使用现场便携式光谱仪器 (FT-IR和Raman) 进行非破坏性和快速查,对被亚拉托克辛污染的单个花生进行查
Siyu Yao1, Gonzalo Miyagusuku-Cruzado2, Megan West3
1Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China.
Foods (Basel, Switzerland)
|January 11, 2024
概括
便携式振动光谱仪可以快速识别受毒素污染的花生而不会被破坏. 福利埃变换红外光谱 (FT-IR) 在检测亚毒素方面取得了100%的准确性,确保了食品安全并降低了成本.
科学领域:
- 食品科学 食品科学 食品科学
- 分析化学 分析化学
- 频谱学是一种光谱学.
背景情况:
- 亚毒素是Aspergillus*真菌产生的有毒的二次代谢物,对食品安全和人类健康构成重大威胁.
- 污染的花生是非洲毒素暴露的主要途径,需要快速可靠的检测方法.
- 目前的检测方法往往具有破坏性,耗时,或需要专门的实验室设备.
研究的目的:
- 开发和验证一种非破坏性,快速分类方法,用于识别被亚毒素污染的花生.
- 为了比较随身携带的福里埃变换红外 (FT-IR) 和拉曼光谱检测青毒素的功效.
- 评估振动光谱技术在花生中*in situ* aflatoxin监测方面的潜力.
主要方法:
- 花生被人工污染了阿弗拉托克辛 (30400ppb) 或黑色素 (控制).
- 使用便携式FT-IR和拉曼光谱仪器获得了Spectra.
- 在监督分类中使用了类类类比的软独立建模 (SIMCA).
- 超高性能液态染色学-并联质谱学 (uHPLC-MS/MS) 用于验证青素升水平.
主要成果:
- 结合SIMCA的FT-IR光谱学,在分类受亚毒素污染和控制花生中实现了100%的准确性.
- 与拉曼光谱法相比,FT-IR方法显示出更高的歧视性.
- 关键的光谱特征与阿弗拉托辛C=C环结构相关,被确定为显著的歧视因素.
- 开发的便携式FT-IR方法的性能优于现有的破坏性振动光谱技术.
结论:
- 现场便携式FT-IR光谱学提供了一种高度准确,快速和非破坏性的方法,用于检测单个花生核中的亚拉托克辛.
- 这项技术可以在现场进行识别,支持监管合规和节省花生生产成本.
- 振动光谱为实时监测食品安全提供了一个有前途的工具.
关键词:
在FT-IR中,使用的是FT-IR.拉曼·拉曼,拉曼·拉曼,拉曼·拉曼.非洲毒素 (aflatoxin) 是一种毒素.化学测量方法 化学测量方法 化学测量方法现场便携式仪器 现场便携式仪器食品安全检查 食品安全控制更多相关视频
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