Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; International and Inter University Centre for Nanoscience and Nanotechnology,Mahatma Gandhi University, Kottayam 686 560, Kerala, India.
International and Inter University Centre for Nanoscience and Nanotechnology,Mahatma Gandhi University, Kottayam 686 560, Kerala, India.
Int J Biol Macromol. 2020 May 15;151:806-813. doi: 10.1016/j.ijbiomac.2020.02.085. Epub 2020 Feb 18.
Zinc oxide (ZnO) encapsulated xanthan-based edible coating has been demonstrated in this paper for its main attribute of displaying superior anti-bacterial properties. The fabrication of microparticles was carried out through emulsion solvent evaporation route where ZnO particles get adsorbed onto xanthan gum matrix. Morphological analysis through TEM showed a flower like appearance for ZnO and core-shell morphology was observed for the hybrid system. The FT-IR analysis showed the successful encapsulation of ZnO into xanthan. To ensure the developed materials to be harmless for fruits and vegetables, the biocompatibility studies such as toxicity assay and blood compatibility studies were carried out. The results established that the hybrid microparticles were compatible to the blood cells and featured excellent cell viability upon treatment with human fibroblast cells. Finally a significant finding of this biocompatible hybrid coating on apples and tomatoes was the negligible weight loss for both in comparison to their uncoated fruits and vegetables under ambient conditions.
氧化锌 (ZnO) 包埋黄原胶基可食用涂层在本文中因其显示出优异的抗菌性能而得到证明。通过乳液溶剂蒸发法制备了微球，其中 ZnO 颗粒被吸附到黄原胶基质上。通过 TEM 的形态分析显示 ZnO 呈花状外观，而对于杂化体系则观察到核壳形态。FT-IR 分析表明 ZnO 已成功包埋到黄原胶中。为确保开发的材料对水果和蔬菜无害，进行了生物相容性研究，如毒性测定和血液相容性研究。结果表明，杂化微球与血细胞相容，并且在用人成纤维细胞处理时具有出色的细胞活力。最后，这种生物相容的混合涂层在苹果和西红柿上的一个重要发现是，与未经涂层的水果和蔬菜相比，在环境条件下，两者的重量损失可忽略不计。
