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.
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)
关键词
宁夏沙枣
多糖
超声提取
常规提取
含量测定
Elaeagnus angustifolia of Ningxia
polysaccharide
ultrasonic extraction
normal extraction
determination