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Dr. Mohamed Khairy El-Sayed Abd El-Hafez Morsy :: Publications:

Impact of Aluminum Oxide and Silica Oxide Nanocomposite on Foodborne Pathogens in Chicken Fillets
Authors: Alaa G. Osman1,2, Ahmed I. El-Desouky1, Mohamed K. Morsy1*,Ahmed A. Aboud3 and Mahmoud H. Mohamed
Year: 2019
Keywords: Antimicrobial activity; HPMC edible film; nanoparticles; chicken fillets; cold storage
Journal: European Journal of Nutrition & Food Safety
Volume: 9
Issue: 2
Pages: 152-162
Publisher: sciencedomain international
Local/International: International
Paper Link:
Full paper Mohamed Khairy El-Sayed Abd El-Hafez Morsy_12- Aluminum and slica oxid nanoparticles 2019.pdf
Supplementary materials Not Available

Nanotechnology is an innovative technology for improving food quality and safety. Aims: The aim of this study was to evaluate the efficacy of hydroxy propyl methyl cellulose (HPMC) films containing nanoparticles against three foodborne pathogens. Design of the Study: *This study was designed using two nanoparticles i.e. (Al2O3-NPs and SiO2- NPs), edible film (HPMC), and three foodborne pathogens i.e. Bacillus cereus, Staphylococcus aureus, and Salmonella Typhimurium. Both nanoparticles were evaluated against foodborne pathogens as well applied in chicken fillets. Place and Duration: All experiments were done in the Food Technology Department, Benha University, Egypt; Nanomaterial Laboratory, Beni-Suef University, Egypt; and Agricultural Research Center, Egypt and were done within three months. Methodology: The preparation of edible films, the antimicrobial activity, mode of antimicrobial action, challenge study, and scanning electron microscopy had been carried out in different laboratories. As well the mechanical properties of the HPMC films were evaluated. Results: The results obtained from this study showed that the nanoparticles (~80 nm) at 80 ppm were active against Bacillus cereus, Staphylococcus aureus, and Salmonella Typhimurium compared with 20 and 40 ppm. The HPMC films including Al2O3-NPs were active against B. cereus than S. aureus and S. typhimurium, while the SiO2-NPs were more effective against S. typhimurium and B. cereus compared with S. aureus. In challenge studies, HPMC films includingAl2O3-NPs and SiO2-NPs at 80 ppm decreased the viability of the three-foodborne pathogens associated with chicken fillets stored at 4±1°C for 15 days, as compared with the control sample. HPMC films incorporated with nanoparticles inhibited the microbial population ~ 2-3 log10 CFU/cm2 over the chicken fillets during storage period. Conclusion: This work indicated that, HPMC films incorporated with Al2O3-NPs and SiO2-NPs (~80 nm) at 80 ppm could be reduce the microbiological loads of the refrigerated chicken fillets

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