Carboxymethyl cellulose based edible nanocomposite coating with tunable functionalities and the application on the preservation of postharvest Satsuma mandarin fruit

IF 8.5 1区农林科学 Q1 FOOD SCIENCE & TECHNOLOGY

Food Packaging and Shelf Life Pub Date : 2024-10-07 DOI:10.1016/j.fpsl.2024.101364

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引用次数: 0

Abstract

This study introduces an innovative carboxymethyl cellulose (CMC)-based edible nanocomposite coating, with two-dimensional layered double hydroxide nanosheets (2D LDH-NSs) and shellac, engineered to address challenges in fruit preservation. The synergistic integration of shellac and LDH-NS into the CMC matrix is strategically designed with tunable functionalities, encompassing wettability, gas barrier, and tensile properties. Our findings reveal that incorporating shellac and LDH-NS significantly improves the coating's wettability on the mandarin fruit surface, thus bolstering its adherence and uniformity, alongside enhancing its water vapor barrier efficacy and influencing the oxygen permeability. The application of this novel edible nanocomposite coating on Satsuma mandarin (Citrus unshiu Marc.) fruits has yielded promising outcomes in prolonging postharvest shelf life while preserving essential quality attributes, including peel surface morphology, weight loss, hardness, color retention, and nutritional values. Our work signifies a significant leap forward for the edible coating technology and bolsters the postharvest preservation of perishable fruits.

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基于羧甲基纤维素的具有可调功能性的可食用纳米复合涂层及其在采后萨摩蜜柑果实保鲜中的应用

本研究介绍了一种基于羧甲基纤维素（CMC）的创新型可食用纳米复合涂层，该涂层含有二维层状双氢氧化物纳米片（2D LDH-NS）和虫胶，旨在解决水果保鲜方面的难题。将虫胶和 LDH-NS 协同整合到 CMC 基质中的战略设计具有可调功能，包括润湿性、气体阻隔性和拉伸性能。我们的研究结果表明，加入虫胶和 LDH-NS 能显著改善涂层在柑橘表面的润湿性，从而增强其附着力和均匀性，同时提高其水蒸气阻隔效果并影响氧气渗透性。在萨摩蜜柑（Citrus unshiu Marc.）果实上应用这种新型可食用纳米复合涂层，在延长采后货架期的同时保留了果皮表面形态、重量损失、硬度、保色性和营养价值等基本质量属性，取得了可喜的成果。我们的研究成果标志着可食用涂层技术的重大飞跃，有助于易腐水果的采后保鲜。

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来源期刊

Food Packaging and Shelf Life Agricultural and Biological Sciences-Food Science

CiteScore

14.00

自引率

8.80%

发文量

214

审稿时长

70 days

期刊介绍： Food packaging is crucial for preserving food integrity throughout the distribution chain. It safeguards against contamination by physical, chemical, and biological agents, ensuring the safety and quality of processed foods. The evolution of novel food packaging, including modified atmosphere and active packaging, has extended shelf life, enhancing convenience for consumers. Shelf life, the duration a perishable item remains suitable for sale, use, or consumption, is intricately linked with food packaging, emphasizing its role in maintaining product quality and safety.