琥珀酸酐
香芹酚
食品包装
活性包装
纳米纤维
化学工程
纤维素
材料科学
化学
纳米复合材料
有机化学
高分子化学
纳米技术
抗菌剂
食品科学
工程类
作者
Luana Amoroso,Kevin J. De France,Nico Kummer,Qun Ren,Gilberto Siqueira,Gustav Nyström
标识
DOI:10.1016/j.ijbiomac.2023.124869
摘要
Food packaging plays an extremely important role in the global food chain, allowing for products to be shipped across long distances without spoiling. However, there is an increased need to both reduce plastic waste caused by traditional single-use plastic packaging and improve the overall functionality of packaging materials to extend shelf-life even further. Herein, we investigate composite mixtures based on cellulose nanofibers and carvacrol via stabilizing octenyl-succinic anhydride-modified epsilon polylysine (MɛPL-CNF) for active food packaging applications. The effects of epsilon polylysine (εPL) concentration and modification with octenyl-succinic anhydride (OSA) and carvacrol are evaluated with respect to composites morphology, mechanical, optical, antioxidant, and antimicrobial properties. We find that both increased εPL concentration and modification with OSA and carvacrol lead to films with increased antioxidant and antimicrobial properties, albeit at the expense of reduced mechanical performance. Importantly, when sprayed onto the surface of sliced apples, MεPL-CNF-mixtures are able to successfully delay/hinder enzymatic browning, suggesting the potential of such materials for a range of active food packaging applications.
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