Cinnamaldehyde enhanced starch/chitosan composite films: A one-pot engineered solution for extended fruit shelf life

IF 10.7 1区 化学 Q1 CHEMISTRY, APPLIED
Qingbo Yao , Yan Chen , Zhizhi Zhang , Weijian Chen , Rui Wang , Langhong Wang , Yanyan Huang , Fengsong Liu , Xin-An Zeng
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引用次数: 0

Abstract

Bio-based materials are emerging as promising sustainable alternatives to conventional plastics; however, their application is frequently constrained by inadequate mechanical strength, hydrophobicity, and antimicrobial efficacy. In this study, a multifunctional packaging film was successfully developed by integrating N-isopropylacrylamide (NIPA), alkyl ketene dimer (AKD), and cinnamaldehyde (CIN) into starch (ST)/chitosan (CS) composites through a one-pot synthesis approach. The incorporation of these additives, particularly the synergistic interaction of CIN and the polysaccharide matrix, significantly enhanced the mechanical strength, UV–visible light resistance, and barrier properties of the film. These improvements also contributed to increased antioxidant activity and intrinsic self-reinforcement, thereby improving the film's antimicrobial functionality. Furthermore, the composite film demonstrated excellent biosafety and biodegradability. In practical food preservation tests, bananas wrapped in ST-CIN/NIPA/AKD/CS films demonstrated an extended shelf life of up to 10 days while maintaining quality indicators such as flesh firmness, pH levels, weight loss, and total soluble solids. This work not only presents a novel strategy for improving the performance of biopolymer-based films but also expands the potential applications of polysaccharide-derived natural compounds in sustainable food packaging systems.

Abstract Image

肉桂醛增强淀粉/壳聚糖复合薄膜:一种延长水果保质期的一锅工程解决方案
生物基材料正在成为传统塑料的有前途的可持续替代品;然而,它们的应用经常受到机械强度、疏水性和抗菌功效不足的限制。本研究以n -异丙基丙烯酰胺(NIPA)、烷基烯二聚体(AKD)和肉桂醛(CIN)为原料,通过一锅法合成淀粉(ST)/壳聚糖(CS)复合材料,制备了多功能包装薄膜。这些添加剂的掺入,特别是CIN与多糖基质的协同作用,显著提高了膜的机械强度、抗紫外-可见光和阻隔性能。这些改进也有助于增加抗氧化活性和内在的自我强化,从而提高膜的抗菌功能。此外,复合膜具有良好的生物安全性和生物降解性。在实际的食品保存测试中,用ST-CIN/NIPA/AKD/CS薄膜包裹的香蕉在保持果肉紧实度、pH值、重量减轻和总可溶性固体等质量指标的同时,保质期延长了10天。这项工作不仅提出了提高生物聚合物基薄膜性能的新策略,而且扩大了多糖衍生的天然化合物在可持续食品包装系统中的潜在应用。
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来源期刊
Carbohydrate Polymers
Carbohydrate Polymers 化学-高分子科学
CiteScore
22.40
自引率
8.00%
发文量
1286
审稿时长
47 days
期刊介绍: Carbohydrate Polymers stands as a prominent journal in the glycoscience field, dedicated to exploring and harnessing the potential of polysaccharides with applications spanning bioenergy, bioplastics, biomaterials, biorefining, chemistry, drug delivery, food, health, nanotechnology, packaging, paper, pharmaceuticals, medicine, oil recovery, textiles, tissue engineering, wood, and various aspects of glycoscience. The journal emphasizes the central role of well-characterized carbohydrate polymers, highlighting their significance as the primary focus rather than a peripheral topic. Each paper must prominently feature at least one named carbohydrate polymer, evident in both citation and title, with a commitment to innovative research that advances scientific knowledge.
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