Propolis ethanol extract functionalized chitosan/Tenebrio molitor larvae protein film for sustainable active food packaging

文献类型： 外文期刊

第一作者： Liu, Mengyao

作者： Liu, Mengyao;Chen, Hualei;Pan, Fei;Wu, Xinning;Fang, Xiaoming;Li, Xiangxin;Tian, Wenli;Peng, Wenjun;Zhang, Yuan

作者机构：

关键词： Tenebrio molitor larvae protein; Chitosan; Propolis ethanol extract; Antibacterial; Food preservation; Biodegradable film

期刊名称：CARBOHYDRATE POLYMERS （ 影响因子：10.7； 五年影响因子：10.2 ）

ISSN： 0144-8617

年卷期： 2024 年 343 卷

页码：

收录情况： SCI

摘要： The application of novel insect proteins as future food resources in the food field has attracted more and more attention. In this study, a biodegradable antibacterial food packaging material with beneficial mechanical properties was developed using Tenebrio molitor larvae protein (TMP), chitosan (CS) and propolis ethanol extract (PEE) as raw materials. PEE was uniformly dispersed in the film matrix and the composite films showed excellent homogeneity and compatibility. There are strong intermolecular hydrogen bond interactions between CS, TMP, and PEE in the films, which exhibit the structure characteristics of amorphous materials. Compared with CS/TMP film, the addition of 3 % PEE significantly enhanced the elongation at break (34.23 %), water vapor barrier property (22.94 %), thermal stability (45.84 %), surface hydrophobicity (20.25 %), and biodegradability of the composite film. The composite film has strong antioxidant and antimicrobial properties, which were enhanced with the increase of PEE content. These biodegradable films offer an eco-friendly end-of-life option when buried in soil. Composite films can effectively delay the spoilage of strawberries and extend the shelf life of strawberries. Biodegradable active packaging film developed with insect protein and chitosan can be used as a substitute for petroleum-based packaging materials, and has broad application prospects in the field of fruits preservation.

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