Enhancing water resistance and mechanical properties of starch‐based edible biofilms through chitosan, seaweed, and sodium tripolyphosphate modifications

IF 3.2 4区工程技术 Q2 ENGINEERING, CHEMICAL

Polymer Engineering and Science Pub Date : 2024-08-08 DOI:10.1002/pen.26911

Thu Ha Le, Duc Anh Dinh, My Tra Le, Thang Van Le, Van‐Tien Bui

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引用次数: 0

Abstract

The widespread use of single‐use plastic food wrapping and drinking straws has led to significant plastic and microplastic pollution, threatening environmental sustainability and human health. This study aims to provide sustainable alternatives by improving starch‐based biofilms' mechanical properties and water resistance for food wrapping and edible drinking straws. We modified starch with chitosan, raw seaweed, and sodium tripolyphosphate (STPP) to enhance these biofilms. Our results show that the optimal proportion of chitosan, combined with varying seaweed and STPP content, significantly improves the biofilms' properties. The developed starch‐based biofilms offer an eco‐friendly and sustainable alternative to single‐use plastic, with the potential for large‐scale, cost‐effective production.Highlights

Novel edible starch‐based biofilms were successfully prepared.

The biofilms made from renewable FDA‐approved edible materials.

Biofilms showed improved mechanical properties and water resistance.

The biofilms exhibited non‐toxic and antimicrobial properties.

Biofilms offer alternatives to single‐use plastic for food wrapping.

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通过甲壳素、海藻和三聚磷酸钠改性增强基于淀粉的可食用生物膜的耐水性和机械性能

一次性塑料食品包装和吸管的广泛使用导致了严重的塑料和微塑料污染，威胁着环境的可持续发展和人类健康。本研究旨在通过改善淀粉基生物膜的机械性能和耐水性，为食品包装和可食用吸管提供可持续的替代品。我们用壳聚糖、生海藻和三聚磷酸钠（STPP）对淀粉进行改性，以增强这些生物膜的性能。我们的研究结果表明，壳聚糖的最佳比例与不同的海藻和 STPP 含量相结合，可显著改善生物膜的特性。所开发的基于淀粉的生物膜为一次性塑料提供了一种环保、可持续的替代品，具有大规模、高成本效益生产的潜力。生物膜由美国食品及药物管理局批准的可再生食用材料制成。生物膜具有更好的机械性能和耐水性。生物膜具有无毒和抗菌特性。生物膜是一次性塑料包装食品的替代品。

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来源期刊

Polymer Engineering and Science 工程技术-高分子科学

CiteScore

5.40

自引率

18.80%

发文量

329

审稿时长

3.7 months

期刊介绍： For more than 30 years, Polymer Engineering & Science has been one of the most highly regarded journals in the field, serving as a forum for authors of treatises on the cutting edge of polymer science and technology. The importance of PE&S is underscored by the frequent rate at which its articles are cited, especially by other publications - literally thousand of times a year. Engineers, researchers, technicians, and academicians worldwide are looking to PE&S for the valuable information they need. There are special issues compiled by distinguished guest editors. These contain proceedings of symposia on such diverse topics as polyblends, mechanics of plastics and polymer welding.