在花生中,新型的共价有机框架通过多重相互作用高效地吸附着亚毒素
Jiaying Fang1, Dantong Li1, Jie Li2
1School of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China.
Food chemistry
|March 28, 2025
概括
开发了新的共价有机框架 (COFs) 用于在花生中检测青毒素. TF-COF表现出优异的吸附性,并使敏感检测成为可能,为食品安全分析提供了一种新方法.
科学领域:
- 材料科学 材料科学 材料科学
- 分析化学 分析化学
- 食品安全 食品安全
背景情况:
- 非洲毒素是高度有毒的真菌毒素,经常在谷物和坚果中发现.
- 吸附和检测亚毒素的有效方法对于食品安全至关重要.
研究的目的:
- 制造新的共价有机框架 (COFs) 用于亚拉托克辛吸附和检测.
- 开发一种敏感的分析方法,用于在花生中测定黄毒素.
主要方法:
- 通过希夫基反应合成两个新的COF,TF-COF和TH-COF.
- 评估TF-COF和TH-COF的亚弗拉托克辛吸附能力.
- 开发一种分析方法,将TF-COF提取与HPLC-FLD结合起来,用于确定青素.
主要成果:
- 与TH-COF (26-37 mg g-1) 相比,TF-COF表现出更高的阿弗拉托克辛吸附能力 (35-44 mg g-1).
- 开发的方法显示出极好的线性 (0.025-20.0 ng g-1),低检测极限 (0.008-0.15 ng g-1),以及高回收率 (86.3%-116%).
- 相对标准偏差始终低于7.8%.
结论:
- 功能化COFs,特别是TF-COF,显示出大量的潜在的阿弗拉托克辛吸附.
- 开发的基于TF-COF的提取方法和HPLC-FLD方法为花生中亚毒素分析提供了一种敏感而实用的方法.
- 这项研究为利用COF来检测食品和环境污染物开辟了新的途径.
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