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Study on extraction technique of Magnolia of ficinalis in Compound Guipu Tablets

JIANG Baohong1,HUANG Yiping2,LIU Hanqing1,JU Jianming2(1.Nanjing University of Chinese Medicine,Nanjing 210046,China;2.Jiangsu Academy of Traditional Chinese Medicine,Nanjing 210028,China)  
Objective To optimize the extraction technique of Magnolia of ficinalis in Compound Guipu Tablets.Methods Orthogonal test and synthetic mark were employed,in which magnolol,honokiol and paste rates were used as evaluation maker,for investigating the influence on extracting process of Magnolia of ficinalis by different extracting factors and levels.Results The optimized extraction conditions were extraction three times by 10 times the volume fraction of 75% ethanol,with 1.5 h each time.Conclusion The optimal extraction technique is reasonable,stable and feasible.
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