Development of reference material candidates for bisphenol A analogues in infant formula milk powders
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(1.Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control and Prevention, Beijing 100013, China;2.Beijing Research Center of Preventive Medicine, Beijing 100013, China;3.School of public health, Capital Medical University, Beijing 100069, China;4.China National Center for Food Safety Risk Assessment, Beijing 100021, China)

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    Abstract:

    Objective Reference material candidates of bisphenol A, bisphenol S, bisphenol F and bisphenol AF in infant formula milk powders were prepared, in order to provide technical basis and methodology for the further formation of certified reference materials, and fill the research gap in this field. Methods The commercial infant formula milk powders were selected to prepare the reference material candidates by the processes of water dissolution, standard addition, homogenization, drying, crushing, screening and packaging. The concentrations of the target compounds were determined by isotope dilution-liquid chromatography tandem mass spectrometry. 25 bottles of samples were randomly selected for homogeneity study, and F test was used for statistical analysis. The long-term and short-term stability were studied by the quantitative analysis of samples stored at 25 ℃ for 12 months and at 60 ℃ for 7 d, respectively, and evaluated by univariate linear simulation equation. Results The homogeneity and stability result of the prepared reference material candidates were satisfactory, which met the expected requirements. Conclusion This work was expected to fill the gap in preparation of matrix reference materials for bisphenol A analogues, and provid material basis and technical support for the monitoring of bisphenol A analogues in food.

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YIN Jie, HAN Muke, ZHANG Jing, ZHAO Yunfeng, SHAO Bing. Development of reference material candidates for bisphenol A analogues in infant formula milk powders[J].中国食品卫生杂志,2021,33(6):686-691.

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History
  • Received:October 08,2021
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  • Online: January 04,2022
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