在食品中检测propimorph的分析方法:用电分析和染色学方法进行比较分析
Raphael Dannemann-Pires1, Caio César Gonçalves Silva2, Maria Valnice Boldrin Zanoni2
1Laboratory of Electroanalytical of Foods and Environmental Contaminants (LECAA), Chemistry Institute, Uberlândia Federal University, João Naves De Ávila Street, 2121, 1D Block, Santa Mônica, Uberlândia, MG 38400-902, Brazil.
Food chemistry
|March 5, 2026
概括
这项研究引入了一种新的电分析方法,用于检测蔬菜中的杀菌剂propimorph (FPM). 使用银合金电极开发的技术提供了一种可靠的方法来量化复杂食品样本中的FPM.
科学领域:
- 分析化学 分析化学
- 电化学 电化学 电化学
- 食品安全 食品安全
背景情况:
- 在食品中检测真菌杀菌剂对于消费者安全至关重要.
- 现有的propimorph (FPM) 检测方法可能需要复杂的样本准备.
- 需要开发敏感和选择性的电分析方法.
研究的目的:
- 开发和验证一种用于检测propimorph (FPM) 的创新电分析方法.
- 优化在各种蔬菜矩阵中检测FPM的方法.
- 将新方法的性能与已知技术 (如气色谱-质谱) 进行比较.
主要方法:
- 使用正方形波电压测量 (SWV).
- 一个抛光的固体银合金电极 (p-AgSAE) 被用作工作电极.
- 包括pH和电压计设置在内的实验参数被优化为峰值定义和可重现性.
主要成果:
- 在测试的缓冲溶液中,在p-AgSAE上观察到FPM的明确的电压测量峰值.
- 优化条件产生了具有适当强度,位置和可重现性的峰值.
- 该方法证明可以应用于真实的蔬菜样本 (生菜,西红,土豆).
- 与气体染色学质谱法 (GC-MS) 相比,结果显示出很好的一致性.
结论:
- 使用p-AgSAE的拟议电分析方法在复杂的蔬菜样本中有效检测FPM.
- 该方法因其灵敏度和可重复性而适用于常规分析.
- 这种技术为监测食品中的杀菌剂残留物提供了可行的替代方案.
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