Abstract
The study validated the efficacy of methyl cellulose films doped with different concentration of Eu2O3 nanoparticles to inactivate foodborne pathogens. Eu2O3 nanoparticles were added to the methyl cellulose solution with different weight percentages (0.0, 0.5, 0.75, 1.0, 1.25, and 1.5 wt%). X‐ray diffraction patterns for the prepared films were studied. A significant lower count of E. coli, S. typhimurium, and S. aureus (p ≤ .05) inoculated in MC films doped with Eu2O3 nanoparticles compared with pure MC film could be achieved. The findings acquired verify the impact of prepared MC films doped with Eu2O3 nanoparticles on the test strains.
Highlights
An escalation has been found in foodborne outbreaks caused by pathogens especially in developing countries
A significant lower count of E. coli, S. typhimurium, and S. aureus (p ≤ .05) inoculated in methyl cellulose (MC) films doped with different concentration of Eu2O3 nanoparticles compared to pure MC film could confirm the effect of the prepared films against foodborne test strains (Figures 2 and 3)
MC films doped with 1.50 wt% Eu2O3 nanoparticles exhibited the strongest activity against the test strains, while MC films doped with 0.50 wt% Eu2O3 nanoparticles were the least effective concentration compared with pure MC film
Summary
An escalation has been found in foodborne outbreaks caused by pathogens especially in developing countries. E. coli, S. typhimurium, and S. aureus remain a significant food safety issue in raw meat, chicken meat, and their products (Chen et al, 2012). Despite the introduction of mandatory testing for foodborne bacteria and multi-level intervention strategies, sporadic outbreaks of foodborne diseases and products recall are associated with E. coli, S. typhimurium, and S. aureus contamination (Wadamori, Gooneratne, & Hussain, 2017). Developing of naturally occurring polymer with the film formation capacity and antimicrobial properties to improve health, safety, shelf life, and biomedical application, gains a considerable regard nowadays (Fernandez-Saiz, Lagaron, Hernandez-Muñoz, & Ocio, 2008; Irkin & Esmer, 2015; Malhotra, Keshwani, & Kharkwal, 2015). The use of rare earth elements nanoparticles as a dopant for different biopolymers can be considered as a way to develop bilateral. The prepared MC films were examined to evaluate their consequences on the used foodborne test strains
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