牛奶中蛋白质测定能力验证结果与分析  

Verification and analysis of protein determination ability in milk

作　　者：叶巧燕[1] 郝欣雨 常嵘 张玉卿 迟雪露 宫慧姝 刘慧敏[1] 郑楠[1] YE Qiaoyan;HAO Xinyu;CHANG Rong;ZHANG Yuqing;CHI Xuelu;GONG Huishu;LIU Huimin;ZHENG Nan(Milk and Milk Products Inspection Center of Ministry of agriculture and Rural Affairs,Institute of Animal Sciences,Chinese Academy of Agricultural Sciences,Beijing 100193,China;Animal Health Supervision Institute,Zhangye 734000,China)

机构地区：[1]中国农业科学院北京畜牧兽医研究所、农业农村部奶产品质量安全风险评估实验室、农业农村部奶及奶制品质量监督检验测试中心动物营养学国家重点实验室,北京100193 [2]甘州区动物卫生监督所,甘肃张校734000

出　　处：《中国乳品工业》2023年第9期52-55,共4页China Dairy Industry

基　　金：中国农业科学院科技创新工程(ASTIP-IAS12);财政部和农业农村部:国家现代农业产业技术体系(CARS-36)。

摘　　要：设计并组织牛奶中蛋白质测定的能力验证项目,分析各参加实验室的检测能力验证结果。采用单因素方差分析和t检验对样品均匀性和稳定性进行分析,对70家实验室提交的检测结果进行稳健统计分析,以Z值评定各参加实验室测定结果。结果表明,样品均匀性和稳定性符合能力验证要求,蛋白质测定的满意率为90.0%。多数参加验证实验室结果为满意,表明牛奶中蛋白质检测水平总体良好,大多数实验室均能准确检测牛奶中蛋白质的含量。The proficiency testing of protein in milk was organized,to analyze the results of the participating laboratories.The data of homogeneity and stability were analyzed using one-way ANOVA and t-test.Robust statistical analysis of 70 laboratories was performed by Z-value.The results showed that the sample homogeneity and stability met the proficiency testing requirements.The satisfaction rate of protein determination was 90.0%,which indicating that most of the laboratories can detect the protein content in milk accurately.

关 键 词：牛奶 蛋白质 测定 能力验证 结果分析 

分 类 号：TS252.7[轻工技术与工程—农产品加工及贮藏工程]