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Study on Different Extraction Processes of Chlorogenic Acid in Flos Lonicerare and Optimum

LI Huai-bin

Abstract

We summed up the common methods of the extraction process of chlorogenic acid in Flos Lonicerare to determine the optimal method of extracting chlorogenic acid with the results:The extraction process of acid ethanol is optimum.The optimum extraction conditions are 80% ethanol,pH=5,refluxing 0.5h.The content of chlorogenic acid is fairly high.It is close to the optimum extraction condition,that are 75% ethanol,pH=4,refluxing 2.0h,and it adapt to industry production.

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Key concepts: Flos, Chlorogenic acid, Extraction (chemistry), Ethanol, Chromatography, Medicine, Traditional medicine, Biochemistry