香蕉汁中苯甲酸、柠檬黄和日落黄标准物质的研制  

Preparation of reference materials of benzoic acid, lemon yellow and sunset yellow in banana juice

作　　者：郎爽[1] 王颖[1] 陈冬梅 冯海静[1] 周阳 高丽娟[1] 贾丽[1] LANG Shuang;WANG Ying;CHEN Dong-Mei;FENG Hai-Jing;ZHOU Yang;GAO Li-Juan;JIA Li(Beijing Engineering Research Center of Food Safety Analysis,Beijing Center for Physical and Chemical Analysis,Beijing 100089,China)

机构地区：[1]北京市理化分析测试中心,北京市食品安全分析测试工程技术研究中心,北京100089

出　　处：《食品安全质量检测学报》2020年第18期6417-6423,共7页Journal of Food Safety and Quality

基　　金：北京市科学技术研究院改革发展培训项目(PY2020JK44)。

摘　　要：目的建立香蕉汁中苯甲酸、柠檬黄和日落黄标准物质的研制与定制方法。方法采用单因素方差分析均匀性,线性回归趋势分析稳定性,多家实验室合作定制,并计算其不确定度。结果标准值及扩展不确定度(k=2):苯甲酸(209.96±7.52) mg/kg;柠檬黄(302.18±4.98) mg/kg;日落黄(41.52±0.66) mg/kg。结论研制的标准物质均匀性和稳定性较好,可用于食品安全监测及相关饮料的质量控制。Objective To establish a method for the preparation and customization of benzoic acid,lemon yellow and sunset yellow in banana juice.Methods One-way ANOVA was used to analyze the homogeneity,linear regression trend was used to analysis stability,multiple laboratories cooperated to customize and calculate the uncertainty.Results The standard value and the expanded uncertainty(k=2)were as follows:benzoic acid(209.96±7.52)mg/kg;lemon yellow(302.18±4.98)mg/kg;sunset yellow(41.52±0.66)mg/kg.Conclusion The homogeneity and stability of the certified reference material are good,it can be used for food safety monitoring and quality control of related beverages.

关 键 词：标准物质 香蕉汁 苯甲酸 柠檬黄 日落黄 

分 类 号：TS255.44[轻工技术与工程—农产品加工及贮藏工程]