Carboxymethyl chitosan and polycaprolactone-based rapid in-situ packaging for fruit preservation by solution blow spinning

文献类型： 外文期刊

第一作者： Shen, Chaoyi

作者： Shen, Chaoyi;Wu, Di;Yang, Xiangzheng;Wang, Da;Zhu, Changqing;Wu, Di;Chen, Kunsong;Yang, Xiangzheng;Wang, Da;Li, Jiangkuo;Wu, Di

作者机构：

关键词： In-situ packaging; Solution blow spinning; Nanofiber; Metabonomics analysis

期刊名称：CARBOHYDRATE POLYMERS （ 影响因子：11.2； 五年影响因子：10.2 ）

ISSN： 0144-8617

年卷期： 2024 年 326 卷

页码：

收录情况： SCI

摘要： Nanofiber packaging has not yet gained practical application in fruit preservation because of some limitations, such as low production rate and utilization, and failure due to poor adhesion to the fruit. Herein, to solve this issue, a novel fruit packaging method based on solution blow spinning (SBS), called in-situ packaging, was pioneered. Specifically, carboxymethyl chitosan (CMCH) and polycaprolactone (PCL) were chosen as substrate materials and cherry tomatoes were selected as demonstration subjects. CMCH/PCL nanofibers were deposited directly onto the surface of cherry tomatoes by SBS, forming a tightly adherent and stable fiber coating in 8 min. Also, this in-situ packaging could be easily peeled off by hand. The in-situ packaging was an excellent carrier for active substances and was effective in inhibiting gray mold on cherry tomatoes. The in-situ packaging film formed a barrier on the surface of cherry tomatoes to limit moisture penetration, resulting in reduced respiration of fruits, which led to reduced weight and firmness loss. In addition, metabolomics and color analysis revealed that the in-situ packaging delayed ripening of cherry tomatoes after harvest. Overall, the in-situ packaging method developed in the present work provides a new solution for post-harvest fruit preservation.

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