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Preparation technology and quality standards of the refined dogskin paste

Author: ZhangDan
Tutor: ZhengGuoHua
School: Hubei College of Traditional Chinese Medicine
Course: Of Pharmacy
Keywords: Camphor and methyl salicylate preparation technology quality standards @ Jingzhi goupigao
CLC: TQ461
Type: Master's thesis
Year: 2006
Downloads: 86
Quote: 1
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Abstract


Jingzhi goupigao , which is made from Radix aconiti, Radix stephaniae tetrandrae , Rhizoma kaempferiae, Folium tougu, Rhizoma corydalis, Rhizoma zingiberis, Fructus capsicum , Venenum bufonis, Camphor, Borneolum syntheticum, menthol, is an effective prescription of combination of traditional Chinese medicine , for relaxing muscles and tendons, dispel coldness, acesodyne , removing physique pain, acute contusion, strain, rheumatalgia, arthralgia, hypochondriac pain, muscles pain, as result of, the production had national criterion ,the criterion can be seen in WS3-B-1056-91,but the method of the some preparation had not been known in the old criterion ,the author has made some amelioration ,has made an experimental study on its preparation , quality standards. 1 .Study of the preparationIn the point of preparation technology , we used extracting ratio of extracting as evaluating indexes and investigated the optimum preparing time by the parallel test. The optimum extracting condition was : soaking the seven herbs with same amount of 85% ethanol for 24 hours and extracting the seven herbs with 85% ethanol for 3 times and boiling 5 hours ,the amount of ethanol used was3 times of the drug mixture respectively.Adopt the concentrated method of low temperature decompression in the inspissations of the craft of the medicine liquid. Promise the former request of standard craft,2. Study of quality standardFor controlling this prescription inside quality availably, insure a product safety, valid, stability, establish science, reasonable, viable quality standard as follows: The Radix stephaniae tetrandrae, Rhizoma corydalis, were identified by TLC. And the former request of standard craft for The Radix stephaniae tetrandrae was toluene-acetone-ethanol-ammonium hydroxide (20: 20: 3: 1) , the toxicity of eluant in was serious, so we change it to chloroform- acetone-methanol-ammonia (20:3:2:0.1). the basis of Rhizoma corydalis is tetrahydropalmatine, And the method in the former request of standard craft was easy, it was verified that , Provide to try an article color to compose to win, in checking against the position that the medicine material color table corresponds, the spot of all same color, and the feminine gender check against be corresponding position to then have no interference.For the sake of assays of Camphor and Methyl salicylate, the new GC methods were developed . The average recovery rates were 100.44%, 99.68%.while RSD were 1.18%, 1.32%. Assay methods were validated in the research of content . On the basis of the

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