巴氏消毒牛奶与羊奶粉中主要蛋白质组成的SDS-PAGE比较  

SDS-PAGE Analysis on Protein Composition of Pasteurized Milk and Goat Milk Powder

作　　者：韩荣勋[1] 罗静波[1] 俞海东[1] 

机构地区：[1]长江大学动物科学学院,湖北荆州434025

出　　处：《长江大学学报（自然科学版）》2017年第10期61-63,共3页Journal of Yangtze University(Natural Science Edition)

基　　金：长江大学博士启动基金项目(120/801200010129)

摘　　要：采用SDS-PAGE凝胶电泳方法对相同蛋白质质量和相同样品体积的巴氏消毒牛奶和羊奶粉的蛋白质组成进行分析,分离后的凝胶经考马斯亮蓝染色得到巴氏消毒牛奶和羊奶的电泳图谱,比较了巴氏消毒牛奶和羊奶中蛋白质组成的差异。结果表明,在同等条件下,牛奶中的αs-酪蛋白和β-酪蛋白以及κ-酪蛋白含量均高于羊奶粉。Sodium dodecyl sulfate polyacrylamide gel electrophoresis(SDS-PAGE)was employed to study protein composition of pasteurised milk and goat milk powder with the same weight and the same volume respectively.After separation,the difference of protein composition between pasteurised milk and goat milk powder was compared.The results showed that the contents ofαs-casein,β-casein andκ-casein in cow milk were higher than that in goat milk powder respectively under the same conditions.

关 键 词：SDS-PAGE 巴氏消毒牛奶 羊奶粉 蛋白质 

分 类 号：TS201.21[轻工技术与工程—食品科学]