的制备:取白芨粗粉加适量蒸馏水热浸(70℃左右)浸两次每次3～4小时,用双层纱布过滤或离心除去不溶物,合并滤液,加入95%乙醇使含醇量达70%左右搅匀,静置过夜,用纱布滤出沉淀,沉淀再用70%乙醇浸泡2小时,滤取沉淀于80℃干燥即得白芨胶。
In the motherland medicine, it has a long history of treating hot burn injuries. There are also many Chinese herbal medicines used for hot burn injuries. According to literature reports, we have chosen the traditional Chinese medicine peony root and polygonum cuspidatum as the raw materials to make films. It is cheap, easy to obtain, and convenient and reliable. Etc. The description is as follows: 1. Preparation of raw materials: 1. Preparation of white tannin extract: Take white buckwheat coarse powder plus appropriate amount of distilled hot dip (about 70°C) and immerse twice for 3 to 4 hours each time. Use double layer gauze to filter or centrifuge to remove insoluble matter. Combine the filtrate, add 95% ethanol to mix about 70% of the alcohol content, and let it stand overnight. Filter the precipitate with gauze. Precipitate and soak it in 70% ethanol for 2 hours. Filter the pellet to dry at 80°C.