宁夏沙枣中总黄酮的提取工艺研究  

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

作　　者：王凯[1] 

机构地区：[1]北方民族大学化学与化学工程学院,宁夏银川750021

出　　处：《安徽农业科学》2011年第14期8343-8344,8347,共3页Journal of Anhui Agricultural Sciences

基　　金：北方民族大学国家民委化工技术重点开放实验室项目(2009SY09)

摘　　要：[目的]优化宁夏沙枣中总黄酮的提取工艺。[方法]采用乙醇回流法对沙枣中的总黄酮进行提取。在单因素试验的基础上,采用正交设计考察提取温度、乙醇浓度、提取时间和料液比对黄酮提取率的影响。[结果]最佳工艺条件如下:提取温度80℃,提取时间1h,提取剂为体积分数0.60的乙醇,料液比1∶18。在此条件下,宁夏沙枣中总黄酮的提取率可达3.070 mg/g。[结论]该研究为提高宁夏沙枣的药用功效和进一步开发利用提供了试验依据。[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.

关 键 词：宁夏沙枣 总黄酮 提取工艺 正交试验 

分 类 号：S567[农业科学—中草药栽培]