Preparation and application of thyme essential oil@halloysite nanotubes-loaded multifunctional pullulan/gelatin/PVA aerogels

文献类型： 外文期刊

第一作者： Ding, Mingke

作者： Ding, Mingke;Wu, Weijie;Liu, Ruiling;Niu, Ben;Chen, Huizhi;Fang, Xiangjun;Chen, Hangjun;Shen, Chaoyi;Gao, Haiyan

作者机构：

关键词： Bio-based aerogel; Thyme essential oil; Blueberry

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.5； 五年影响因子：8.7 ）

ISSN： 0141-8130

年卷期： 2025 年 309 卷

页码：

收录情况： SCI

摘要： Blueberries are susceptible to microbial contamination and mechanical damage after harvesting, thereby accelerating their quality deterioration. Therefore, in the present work, thyme essential oil@halloysite nanotubes (TEO@HNTs)-loaded pullulan/gelatin/PVA (PGP) aerogels with antimicrobial activities and cushioning properties were developed to address these issues. The results showed that TEO achieved a 91.1 % encapsulation efficiency in HNTs and hydrogen bonding interactions were formed between TEO and HNTs. TEO@HNTs improved the crystallinity, thermal stability, compression properties, and surface hydrophobicity of the PGP aerogels. The TEO@HNTs-loaded aerogels exhibited a sustained release of TEO and antimicrobial activity against E. coli (inhibition zone of 13.92 mm), S. aureus (inhibition zone of 16.55 mm), and B. cinerea. Moreover, the aerogels offered good cushioning for blueberries when subjected to mechanical impact, thus maintaining their quality during storage. In addition, cell cytotoxicity analysis showed that cell viability exceeded 94 %, indicating the excellent biocompatibility of the TEO@HNTs-loaded aerogels. The above results suggested promising prospects for the development of a multifunctional aerogel to maintain the quality of food products, such as blueberries, which are susceptible to microbial contamination and mechanical damage.

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