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《Journal of Guangxi Normal University(Natural Science Edition)》 2012-02
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Extraction of Total Triterpenoids from Ilex pubescens Hook leaves

YIN Wen-qing,FENG Hua-fen,DUAN Shao-qing,TAN Qiang,CEN Ning-cai(State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources,College of Chemistry and Chemical Engineering,Guangxi Normal University,Guilin Guangxi 541004,China)  
The extraction process of triterpenoids from Ilex pubescens Hook leaves was investigated.The triterpenoids composition was determined by spectrumetric method with oleanolic acid as a reference.The influence of extracting times,radio of liquid to material,extracting time and concentration of ethanol on the triterpenoids of yield were evaluated by single factor experiments and orthogonal experiments.The results showed that the optimum conditions were 1∶16 in radio of liquid to material,concentration of ethanol 70%,extraction time 90 min and extracting two times.The content of triterpenoids was 6.18% in extract.
【Fund】: 广西自然科学基金创新团队项目(2010GXNSFF013001);; 药用资源化学与药物分子工程教育部重点实验室科研项目(07109001-03)
【CateGory Index】: TQ461
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