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Evaluation of Zinc Oxide Nanocomposite With Aloe Vera Gel for Packaging of Chicken Fillet Against Salmonella Typhi and Salmonella Para Typhi A Publisher



Soltandallal MM1, 2 ; Karimaei S1 ; Hajighasem M3 ; Hashemi SJ4 ; Rahimiforoushani A5 ; Ghazikhansari M6 ; Partoazar A7
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Authors Affiliations
  1. 1. Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Food Microbiology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Division of Food Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  7. 7. Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran

Source: Food Science and Nutrition Published:2023


Abstract

The growing demand for high food quality has been encouraging researchers in the food industry to apply biodegradable nanocomposites, which provide new opportunities and challenges for the advance of nanomaterials in the food industry. The objective of this study was to estimate the antibacterial activity and cytotoxicity effects of zinc oxide nanocomposite/zeolite (c/Zeo) with Aloe vera gel (AG) and its effect on the shelf life of chicken meat. The ZnONPs/Zeo was assessed using X-ray fluorescence (XRF) and field emission scanning electron microscopy (FE-SEM) analyses. The cytotoxicity effect of ZnONPs/Zeo was assessed by MTT assay. Then, the minimum inhibitory concentrations (MIC) and minimum bactericidal concentration (MBC) of ZnONPs/Zeo and ZnONPs/Zeo-AG against Salmonella typhi and Salmonella para typhi A were investigated. Also, the preservative effect of nanocomposites on chicken fillets was evaluated. The results showed that these nanocomposites have the least cytotoxicity effect, resulting in good biocompatibility with the host. The MIC and MBC values of ZnONPs/Zeo-AG were lower than the ZnONPs/Zeo against S. typhi and S. paratyphi A. Both ZnONPs/Zeo-AG and ZnONPs/Zeo caused a significant decrease in the bacterial count of the chicken fillets. So, by spraying on meat, the number of bacteria presented a sharper decline as compared with the control group, resulting in an approximately 3.3 and 3-log10 reduction over 48 h in the ZnONPs/Zeo-AG and ZnONPs/Zeo treatment samples, respectively. In conclusion, antimicrobial packaging with ZnONPs containing A. vera is a beneficial solution for preserving and improving the quality, safety, and shelf life of fresh meat products. © 2023 The Authors. Food Science & Nutrition published by Wiley Periodicals LLC.
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