红胡废物衍生碳点纳入酸/凝复合膜,用于生物活性果物防腐
Zohreh Riahi1, Ajahar Khan1, Jong-Whan Rhim1
1Department of Food and Nutrition, Kyung Hee University, Seoul 02447, Republic of Korea; BioNanocomposite Research Center, Kyung Hee University, Seoul 02447, Republic of Korea.
International journal of biological macromolecules
|March 30, 2025
概括
红胡废物衍生的碳点增强了环保包装膜. 这些活性包装材料提供抗微生物,抗氧化剂和紫外线保护,延长水果的保质期并管理生物废物.
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
- 生物技术是生物技术.
背景情况:
- 开发具有抗微生物,抗氧化剂和紫外线保护的经济高效,环保食品包装至关重要.
- 红胡废料可以重新利用为功能性材料,用于先进的包装.
研究的目的:
- 使用红胡废料衍生的碳点 (RP-CDs) 嵌入藻酸盐/凝 (SA/Gel) 矩阵制造多功能活性包装膜.
- 评估RP-CD对复合膜的结构,机械,屏障和活性性能的影响.
主要方法:
- 红胡废料被加工成碳点 (RP-CDs),平均直径为2.5纳米.
- 使用造方法将RP-CD纳入1,2,3重%的SA/Gel聚合物矩阵中.
- 描述涉及SEM,FT-IR和XPS;功能性质通过UV-A屏障,ABTS激素清除和L. monocytogenes抑制测试来评估.
主要成果:
- 由于结合,RP-CD与SA/Gel矩阵具有很强的兼容性,提高了机械强度和防潮性能.
- 含有3%重量的RP-CD的SA/Gel/RP-CD复合膜显示出显著的改善:92.5%的UV-A屏障,100%的抗氧化活性和99.9%的抗菌有效性.
- 复合膜将葡萄的储存寿命延长到24天,保持新鲜度.
结论:
- 生物废物衍生的碳点是活性食品包装的有效功能填充剂.
- 这种方法提供了一种可持续的解决方案,可以延长食品的保质期和管理农业废物.
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