乳业科学与技术2025，Vol.48Issue(3)：49-54,6.DOI:10.7506/rykxyjs1671-5187-20250223-012
含乳特殊医学用途婴儿配方食品中碘成分分析标准物质的研制与评估
Development and Evaluation of Standard Reference Material for Iodine Analysis in Milk-Based Infant Formula Food for Special Medical Purposes
摘要
Abstract
To address the need for iodine quantification in infant formula food for special medical purposes,a reference material for iodine analysis was developed.Powered infant formula milk for special medical purposes(containing partially hydrolyzed milk protein)was used as the matrix and added with dietary supplement of potassium iodide initially diluted with whey protein powder to establish a stable preparation system using stepwise dry dilution.The homogeneity and stability of the prepared reference material were verified using alkaline extraction combined with inductively coupled plasma mass spectrometry,and characteristic value assignment was conducted through a multi-laboratory collaborative approach.Results demonstrated excellent homogeneity and stability of the material,showing a characteristic value for iodine of(67.8±4.6)μg/100 g(k=2).This reference material could be useful for method validation,laboratory quality control,and instrument calibration for iodine determination in infant formula food for special medical purposes,providing technical support for ensuring accurate measurement of iodine content in this specialized food product.关键词
标准物质/碘/特殊医学用途婴儿配方食品/均匀性/稳定性Key words
standard reference material/iodine/infant formula food for special medical purposes/homogeneity/stability分类
轻工纺织引用本文复制引用
李清清,刘珺瑶,严静..含乳特殊医学用途婴儿配方食品中碘成分分析标准物质的研制与评估[J].乳业科学与技术,2025,48(3):49-54,6.基金项目
上海市市场监督管理局科技项目(2023-37) （2023-37）
