Effect of Chitosan Coating Nano-emulsion Containing Zataria multiflora and Bunium persicum Essential Oils on Escherichia Coli O۱۵۷:H۷ in Vacuum-packed Rainbow Trout Fillet
سال انتشار: 1397
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 101
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شناسه ملی سند علمی:
JR_JHEHP-5-1_004
تاریخ نمایه سازی: 21 بهمن 1401
چکیده مقاله:
Background: Active antimicrobial packaging is a novel method for increasing the safety and shelf life of food products. The present study aimed to investigate the inhibitory effects of chitosan coating nano-emulsion incorporated with Zataria multiflora and Bunium persicum essential oils at the concentrations of ۰.۵% and ۱%, respectively on E. coli O۱۵۷:H۷ in vacuum-packed fish samples during ۱۲ days of refrigeration.
Methods: The samples were divided into various groups, including control (no coating), ۲% chitosan, ۲% chitosan nano-emulsion, and chitosan coating nano-emulsion containing Zataria multiflora and Bunium persicum essential oils at the concentrations of ۰.۵% and ۱%, respectively. The samples were vacuum-packed and stored at refrigeration temperature, and bacterial counting was performed on days zero, one, two, four, six, eight, and ۱۲.
Results: The mean bacterial count had a significant difference between the study groups during ۱۲ days of storage (P < ۰.۰۰۱). The most significant inhibitory effect on the growth of E. coli O۱۵۷:H۷ was observed with nano-emulsion of chitosan containing ۱% of Bunium persicum.
Conclusion: According to the results, using the nano-emulsion of chitosan coating with essential oils could effectively decrease the growth of E. coli O۱۵۷:H۷ in food products, especially fish.in food especially fish.
کلیدواژه ها:
نویسندگان
Fatemeh Raji
Department of Food Hygiene and Aquatics, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Iran.
Saeid Khanzadi
Department of Food Hygiene and Aquatics, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Iran.
Mohammad Hashemi
Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Mohammad Azizzadeh
Department of Clinical Science, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Iran.
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