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Study on the Extracting Process of Total Flavonoids from Elaeagnus angustifolia in Ningxia

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【Author】 WANG Kai School of Chemistry and Chemical Engineering,North University for Nationalities,Yinchuan,Ningxia 750021,China

【摘要】 [Objective]To optimize the extraction process of total flavonoids from Elaeagnus angustifolia of Ningxia.[Method]Based on single factor test,effects of extraction temperature,ethanol concentration,extraction duration and solid-liquid ratio on the yield rate of total flavonoids from Elaeagnus angustifolia were investigated by orthogonal design.[Result] The optimum conditions were as follows:extraction temperature of 80 ℃,extraction duration of 1 h,60% ethanol as extractant,solid-liquid ratio of 1∶18.Under the optimal conditions,the yield rate of total flavonoids reached as high as 3.070 mg/g.[Conclusion] This study provides scientific basis for improving the medical efficacy and further development of Elaeagnus angustifolia.

【基金】 Supported by Key Laboratory Project of National Commission of Ethnic Affairs Chemical Technology(2009SY09)
  • 【分类号】S793.9
  • 【被引频次】1
  • 【下载频次】30
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