智能共价有机框架:整合固态色化以进行视觉监测和多模式抗菌作用以保存食品
Jiayi Wang1, Yanfei Liu1, Nurimangul Muntiza1
1Tianjin Key Laboratory of Multiplexed Identification for Port Hazardous Chemicals, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.
Food chemistry
|March 11, 2026
概括
一种新的共价有机框架 (COF) 作为智能食品包装材料. 这种先进的材料提供时间温度指示,并将食品的保质期延长四倍.
科学领域:
- 材料科学 材料科学 材料科学
- 食品科学 食品科学 食品科学
- 化学 化学 化学
背景情况:
- 智能包装系统通常具有有限的功能,专注于单一指示或保存.
- 目前的系统缺乏实时监控和主动保存的综合功能.
研究的目的:
- 为先进的食品包装开发一个多功能共价有机框架 (COF).
- 将时间温度指示和活性抗菌性质整合到一个材料中.
主要方法:
- 合成了一种具有不可逆转固体颜色,抗菌,光热和光动力学性能的COF.
- 评估了COF的光吸收,光热转换和反应性氧物种生成.
- 将COF纳入抗菌膜,用于食品保存测试.
主要成果:
- COF 显示了增强的光吸收 (79.58%) 和高效的光热转换 (37.75%).
- 通过反应性氧物种生成 (99.5%) 实现了广泛的抗菌性能 (100%在5分钟内).
- 与商业电影相比,将牛肉和熊猫的保质期延长了四倍.
结论:
- 开发的COF提供了一种新的策略,可以同时显示时间和温度,并主动保存食品.
- 该材料具有良好的生物相容性和创新的食品安全解决方案的商业潜力.
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