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《China Pharmacy》 2007-03
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Study on Extraction Process of Total Flavonids in Nitraria tangutorun Bobr.

FAN Lianlian,LIU Jinrong,WANG Hangyu,ZHU Xiaoqing(Key Laboratory of Natural Medicine Modernization of TCM,Xinjiang Production and Construction Corps,Shihezi 832002,China)  
OBJECTIVE:To optimize the extraction process of total flavonoids in Nitraria tangutorun Bobr.METHODS:Single factor experiment was conducted to optimize the extraction process of total flavonoids in fruit of Nitraria tangutorun Bobr.The content of total flavonoids was determined by UV spectrophotometer.The influence of each factor was measured in orthogonal experiments.RESULTS:The temperature had the greatest effect on the extraction of total flavonoids.The optimum condition was as follows:75%ethanol、85℃、1∶7(W/V)and extracting 4 times (2h each time).CONCLUSION:This study provides the rationale for the industrial production.
【Fund】: 新疆生产建设兵团医药专项基金项目(NKBO3SDXYY39XY)
【CateGory Index】: TQ461
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