IC/ICP-MSによるパン中臭素酸カリウムの特異的分析法

DOI 日本農学文献記事索引 Web Site PubMed 被引用文献2件 参考文献18件

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  • Specific Determination of Bromate in Bread by Ion Chromatography with ICP-MS.

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A sensitive method for detecting bromate in bread by ion chromatography with inductively-coupled plasma mass spectrometry (IC/ICP-MS) was developed. Bromate was extracted from bread with water. The clean-up procedure included a 0.2 μm filter, a C18 cartridge for defatting, a silver cartridge to remove halogen anions, a centrifugal ultrafiltration unit to remove proteins, and a cation-exchange cartridge to remove silver ions. A 500 μL sample solution was applied to IC/ICP-MS. The detection limit and the quantitation limit of bromate in the solution were 0.3 ng/mL and 1.0 ng/mL, expressed as HBrO3, respectively, which corresponded to 2 ng/g and 5 ng/g, respectively, in bread. Recovery of bromate was about 90%, and the CV was about 2%. Based on the detection limit in solution and recovery from bread, the detection limit of bromate in bread was estimated to be 2 ng/g.

収録刊行物

  • 食品衛生学雑誌

    食品衛生学雑誌 43 (6), 348-351, 2002

    公益社団法人 日本食品衛生学会

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