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Studies on the quality and quantity analysis methods of Shexiang Bashi plaster

Luo Shuang-hui

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Abstract

Objective: To establish the quality and quantity analysis methods of Shexiang Bashi plaster.Methods:Diphenhydramine hydrochloride was identified by TLC;Camphor,menthol,methyl salicylate and thymol were identified and the content of Borneolum Syntheticum was determined by GC.Using NOKOL FUSED SILICA capillary column(30 m×0.32 mm×0.25 μm).The column temperature rose by programming.Injector temperature was set at 250 ℃ and FID detector with temperature was set at 250 ℃.Results:Diphenhydramine hydrochloride could be identified by TLC.Camphor,menthol,methyl salicylate and thymol could be identified by GC.Borneol showed a good linear relationship in the range of 0.14-11.16 μg(r=0.9999),the average recovery(n=6) was 97.8% with RSD of 1.9%.Conclusion:The results indicate that the method is simple,accurate,highly selective and reproducible,and can be used for the quality control for Shexiang Bashi plaster.

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Objective: To establish the quality and quantity analysis methods of Shexiang Bashi plaster.Methods:Diphenhydramine hydrochloride was identified by TLC;Camphor,menthol,methyl salicylate and thymol were identified and the content of Borneolum Syntheticum was determined by GC.Using NOKOL FUSED SILICA capillary column(30 m×0.32 mm×0.25 μm).The column temperature rose by programming.Injector temperature was set at 250 ℃ and FID detector with temperature was set at 250 ℃.Results:Diphenhydramine hydrochloride could be identified by TLC.Camphor,menthol,methyl salicylate and thymol could be identified by GC.Borneol showed a good linear relationship in the range of 0.14-11.16 μg(r=0.9999),the average recovery(n=6) was 97.8% with RSD of 1.9%.Conclusion:The results indicate that the method is simple,accurate,highly selective and reproducible,and can be used for the quality control for Shexiang Bashi plaster.

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Available abstract

Objective: To establish the quality and quantity analysis methods of Shexiang Bashi plaster.Methods:Diphenhydramine hydrochloride was identified by TLC;Camphor,menthol,methyl salicylate and thymol were identified and the content of Borneolum Syntheticum was determined by GC.Using NOKOL FUSED SILICA capillary column(30 m×0.32 mm×0.25 μm).The column temperature rose by programming.Injector temperature was set at 250 ℃ and FID detector with temperature was set at 250 ℃.Results:Diphenhydramine hydrochloride could be identified by TLC.Camphor,menthol,methyl salicylate and thymol could be identified by GC.Borneol showed a good linear relationship in the range of 0.14-11.16 μg(r=0.9999),the average recovery(n=6) was 97.8% with RSD of 1.9%.Conclusion:The results indicate that the method is simple,accurate,highly selective and reproducible,and can be used for the quality control for Shexiang Bashi plaster.

Key concepts: Chemistry, Camphor, Chromatography, Menthol, Methyl salicylate, Borneol, Thymol, Diphenhydramine

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