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    Study on cinnamon essential oil release performance based on pH-triggered dynamic mechanism of active packaging for meat preservation

    Year: 2023

    Journal: Food Chemistry, Volume 400, 2023-01-30, page 134030

    Authors: Zhang, Junjun; Zhang, Jianing; Huang, Xiaowei; Shi, Jiyong; Muhammad, Arslan; Zhai, Xiaodong; Xiao, Jianbo; Li, Zhihua; Povey, Megan; Zou, Xiaobo

    Keywords: Antibacterial activity; Active packaging; Coaxial electrospinning; Controlled-release; pH-triggered

    The regular release kinetics of active ingredients is inconsistent with the demand of meat preservation. Herein, the pH-triggered dynamic mechanism of packaging film was developed based on L100 polymer incorporated with Cinnamon essential oil (CEO) by coaxial electrospinning. The acquired results revealed that UV–vis and fluorescence spectra confirmed the pH release behavior. The fabricated film was quickly dissolved and transformed from solid to liquid phase, resulting in a faster release rate of CEO from 68.9 % to 98.2 % with the pH increasing. The morphological structure verified the core–shell structure formation with a specific surface area value of 7.22 m2/g. The live/dead results of bacteria indicated good antibacterial efficacy against E. coli and S. aureus. The pH-sensitive film successfully extends the shelf-life of griskin by 3 days. In conclusion, this work will aid in optimizing durability of active ingredients in packaging.
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