两种方法提取宁夏沙枣多糖及含量测定比较  

Comparing two Kinds of Methods for Extraction and Determination of Polysaccharide from Elaeagnus Angustifolia of Ningxia

作　　者：王凯[1] 王瑞斌[2] 

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 [2]榆林学院化学与化学工程学院,陕西榆林719000

出　　处：《榆林学院学报》2011年第2期39-41,共3页Journal of Yulin University

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：采用超声提取法和常规提取法从沙枣中提取多糖并测定其含量,并对两种方法进行比较。结果表明:超声法提取样品的平均含量为2.66%,平均回收率为99.91%,RSD=0.51%;常规法提取样品的平均含量为1.337%。超声法提取沙枣多糖含量也比常规法高。Using Ultrasonic methods and normal methods,Polysaccharide was extracted from Elaeagnus angustifolia of Ningxia,and determining its content.The results indicate ：For Ultrasonic methods,Polysaccharides in Elaeagnus angustifolia of Ningxia is 2.66%,and recovery rate is 99.91%,RSD was 0.51%.For normal methods,Polysaccharides in Elaeagnus angustifolia of Ningxia is1.337%.Ultrasonic method allows higher amount of polysaccharide than normal method.

关 键 词：宁夏沙枣 多糖 超声提取 常规提取 含量测定 

分 类 号：S665.1[农业科学—果树学]