基于用生物活性纳米颗粒功能化的奇托-凝纳米复合物的活性食品包装:制造,性能和在海鲜保存中的应用
Hui Sun1, Meihui Zhao1, Liming Zhang1
1Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Key Laboratory of Seafood Processing of Haikou, School of Food Science and Technology, Hainan University, Hainan 570228, China.
Food research international (Ottawa, Ont.)
|February 7, 2026
概括
新的活性薄膜由奇托,凝和功能性纳米粒子 (zein,库尔库,二甲,口香糖阿拉伯语) 制成,可对抗食物浪费和塑料污染. 这些环保食品包装材料通过抑制细菌生长和氧化,显著延长海鲜的保质期.
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
- 生物技术是生物技术.
背景情况:
- 易腐烂的食品废弃物和塑料包装污染是全球环境和经济面临的重大挑战.
- 开发可持续和活跃的食品包装对于延长保质期和减少浪费至关重要.
研究的目的:
- 使用嵌入功能纳米粒子 (ZCDG NPs) 的奇托-凝矩阵创建环保活性膜.
- 评估开发的纳米复合材料薄膜的结构,机械,屏障和功能性质.
- 评估活性薄膜在延长海鲜产品的保质期方面的有效性.
主要方法:
- 合成ZCDGNP来自Zeen,黄素,二甲和牙阿拉伯语.
- 制造含有ZCDGNP的奇托-凝 (CS/Gel) 纳米复合膜.
- 使用SEM,AFM和FTIR进行表征.
- 评估机械性质 (拉力强度),屏障性质 (透性) 和光学性质 (UV-Vis透射率).
- 对抗菌和抗氧化作用的评估.
- 在冷藏下对金色庞巴诺和Penaeus vannamei的保质期研究.
主要成果:
- 这些CS/Gel-ZCDG-NPs膜呈现出光滑,密集和生物相容的微观结构.
- 拉伸强度 (+92.8%) 和屏障性能 (水蒸气透率 -80.72%,氧气透率 -33.05%) 得到显著改善.
- 片显示出强大的抗菌功效 (>90%的抑制) 和高抗氧化能力 (88.6%的DPPH,81.4%的ABTS清理).
- 金色庞巴诺和Penaeus vannamei的冷藏保质期延长了多达6天,TVB-N和TBARS值下降.
结论:
- 开发的CS/Gel-ZCDG-NPs薄膜是一个有前途的活跃,潜在的生物降解食品包装材料.
- ZCDG NPs的协同集成增强了复合膜的功能特性.
- 这种创新材料提供了一种可持续的解决方案,以减少食物浪费和塑料污染.
相关概念视频
00:58DNA Packaging
112.8K
Overview
112.8K
01:29Properties of Continuous Functions
188
Continuous functions exhibit smooth, uninterrupted behavior, and combining them through standard operations retains this continuity. If f and g are continuous at a point a, then the functions f+g, f-g, cf (where c is a constant), fg, and fg (provided g(a)a) are also continuous at a. This allows the construction of complex functions from simpler continuous parts without losing smoothness.Polynomials, which are expressions formed by sums of powers of x with constant coefficients, are continuous...
188
02:21Chromatin Packaging
22.2K
Each human somatic cell contains 6 billion base-pairs of DNA. Each base-pair is 0.34 nm long, which means that each diploid cell contains a staggering 2 meters of DNA. How is such a long DNA strand packed inside a nucleus measuring only 10 - 20 microns in diameter?
The chromatin
In combination with specialized DNA binding protein called Histones, the DNA double helix forms a compact DNA: protein complex called chromatin. The chromatin itself is further compacted into higher-order...
The chromatin
In combination with specialized DNA binding protein called Histones, the DNA double helix forms a compact DNA: protein complex called chromatin. The chromatin itself is further compacted into higher-order...
22.2K
01:32Chromatin Packaging
19.3K
Each human somatic cell contains 6 billion base pairs of DNA. Each base pair is 0.34 nm long, meaning each diploid cell contains a staggering 2 meters of DNA. This long DNA strand is packed inside a nucleus measuring only 10-20 microns in diameter with the help of specialized DNA-binding proteins called histones. Together they form a compact DNA-protein complex called chromatin. The chromatin is further compacted into higher-order structures. The highest level of compaction is achieved during...
19.3K
02:21Chromatin Packaging
9.8K
9.8K
02:24Properties of Enantiomers and Optical Activity
21.8K
It is essential to understand the difference between chiral and achiral interactions and the implications thereof in optical activity and their applications. Just as our feet, which are chiral, interact uniquely with chiral objects, such as a pair of shoes, but identically with achiral socks, enantiomers of a molecule exhibit different properties only when they interact with other chiral media. An example of a significant implication from this facet is the phenomenon known as optical activity,...
21.8K