食品包装
纳米颗粒
材料科学
锌
扫描电子显微镜
兴奋剂
纳米技术
食品科学
核化学
化学工程
化学
复合材料
冶金
光电子学
工程类
作者
Manpreet Kaur Mann,Balwinder Singh Sooch
标识
DOI:10.1038/s41598-023-41640-1
摘要
Abstract Food packaging reinforced with Zn-doped TiO 2 nanoparticles with enhanced prerequisite film-forming and biodegradable traits was prepared to augment fresh food storage. Pure and tailored metal (Zinc, Copper, and Selenium) doped TiO 2 nanoparticles were synthesized and analyzed through multiple characterization techniques (optical spectra, XRD patterns (X-Ray Diffraction), Dynamic Light Scattering, and Scanning Electron Microscopy). The synthesized nanoparticles were tested for their Minimum Inhibitory Concentrations, antimicrobial potential against common lethal food pathogens, and cytotoxicity. Compared to Cu- and Se-doped nanoparticles, Zn-doped TiO 2 nanoparticles displayed the most potent antimicrobial activity with insignificant cytotoxicity and were incorporated into the food packaging materials. The developed nano-reinforced food packaging efficaciously augmented the freshness of plums ( Oemleria cerasiformis ) for 16 days (42 ± 2 °C). The physicomechanical characterization of the nano-reinforced packaging establishes its utility in food packaging applications. The developed biodegradable packaging undergoes complete decomposition within 12 days of storage in natural soil.
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