Biodegradable Active Packaging With Improved Functionality Through PVA, Itaconic Acid, Chitosan, Nanoparticles, and Lemon Peel for Sustainable Solutions

IF 3.8 2区农林科学 Q2 FOOD SCIENCE & TECHNOLOGY

Food Science & Nutrition Pub Date : 2025-09-26 DOI:10.1002/fsn3.70911

Bernadette-Emőke Teleky, Silvia Amalia Nemes, Diana Plamada, Laura Mitrea, Calina Ciont, Mădălina Medeleanu, Mădălina-P. Plosca, Bianca Obreja, Răzvan Odocheanu, Loredana Leopold, Lucian Barbu-Tudoran, Floricuța Ranga, Dan C. Vodnar

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Abstract

The growing demand for sustainable and eco-friendly packaging has driven research into developing biodegradable materials with enhanced functionality. This study develops and evaluates biodegradable polyvinyl alcohol (PVA)-based films incorporating itaconic acid (IA), chitosan (Ch), lemon peel extract (Lp), and silver nanoparticles (Np's) for active food packaging applications. In a controlled 11-day storage study at 4°C, when used to coat blueberries, these bioactive films showed reduced weight loss by up to 13.3%, maintained visual quality, and exhibited significantly lower microbial loads (***p < 0.001) compared to uncoated controls. The films exhibited pH-responsive swelling, peaking at pH 9 (92.95% for PVA + Ch) and reduced water vapor permeability (1.6% ± 1.2% for PVA + IA + Np + Lp). Biodegradability tests revealed up to 61.8% degradation in 8 weeks, confirming their environmental benefits. Adding IA and Ch enhanced mechanical strength and moisture resistance, while Lp and Np's provided antioxidant properties, making these films promising alternatives to conventional plastic packaging. This study presents a scalable approach to developing multifunctional, biodegradable films with potential for real-world adoption in sustainable food packaging systems.

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可生物降解的活性包装与改进的功能，通过聚乙烯醇，衣康酸，壳聚糖，纳米粒子和柠檬皮的可持续解决方案

对可持续和环保包装日益增长的需求推动了开发具有增强功能的可生物降解材料的研究。本研究开发并评估了生物可降解的聚乙烯醇（PVA）基薄膜，其中含有衣康酸（IA）、壳聚糖（Ch）、柠檬皮提取物（Lp）和纳米银（Np），用于活性食品包装。在4°C下11天的对照储存研究中，当用于蓝莓涂层时，这些生物活性膜与未涂层的对照相比，减少了高达13.3%的重量减轻，保持了视觉质量，并显示出显著降低的微生物负荷（***p < 0.001）。膜表现出pH响应性膨胀，在pH 9时达到峰值（PVA + Ch为92.95%），水蒸气渗透率降低（PVA + IA + Np + Lp为1.6%±1.2%）。生物降解性测试显示，8周内降解率高达61.8%，证实了它们的环境效益。添加IA和Ch增强了机械强度和防潮性，而Lp和Np提供了抗氧化性能，使这些薄膜成为传统塑料包装的有希望的替代品。本研究提出了一种可扩展的方法来开发多功能，可生物降解的薄膜，在可持续食品包装系统中具有现实世界采用的潜力。

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来源期刊

Food Science & Nutrition Agricultural and Biological Sciences-Food Science

CiteScore

7.40

自引率

5.10%

发文量

434

审稿时长

24 weeks

期刊介绍： Food Science & Nutrition is the peer-reviewed journal for rapid dissemination of research in all areas of food science and nutrition. The Journal will consider submissions of quality papers describing the results of fundamental and applied research related to all aspects of human food and nutrition, as well as interdisciplinary research that spans these two fields.