集成自组装和交叉链接技术设计了光动力学抗菌膜,以有效保存易腐烂的食品
Yifan Pan1, Liang Zhang1, Bangfeng Fu1
1College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
Food chemistry
|July 25, 2024
概括
一种新型的抗菌膜将甲--铁酸盐纳米球 (CTF NPs) 纳入 κ-carrageenan (KC) 中,有效地保护水果和蔬菜. 这种食品包装材料表现出显著的抗菌活性,并延长了保质期.
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
- 纳米技术 纳米技术
背景情况:
- 微生物腐烂显著影响水果和蔬菜的保质期.
- 开发具有抗微生物特性的有效食品包装对于减少浪费至关重要.
研究的目的:
- 创建一种新的抗菌膜,以提高食品的保存效果.
- 为了研究甲--铁酸盐纳米球 (CTF NPs) 集成到 κ-carrageenan (KC) 矩阵中的有效性.
主要方法:
- 通过超声波触发的自我组装和离子交联来合成CTFNP.
- CTF NP被纳入 κ-卡拉基南矩阵中,形成 CTF-KC 薄膜.
- 评估了抗菌活性,保质期延长,材料特性和生物安全性.
主要成果:
- 在CTF0.4-KC薄膜实现了99.99%的杀菌率对大肠杆菌和黄金色杆菌.
- 这部电影将桃番茄的储存期从20天延长到32天.
- 观察到增强的屏障,热和机械性能,对透明度的影响很小. 生物安全性得到证实.
结论:
- 开发的CTF0.4-KC薄膜表现出极好的抗菌和保持新鲜的功能.
- 这种材料显示出在活性食品包装和保存中应用的巨大潜力.
- 该研究强调了纳米技术的成功整合,以提高食品安全和减少腐败.
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