Development of bio-based PLA/cellulose antibacterial packaging and its application for the storage of shiitake mushroom

文献类型： 外文期刊

第一作者： Wang, Weitao

作者： Wang, Weitao;Niu, Ben;Liu, Ruiling;Chen, Hangjun;Fang, Xiangjun;Wu, Weijie;Wang, Guannan;Gao, Haiyan;Mu, Honglei

作者机构：

关键词： Cellulose; Byproducts; Modified; Antibacterial packaging; Shitake mushroom

期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）

ISSN： 0308-8146

年卷期： 2023 年 429 卷

页码：

收录情况： SCI

摘要： This study presents the extraction of cellulose from water bamboo byproducts to prepare polylactic acid (PLA)/ cellulose antibacterial packaging material. The cellulose was modified using a silane coupling agent, which improved the interfacial compatibility between cellulose and PLA. Upon coating the PLA onto the modified cellulose sheet, the water contact angle of the composite material increased from 11.42 degrees to 132.12 degrees and the water absorption rate decreased from 182.52% to 55.71%, which improved the water resistance performance of the material. The addition of cinnamaldehyde in the PLA layer imparted antibacterial activity to the PLA/cellulose packaging material. This packaging material effectively inhibited the mycelial growth and spore germination of Aspergillus niger and Trichoderma harzianum isolated from shiitake mushroom. Additionally, the study investigated the effects of the composite on the postharvest quality of shiitake mushroom. Overall, the packaging material contributed to shiitake mushroom storage and can be applied to other perishable food products.

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