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<p>The quality of chicken eggs rapidly deteriorates after laying during storage due to mass transfer (moisture and CO<sub>2</sub> loss) primarily through the porous in the eggshell, resulting in decreased commercial value. This reseach evaluated the effectiveness of the chitosan (CH) biopolymer-sepiolite (SPT) nanocomposite biocoatings at different concantrations (0.625, 1.25. 2.5 and 5%) to enhance storage stability of the eggshells ness during 30 days storage. The CH/SPT bionanocoatings improved the structural integrity of the eggshell by sealing its porous structure, as a result reduction of shell breakage and significantly lowering mass transfer rates, which collectively led to an extended preservation and storage stability of the eggs. The coated eggs highligted significantly lower weight loss, better preservation of Haugh Unit (HU), mimimized albumen pH increase, and improved eggshell puncture strength (EPS) compared to uncoated control eggs. Specifically, the coating containing 5% Sepiolite (SPT 5%) exhibited the best performance, limiting weight loss to 1.81% (Control: 4.06%), maintaining HU at 68.60 (Control: 47.14), and increasing EPS to 5399&#xa0;N (Control: 4202&#xa0;N) after 30 days. The 2.5% sepiolite concentration appear to offer the most commercially viable compromise optimum concentration, providing high protection and offering a balance between aesthetics integrity and economic feasibility. The application of chitosan/sepiolite nanocomposite coatings provides an effective, sustainable, and eco-friendly strategy for extending the storage stability and quality of eggs.</p>

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The sepiolite nanocomposite coatings on improved storage stability of sustainable eggs packaging

  • 期刊论文

  • 发表日期：

    2026年7月20日

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  • Cengiz Caner,
  • Havva Cemile Temel,
  • Muhammed Yüceer

摘要

The quality of chicken eggs rapidly deteriorates after laying during storage due to mass transfer (moisture and CO2 loss) primarily through the porous in the eggshell, resulting in decreased commercial value. This reseach evaluated the effectiveness of the chitosan (CH) biopolymer-sepiolite (SPT) nanocomposite biocoatings at different concantrations (0.625, 1.25. 2.5 and 5%) to enhance storage stability of the eggshells ness during 30 days storage. The CH/SPT bionanocoatings improved the structural integrity of the eggshell by sealing its porous structure, as a result reduction of shell breakage and significantly lowering mass transfer rates, which collectively led to an extended preservation and storage stability of the eggs. The coated eggs highligted significantly lower weight loss, better preservation of Haugh Unit (HU), mimimized albumen pH increase, and improved eggshell puncture strength (EPS) compared to uncoated control eggs. Specifically, the coating containing 5% Sepiolite (SPT 5%) exhibited the best performance, limiting weight loss to 1.81% (Control: 4.06%), maintaining HU at 68.60 (Control: 47.14), and increasing EPS to 5399 N (Control: 4202 N) after 30 days. The 2.5% sepiolite concentration appear to offer the most commercially viable compromise optimum concentration, providing high protection and offering a balance between aesthetics integrity and economic feasibility. The application of chitosan/sepiolite nanocomposite coatings provides an effective, sustainable, and eco-friendly strategy for extending the storage stability and quality of eggs.