自给自足的亚毒素消毒系统:以MOF为基础的复合膜,具有过氧化酶模仿和受控的H2O2生成
Xiaofei Cheng1,2, Wenzhong Zhu1, Xueting Zhu1
1School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, China.
Toxins
|October 28, 2025
概括
这项研究引入了一种新型的PVDF复合膜,其中含有Fe/Co-MOF和CaO2,以有效地从牛奶中去除 aflatoxin. 该技术实现了AFB1和AFM1的95%以上降解,为食品安全提供了可重复使用和稳定的解决方案.
科学领域:
- 食品科学与技术 食品科学与技术
- 材料科学 材料科学 材料科学
- 环境化学环境化学
背景情况:
- 非洲毒素B1 (AFB1) 和M1 (AFM1) 是乳制品中的致癌性菌毒素,对食品安全构成重大风险.
- 传统的真菌毒素降解方法效率低,能源需求高.
研究的目的:
- 开发一种创新的复合膜,以有效和安全地从牛奶中去除青毒素.
- 整合吸附和催化降解机制,以提高真菌毒素排毒.
主要方法:
- 聚乙烯化物 (PVDF) 复合膜的制造,其中包含基于Fe/Co的金属有机框架 (Fe/Co-MIL-88B(NH2) 和过氧化 (CaO2).
- 利用MOF的层次性多孔结构进行吸附和类似过氧化酶的催化.
- 采用CaO2作为受控的过氧化捐赠剂,用于产生活性氧物种.
主要成果:
- 复合膜在60分钟内为AFB1和AFM1实现了超过95%的降解效率.
- 该系统在10个周期内表现出高的运行稳定性,对牛奶的营养损害最小.
- 膜有效地防止了纳米酶聚合,并确保了活性成分的均分布.
结论:
- 开发的PVDF/Fe/Co-MOF/CaO2膜为乳制品中的真菌毒素提供了一种高效,可重复使用和稳定的排毒方法.
- 这项技术通过控制反应性氧气物种的产生,为减轻阿弗拉托克素提供了一个有前途的方法.
- 该研究强调了先进材料在确保食品安全和保持牛奶质量的潜力.
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