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防风具有散风解表,胜湿止痛,祛风止痉之功。为外感表证,头痛身痛,风寒湿痹,肢节疼痛与外风引起的痉挛抽搐之常用中药(《实用中药学》,周凤梧主编)。含防风的中成药很多,但关于防风的可靠鉴别方法未见报道,为了鉴别其药材及提高中成药质量,作者对其进行了薄层研究。一、实验材料三用紫外分析仪上海顾村电光仪器厂生产防风经鉴定为伞形科植物防风Saposhnikovia divaricata(Turcz.)Schischk.的根和川防风Ligustium brachylobum Franch.的根。二、方法与结果 1.样品液的制备取两种防风粗粉各1克,各加95％乙醇20ml浸渍3小时,不断振
Wind protection has a wind and wind solution, wins moisture and relieves pain, and hurricane only works. It is a commonly used traditional Chinese medicine for exogenous manifestations, headache, body ache, cold and dampness, limb pain, and external wind-induced convulsions (“Practical Chinese Medicine”, edited by Zhou Fenglu). There are many Chinese patent medicines containing windbreaks, but there is no report on the reliable identification methods for windbreaks. In order to identify its medicinal materials and improve the quality of proprietary Chinese medicines, the author conducted a thin layer study. First, the experimental material three with the UV analyzer Shanghai Gucun electro-optical instrument factory wind production identified by the umbrella plant wind Saposhnikovia divaricata (Turcz.) Schischk. Root and Sichuan wind Ligustium brachylobum Franch. 2. Methods and Results 1. Preparation of sample solution Take 1 gram of each of the two windproof coarse powders, add 20ml of 95% ethanol and soak for 3 hours.