Effect of Chitosan Nano-Gel/Emulsion Containing Bunium Persicum Essential Oil and Nisin as an Edible Biodegradable Coating on Escherichia Coli O157:H7 in Rainbow Trout Fillet
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JWENT-4-4_008
تاریخ نمایه سازی: 18 دی 1398
Abstract:
This research aimed to assess the effect of biodegradable coating chitosan nano-gel/emulsion loaded by Bunium persicum essential oil and nisin on E. coli O157:H7 in rainbow trout fillet during 12 days at refrigeration (4˚C). Trout fillet Sample was divided into 6 groups after inoculation of bacteria (E. coli O157:H7), including control (without any coating), coated with chitosan 2% and other groups including nano-emulsion chitosan 2%, Nano-emulsion of chitosan containing Bunium persicum essential oil (0.5%), Nano-gel of chitosan containing nisin (200 IU/g) and Nano-gel/emulsion of chitosan containing Bunium persicum essential oil (0.5%) and nisin (200 IU/g). The samples were stored at the cool condition, and the bacterial count was performed on days: 0, 1, 2, 4, 8, and 12. The mean number of the bacterial count was significantly different among treatment (p<0.001). The most significant inhibitory effect on the growth of E.coli O157:H7 was observed in chitosan Nano-emulsion coating containing Bunium persicum essential oil (0.5%) and nisin (200 IU/g). According to this study, it was concluded that the use of Nano-gel/emulsion of chitosan coating Bunium persicum essential oil and nisin could be effective on the decrease of E.coli O157:H7 growth in food.
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Authors
Hamidreza Kazemeini
Department of Food Hygiene, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies (AUSMT), Amol, Iran
Asghar Azizian
Department of Food Hygiene, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
Mohammad Hassan Shahavi
Faculty of Engineering Modern Technologies, Amol University of Special Modern Technologies (AUSMT), Amol, Iran
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