[Optimization of preparation technology of LIUWEI cataplasm, a kind of Zhuang national herbs].
2013
Objective: To optimize preparation process of liuwei cataplasm,a Zhuang folk medical herb popularly applied as a kind of rheumatism,rheumatoid drug in Guangxi Zhuang Autonomous Region. Methods: Orthogonal design test was employed to optimize matrix proportion and molding technology of liuwei cataplasma with glossiness,adhesive power,matrix residue,skin following and repeatedly exposing as indexes. Results: Optimum matrix ratio of PANA,pressure sensitive adhesive,CNC-Na,gelatin,dihydroxyaluminium aminoacetate and glycerol was 0. 5∶ 1. 0∶ 0. 4∶ 0. 1∶ 0. 3∶ 3. 0. Optimized parameters of technology were as follows: stiring speed 600 r / min,refining temperature 60 ℃ and drug loading of Liuwei extract 13. 04%. Conclusion: Optimized liuwei cataplasm has a good adhesive power,exipcients and glossiness,meanwhile drug loading is large and no skin residue. The process is simple,stable and viable.
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