沙枣中多酚类物质的提取条件研究  

Study on the Extraction Conditions of Polyphenols from Elaeagnus angustifolia L.

作　　者：查培[1] 刘红[2] 

机构地区：[1]石河子大学化学化工学院,新疆石河子832000 [2]石河子大学理学院,新疆石河子832000

出　　处：《安徽农业科学》2012年第16期8967-8968,8976,共3页Journal of Anhui Agricultural Sciences

基　　金：教育部春晖计划(Z2006-1-83003)

摘　　要：[目的]确定沙枣中多酚类物质的最佳提取工艺。[方法]利用超声提取法对沙枣中多酚类物质进行提取,通过单因素和正交试验,研究了甲醇、乙醇和丙酮3种溶剂对沙枣多酚的提取性能。[结果]丙酮对沙枣多酚具有较好的提取性能,料液比1∶12 g/ml,丙酮浓度50%,超声提取3次,每次30 min,在此条件下提取液中沙枣多酚含量为9.35%,提取率达95.70%。[结论]在最佳提取工艺条件下所提取的沙枣多酚含量最高,此最佳工艺条件正确可行。[Objective] To determine the best extraction conditions of polyphenols from E.antustifolia polyphenols.[Method] The polyphenols were extracted with ultrasonic method,and then the single factor test and orthogonal experiment were adopted to study the extraction performance of three solvents of methanol,ethanol and acetone.[Result] Acetone showed the best extraction performance,under the best conditions of solid-liquid ratio of 1∶ 12,acetone concentration of 50%,and ultrasonic extraction for three times,30 min each time,the extracting content of polyphenols was 9.35% and the extraction rate was 95.70%.[Conclusion] The content of polyphenols was the highest under the best extraction conditions,thus the extraction conditions were practical.

关 键 词：沙枣多酚 丙酮 超声提取 

分 类 号：S665.1[农业科学—果树学]