Preservation mechanisms of jute fibers derived cellulose nanofibril composite films for banana storage: effects of chemical composition and particle size

文献类型： 外文期刊

第一作者： Yu, Wang

作者： Yu, Wang;Tan, Zhijian;Luo, Liru;Tang, Zhonghai;Rizzarelli, Paola;Santagata, Gabriella

作者机构：

关键词： Cellulose nanofibrils; Composite films; Food packaging; Preservation mechanisms; Jute

期刊名称：CELLULOSE （ 影响因子：4.8； 五年影响因子：5.6 ）

ISSN： 0969-0239

年卷期： 2025 年 32 卷 6 期

页码：

收录情况： SCI

摘要： Nanocellulose is emerging as a biodegradable alternative to synthetic plastics in food packaging, but the preservation mechanisms of nanocellulose composite films have not yet been understood clearly enough. In this study, the preservation mechanism of jute fibers derived cellulose nanofibril (CNF) coatings for banana storage was explored in terms of both chemical composition and particle size. In terms of chemical composition, the CNF coating prepared from raw jute fibers was most suited for use in banana storage, mainly due to its higher antioxidant and UV protection properties. In terms of particle size, the CNF coating homogenized for 5 passes achieved the best performance in preserving the freshness of bananas, mainly owing to its better oxygen barrier properties. The possible preservation mechanism of jute fibers derived CNF composite films for banana storage is related to the formation of a highly dense structure attributed to the strong hydrogen bonding between cellulose molecules and the plugging effect of noncellulosic components, offering excellent antioxidant, UV resistance, and oxygen barrier properties. This paper provides scientific guidance for the design of nanocellulose composite films for food packaging.

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