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Research on Extraction of Flavone from Persimmon Leaves

Jin Wei-rong

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Abstract

Objective:To determine the optimum extraction of flavone from Persimmon leaves.Method: The effects of extraction time and frequency,solid to liquid ratio,level of alcohol on the extraction rate of flavone was investigated with Rutosids,Meletin,Hyperoside as index;the optimum extraction of flavone from Persimmon leaves was determined by orthogonal experiment.Result: The optimum flavone from Persimmon leaves were: the extraction time was 1 h,the level of alcohol was 70%,solid to liquid ratio(g·mL)was 1∶ 8,and it was extracted two times.Conclusion: The optimum extraction process is achieved,suitable for industrialization.

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What this paper is about

Objective:To determine the optimum extraction of flavone from Persimmon leaves.Method: The effects of extraction time and frequency,solid to liquid ratio,level of alcohol on the extraction rate of flavone was investigated with Rutosids,Meletin,Hyperoside as index;the optimum extraction of flavone from Persimmon leaves was determined by orthogonal experiment.Result: The optimum flavone from Persimmon leaves were: the extraction time was 1 h,the level of alcohol was 70%,solid to liquid ratio(g·mL)was 1∶ 8,and it was extracted two times.Conclusion: The optimum extraction process is achieved,suitable for industrialization.

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Available abstract

Objective:To determine the optimum extraction of flavone from Persimmon leaves.Method: The effects of extraction time and frequency,solid to liquid ratio,level of alcohol on the extraction rate of flavone was investigated with Rutosids,Meletin,Hyperoside as index;the optimum extraction of flavone from Persimmon leaves was determined by orthogonal experiment.Result: The optimum flavone from Persimmon leaves were: the extraction time was 1 h,the level of alcohol was 70%,solid to liquid ratio(g·mL)was 1∶ 8,and it was extracted two times.Conclusion: The optimum extraction process is achieved,suitable for industrialization.

Key concepts: Hyperoside, Extraction (chemistry), Chemistry, Chromatography, Flavones, Alcohol, Quercetin, Organic chemistry

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