Development of polyvinyl alcohol/beta-cyclodextrin antimicrobial nanofibers for fresh mushroom packaging

文献类型： 外文期刊

第一作者： Pan, Jiefeng

作者： Pan, Jiefeng;Ai, Fangmi;Shao, Ping;Chen, Hangjun;Gao, Haiyan

作者机构：

关键词： Electrospinning; Polyvinyl alcohol; Cinnamon essential oil; Antimicrobial activity; Mushroom; Packaging

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2019 年 300 卷

页码：

收录情况： SCI

摘要： Under the optimal conditions, a crosslinked electrospun polyvinyl alcohol/cinnamon essential oil/beta-cyclodextrin (CPVA-CEO-beta-CD) nanofibrous films for sustained release of antimicrobials were successfully prepared. Cinnamon essential oil (CEO) can be sustainably released due to CPVA-CEO-beta-CD nanofibers complex delivery systems. The chemical crosslinking and physical welding achieved simultaneously by glutaraldehyde atomization fumigation, making fibers more suitable for fresh food packaging. Nanofibrous films were characterized in terms of SEM, ATR-FTIR, DSC, water contact angle analysis and antibacterial trials. ATR-FTIR and DSC data indicated that CEO was encapsulated in a beta-CD cavity and they coexisted in PVA nanofibers. The water contact angle of the crosslinked PVA nanofibrous films increased with CEO and the values were always below 90 degrees. Crosslinked nanofibers possessed fine properties in vitro antibacterial against Staphylococcus aureus and Escherichia coll. Furthermore, CPVA/beta-CD/CEO nanofibrous films delayed decay of mushroom during storage, indicating their potential implementation in active food packaging.

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