碳点的抗氧化性能和表征比较来自农业废物皮皮的碳点
Zhaoqi Pan1,2, Yiyang Zhou1,2, Binghong Ji1,2
1State Key Laboratory of Woody Oil Resources Utilization, Northeast Forestry University, Harbin 150040, China.
Foods (Basel, Switzerland)
|January 28, 2026
概括
使用微波方法将皮废弃物转化为碳点 (CD). 用铜或奇托桑进行兴奋剂增强了它们的抗氧化和抗菌特性,显示出食品应用的潜力.
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.
- 绿色化学 绿色化学
背景情况:
- 农业废物,如皮,提出了一个处理挑战.
- 碳点 (CD) 是一种新兴的纳米材料,具有多种应用.
- 将废弃材料利用成功能性纳米材料是一个活跃的研究领域.
研究的目的:
- 从皮废物中合成碳点 (CD).
- 通过对铜离子和酸盐进行皮碳点 (PP-CDs) 增强的特性.
- 评估修改后的CD的抗氧化和抗菌活性.
主要方法:
- 环境友好型的微波辅助合成来自皮的CD.
- 铜离子和基多对PP-CDs的兴奋剂.
- 使用各种技术 (形态学,光) 进行表征.
- 抗氧化剂测定 (DPPH,ABTS) 和抗菌测试 (MIC,抑制区).
主要成果:
- 合成的PP-CD表现出准球形形态和黄色光.
- 兴奋剂增强了抗氧化活性,在DPPH和ABTS测定中具有特定的IC50值.
- 用铜添加的PP-CDs (Cu-PP-CDs) 和用酸盐添加的PP-CDs (CS-PP-CDs) 显示出对大肠杆菌和金黄色杆菌具有显著的抗菌活性.
- PP-CD显示了最强的光强度.
结论:
- 皮可以有效地转化为功能性碳点.
- 兴奋剂显著改善了PP-CDs的抗氧化和抗菌性能.
- 这些多功能CD显示出食品行业应用的前景.
- 大规模生产和商业化毒理学评估仍然存在挑战.
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