Quantifying potassium bromate in flour using a phase-transfer headspace strategy

IF 3.5 2区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY Journal of the Science of Food and Agriculture Pub Date : 2025-02-26 DOI:10.1002/jsfa.14097

Yi-Xian Gong, Wei-Qi Xie

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Abstract

BACKGROUND

This study introduces a phase-transfer headspace strategy to establish an efficient and innovative method for quantifying potassium bromate in flour. The method involves detecting carbon dioxide produced from the gas-producing reaction of potassium bromate in flour with oxalate. The carbon dioxide produced is quantitatively analyzed using gas chromatography (GC) in a sealed vial.

RESULTS

The study showed that the new technique was very precise (relative standard deviation ≤3.18%) and accurate (relative differences ≤5.37%) for potassium bromate quantification, with low detection limits (limit of detection = 1.83 mg kg⁻¹) and good recovery rates (98.07% to 102.37%).

CONCLUSION

The proposed phase-transfer headspace strategy offers a fast and simple method for the regular estimation of potassium bromate in flour, providing a valuable tool to ensure the safety and effectiveness of flour-related products. It can be implemented in a wide variety of contexts from manufacturing to quality control. © 2025 Society of Chemical Industry.

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用相转移顶空法定量测定面粉中的溴酸钾。

背景：本研究引入相转移顶空策略，建立一种高效、创新的面粉中溴酸钾定量方法。该方法包括检测面粉中溴酸钾与草酸盐的产气反应产生的二氧化碳。产生的二氧化碳在密封的小瓶中使用气相色谱（GC）进行定量分析。结果：新方法定量溴酸钾精密度高（相对标准偏差≤3.18%），准确度高（相对差值≤5.37%），检出限低（检出限= 1.83 mg kg-1），回收率高（98.07% ~ 102.37%）。结论：所建立的相转移顶空法为面粉中溴酸钾的常规测定提供了一种快速、简便的方法，为确保面粉相关产品的安全性和有效性提供了有价值的工具。它可以在从制造到质量控制的各种环境中实现。©2025化学工业协会。

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来源期刊

Journal of the Science of Food and Agriculture 工程技术-农业综合

CiteScore

8.10

自引率

4.90%

发文量

634

审稿时长

3.1 months

期刊介绍： The Journal of the Science of Food and Agriculture publishes peer-reviewed original research, reviews, mini-reviews, perspectives and spotlights in these areas, with particular emphasis on interdisciplinary studies at the agriculture/ food interface. Published for SCI by John Wiley & Sons Ltd. SCI (Society of Chemical Industry) is a unique international forum where science meets business on independent, impartial ground. Anyone can join and current Members include consumers, business people, environmentalists, industrialists, farmers, and researchers. The Society offers a chance to share information between sectors as diverse as food and agriculture, pharmaceuticals, biotechnology, materials, chemicals, environmental science and safety. As well as organising educational events, SCI awards a number of prestigious honours and scholarships each year, publishes peer-reviewed journals, and provides Members with news from their sectors in the respected magazine, Chemistry & Industry . Originally established in London in 1881 and in New York in 1894, SCI is a registered charity with Members in over 70 countries.