快速蒸发电离质谱法在食品质量安全快速检测中的应用

快速蒸发电离质谱技术(rapid evaporation ionization mass spectrometry, REIMS)是环境电离-质谱技术迅速发展的最新成果, 也是近几年质谱检测领域的热点。通过电离切割组织或其他生物样品产生的含丰富特定区域生物特征的气溶胶, 借助高分辨率质谱对其进行原位、在线、实时、快速分析。随后进行计算机数据建模与可视化, 实现目标物质的快速检测。本文综述了REIMS技术的发展概况、主要结构组成、检测原理、采用的常规数据处理方法及其在食品检测领域中的具体应用, 包括肉品掺假鉴别、风味物质检测、品种鉴别、干果真实性评估、果汁风味物质鉴别等。主要通过对当前快速蒸发电离质谱技术在不同食品检测领域的应用研究进展进行综述, 以期为食品安全快速检测等相关研究领域科研工作者提供一定的思路与参考。

Application of rapid evaporation ionization mass spectrometry in rapid detection of food quality and safety

Rapid evaporation ionization mass spectrometry (REIMS) is the latest achievement of the rapid development of environmental ionization-mass spectrometry technology. This paper reviewed the development process, main structure, data processing method and application of REIMS technology in food detection area. This technique performs in situ, online, real-time, and rapid mass spectrometry by ionizing tissue aerosols rich in region-specific biometric features. Biometric features were produced by cutting tissues and other biological samples. Then, the computer data modeling and visualization were performed to achieve the rapid detection of the target substances. This paper summarized the development REIMS, its main structure, detection principle, conventional data processing methods and their specific applications in the field of food detection, including meat adulteration identification, flavor substance detection, variety identification, dried fruit authenticity evaluation and fruit juice flavor substance identification. In this paper, the application and research progress of rapid evaporative ionization mass spectrometry in different food detection fields were reviewed, in order to provide some ideas and references for researchers in food safety rapid detection and other related research fields.