洋皮碳量子点:对食品接触表面的抗菌作用和生物膜控制
Ji Min Ahn1, Yeon Ho Kim1, Jong-Whan Rhim1
1Department of Food and Nutrition, College of Human Ecology, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea.
Foods (Basel, Switzerland)
|December 30, 2025
概括
由洋皮衍生的碳量子点 (CQD) 显示出强大的抗菌特性,对抗食物传播的病原体. 这些环保的CQD有效地破坏了与食品接触表面的生物膜,将废物转化为有价值的抗菌剂.
科学领域:
- 材料科学 材料科学 材料科学
- 生物技术是生物技术.
- 环境科学 环境科学
背景情况:
- 洋皮含有丰富的黄和化合物,经常被丢弃的农业副产品.
- 将废弃物价值化为功能性产品对于可持续实践至关重要.
研究的目的:
- 从洋皮中合成碳量子点 (CQD).
- 评估这些CQDs在常见的食品接触表面对食源性病原体的抗微生物和抗菌膜疗效.
主要方法:
- CQDs是由洋皮合成的.
- 描述包括FT-IR和XPS分析.
- 使用MIC,MBC和杀时测试来评估抗菌活性.
- 对塑料,不钢和表面的生物膜破坏进行了评估.
主要成果:
- CQDs表现出准球形形态 (1.7-9.0 nm) 与氧和的功能组.
- 对 *Salmonella typhimurium*, *Escherichia coli* O157:H7, *Listeria monocytogenes* 和 *Staphylococcus aureus* 进行显著的抗菌活性.
- 在所有测试表面上,CQD处理在5分钟内将生物膜减少了74%以上,在10分钟内减少了94%以上.
结论:
- 由洋皮衍生出的CQD是有效的抗微生物和抗菌膜剂.
- 这些CQD为废物利用和食品安全提供了可持续的解决方案.
- 这些发现强调了CQD作为表面消毒的环保替代品的潜力.
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