Preparation of Cinnamon Oil-Loaded Antibacterial Composite Microcapsules by In Situ Polymerization of Pickering Emulsion Templates
文献类型： 外文期刊
作者： Li, Yaozong 1 ; Liu, Jiaming 1 ; He, Xiaofen 1 ; Kong, Dexin 2 ; Zhou, Chuang 3 ; Wu, Hong 2 ; Yang, Ziming 3 ; Yang, Zhu 1 ;
作者机构： 1.South China Agr Univ, Coll Mat & Energy, Guangzhou 510642, Peoples R China
2.South China Agr Univ, State Key Lab Conservat & Utilizat Subtrop Agrobi, Guangzhou 510642, Peoples R China
3.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Minist Agr & Rural Affairs, Key Lab Trop Crop Prod Proc, Zhanjiang 524001, Peoples R China
关键词： antibacterial microcapsules; cinnamon oil; composite microcapsules; oil-loaded microcapsules; Pickering emulsion templates
期刊名称：MACROMOLECULAR MATERIALS AND ENGINEERING （ 影响因子：4.367； 五年影响因子：4.149 ）
ISSN： 1438-7492
年卷期： 2020 年 305 卷 3 期
页码：
收录情况： SCI
摘要： In this study, the cinnamon oil (CMO)-loaded antibacterial composite microcapsules with silicon dioxide (SiO2)/poly(melamine formaldehyde) (PMF) hybrid shells are effectively and facilely constructed by in situ polymerization of SiO2 nanoparticle-stabilized Pickering emulsion templates. The morphological structure, composition, and thermal performance of the microcapsules are determined by scanning electronic microscopy, Fourier transform infrared spectroscopy, and thermal gravimetric analysis. In addition, in vitro CMO release and antimicrobial investigations of the microcapsules are also performed, respectively. The results demonstrate that the microcapsules own an approximately spherical shape with a core-shell structure. Moreover, the micro-encapsulation of CMO clearly increases its thermal stability, and meanwhile results in obtaining microcapsules with the controlled CMO release and visibly long-term antimicrobial effects. All the results show that in situ polymerization based on templating Pickering emulsions is an attractive method to construct antibacterial essential oil-loaded microcapsules, which can be served as promising antibacterial materials.
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