A composite coating film based on the interfacial interlocking symbiosis of nanolignin Pickering emulsion and pectin matrix for perishable fruit preservation

文献类型： 外文期刊

第一作者： Zhang, Shikai

作者： Zhang, Shikai;Zhang, Shikai;Guo, Haonan;Zhang, Bowen;Li, Houshen;Ai, Shiyun;Zhang, Shikai;Ding, Ke;Shan, Yang;Ding, Shenghua;Guo, Haonan;Li, Houshen;Ai, Shiyun;Zhang, Bowen

作者机构：

关键词： Citrus peel; Waste utilization; Pickering emulsions; Coating; Antimicrobial; Food Packaging

期刊名称：CHEMICAL ENGINEERING JOURNAL （ 影响因子：13.2； 五年影响因子：13.5 ）

ISSN： 1385-8947

年卷期： 2025 年 507 卷

页码：

收录情况： SCI

摘要： Polysaccharide-based coating films hold great promise for food preservation, but are still limited by poor physical properties and antimicrobial activity. However, current improvement methods are often difficult to trade-offing between multiple properties of the coating film and may introduce potential biotoxicity. Herein, a strategy of interfacial interlocking symbiosis between nanolignin citrus essential oil Pickering emulsion (NLCPE) and pectin matrix (PM) interface is proposed to prepare composite coating films that can be used for perishable fruit preservation. In this process, PM fills the voids between the nanolignin (dispersed phase) and tightly connects them together through hydrogen bonding to form a stable structure, realizing the long-term stability of NLCPE. On the other hand, pectin embedded in NLCPE acts as a bridge, allowing it perfectly compatible with PM, and filling and connecting the gaps between PM molecular chains to form a dense and stable coating film. Benefiting from this symbiotic reinforcement, the coating film exhibits excellent broad-spectrum antimicrobial, antioxidant, ultraviolet resistance and long-term release of actives, while also improving physical performance indicators such as mechanical, hydrophobic and gas-barrier properties, realizing a perfect trade-off between physical and antimicrobial properties. They are reliably biosafe and can effectively extend the shelf life of variou fruits and can be considered as a safe food preservation material. This strategy of interfacial interlocking symbiosis perfectly addresses the application limitations of polysaccharide-based materials and hopefully becomes a new paradigm in the field of materials science, bringing new opportunities for the development of more highperformance multifunctional materials.

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