Antioxidant packaging films based upon starch-montmorillonite with forsythia flower extract: characterization and application.

IF 2.3 3区农林科学 Q2 CHEMISTRY, APPLIED

Food Additives and Contaminants Part A-chemistry Analysis Control Exposure & Risk Assessment Pub Date : 2024-12-01 Epub Date: 2024-09-27 DOI:10.1080/19440049.2024.2408739

Lilin Zhang, Minghui Zhang, Hongyan Chen

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引用次数: 0

Abstract

Plastic pollution is one of the most acute environmental problems in the world, so active packaging materials made from biodegradable natural polymers have received widespread attention in recent years. In this paper, forsythia flower extract, serving as an active ingredient, was integrated into the starch-sodium alginate-montmorillonite composite film. The physicochemical properties and functional packaging applications of the composite films were investigated. The results demonstrate the formation of a tightly-knit network structure through molecular interactions among forsythia flowers, starch, sodium alginate, and montmorillonite. Notably, the addition of forsythia flower extracts conferred better UV resistance (from 200 nm to 400 nm) and outstanding antioxidant properties to the composite films. After 18 days of storage, in comparison with the control group, the decay rate of fresh cherry tomatoes packaged with the composite film containing forsythia flower extract showed a significant reduction of 40%, the hardness increased by 25%, and the content of vitamin C was enhanced by 33%. Hence, the forsythia flower extract composite film offers a novel perspective for the design and development of bio-based packaging films for preserving fresh fruits. The results serve as a foundation for the subsequent advancement and application of forsythia flower in the field of packaging.

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基于连翘花提取物的淀粉蒙脱石抗氧化包装膜：特性分析与应用。

塑料污染是世界上最严重的环境问题之一，因此近年来由可生物降解的天然聚合物制成的活性包装材料受到了广泛关注。本文将连翘花提取物作为一种活性成分融入到淀粉-海藻酸钠-蒙脱石复合薄膜中。研究了复合薄膜的理化性质和功能性包装应用。结果表明，连翘花、淀粉、海藻酸钠和蒙脱石之间通过分子相互作用形成了紧密的网络结构。值得注意的是，连翘花提取物的加入使复合薄膜具有更好的抗紫外线性能（从 200 纳米到 400 纳米）和出色的抗氧化性能。与对照组相比，使用含有连翘花提取物的复合膜包装的新鲜樱桃番茄在储存 18 天后，腐烂率显著降低了 40%，硬度增加了 25%，维生素 C 的含量提高了 33%。因此，连翘花提取物复合膜为设计和开发用于保鲜水果的生物基包装膜提供了一个新的视角。这些结果为后续连翘花在包装领域的推广和应用奠定了基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Food Additives and Contaminants Part A-chemistry Analysis Control Exposure & Risk Assessment CHEMISTRY, APPLIED-FOOD SCIENCE & TECHNOLOGY

CiteScore

7.40

自引率

6.90%

发文量

136

审稿时长

3 months

期刊介绍： Food Additives & Contaminants: Part A publishes original research papers and critical reviews covering analytical methodology, occurrence, persistence, safety evaluation, detoxification and regulatory control of natural and man-made additives and contaminants in the food and animal feed chain. Papers are published in the areas of food additives including flavourings, pesticide and veterinary drug residues, environmental contaminants, plant toxins, mycotoxins, marine biotoxins, trace elements, migration from food packaging, food process contaminants, adulteration, authenticity and allergenicity of foods. Papers are published on animal feed where residues and contaminants can give rise to food safety concerns. Contributions cover chemistry, biochemistry and bioavailability of these substances, factors affecting levels during production, processing, packaging and storage; the development of novel foods and processes; exposure and risk assessment.