Harnessing HP-β-CD in zein edible coatings for enhanced sensitive fruits preservation

IF 10.7 1区化学 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymers Pub Date : 2025-07-01 DOI:10.1016/j.carbpol.2025.123969

Antonella Vitiello , Ovidio Catanzano , Michele Guida , Annarita Scognamiglio , Alfonso Gallo , Gabriella Costabile , Francesca Ungaro , Agnese Miro , Fabiana Quaglia

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引用次数: 0

Abstract

Zein, a natural biodegradable protein, is a promising candidate for developing edible packaging to replace petrochemical-based materials food storage materials. However, its brittleness limits its standalone application. To overcome this, we incorporated 2-hydroxypropyl-beta-cyclodextrin (HP-β-CD) as a functional additive in zein biocoatings, leveraging its interaction with hydrophobic amino acids. We investigated how HP-β-CD affects zein aggregation at different temperatures, ethanol and zein concentrations. Results indicated that zein aggregation decreases with the introduction of HP-β-CD, leading to higher zein solubility. Optimized zein dispersions were utilized to prepare zein films, adding PEG 400 as a plasticizer. The impact of HP-β-CD on the physicochemical and structural properties of zein films was evaluated through orthogonal techniques. HP-β-CD improved the surface and barrier properties, reducing light transmission and water permeability by creating a denser matrix with improved structural integrity. Additionally, zein/HP-β-CD dispersions were directly applied to strawberries via dipping, forming coatings that extended shelf life, highlighting their potential as sustainable alternative to plastic food packaging. As many edible coatings require complex processing and functionalization with active ingredients, which are unnecessary in this case, this strategy offer exciting opportunities for improved food preservation across a broader range of applications, suggesting the need for further investigation.

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利用玉米蛋白可食性涂层中的HP-β-CD增强敏感水果保鲜

玉米蛋白是一种天然的可生物降解蛋白，是开发可食用包装以取代石油化工材料、食品储存材料的有前途的候选材料。然而，它的脆弱性限制了它的独立应用。为了克服这个问题，我们将2-羟丙基-β-环糊精（HP-β-CD）作为玉米蛋白生物涂层的功能添加剂，利用其与疏水氨基酸的相互作用。我们研究了HP-β-CD在不同温度、乙醇和玉米蛋白浓度下对玉米蛋白聚集的影响。结果表明，HP-β-CD的引入降低了玉米蛋白的聚集，提高了玉米蛋白的溶解度。利用优化后的玉米蛋白分散体，加入PEG 400作为增塑剂，制备玉米蛋白薄膜。通过正交试验考察了HP-β-CD对玉米蛋白膜理化性能和结构性能的影响。HP-β-CD改善了表面和屏障性能，通过创建密度更大、结构完整性更好的基质，降低了透光率和透水性。此外，玉米蛋白/HP-β-CD分散体通过浸渍直接应用于草莓，形成延长保质期的涂层，突出了它们作为塑料食品包装的可持续替代品的潜力。由于许多可食用涂层需要复杂的加工和活性成分的功能化，这在这种情况下是不必要的，这种策略为改善食品保存提供了令人兴奋的机会，在更广泛的应用范围内，表明需要进一步研究。

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来源期刊

Carbohydrate Polymers 化学-高分子科学

CiteScore

22.40

自引率

8.00%

发文量

1286

审稿时长

47 days

期刊介绍： Carbohydrate Polymers stands as a prominent journal in the glycoscience field, dedicated to exploring and harnessing the potential of polysaccharides with applications spanning bioenergy, bioplastics, biomaterials, biorefining, chemistry, drug delivery, food, health, nanotechnology, packaging, paper, pharmaceuticals, medicine, oil recovery, textiles, tissue engineering, wood, and various aspects of glycoscience. The journal emphasizes the central role of well-characterized carbohydrate polymers, highlighting their significance as the primary focus rather than a peripheral topic. Each paper must prominently feature at least one named carbohydrate polymer, evident in both citation and title, with a commitment to innovative research that advances scientific knowledge.