Study on Nanosilver-TiO2 photocatalytic nanocomposite coating with extrusion technique for increasing shelf life of Nile Tilapia (Oreochromis niloticus)

Azari, Armin; Anvar, Seyed Amir Ali; Ahari, Hamed; Sharifan, Anousheh; Motallebi Moghanjoghi, Abbasali

doi:10.22092/ijfs.2020.122566

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	Study on Nanosilver-TiO2 photocatalytic nanocomposite coating with extrusion technique for increasing shelf life of Nile Tilapia (Oreochromis niloticus)
Iranian Journal of Fisheries Sciences
دوره 19، شماره 5، پاییز 2020، صفحه 2618-2633 اصل مقاله (564.56 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22092/ijfs.2020.122566
نویسندگان
Armin Azari¹؛ Seyed Amir Ali Anvar ¹؛ Hamed Ahari²؛ Anousheh Sharifan²؛ Abbasali Motallebi Moghanjoghi¹
¹Department of Food Hygiene, Science and Research Branch, Islamic Azad University, Tehran, Iran
²Department of Food Science and Technology, Science and Research Branch, Islamic Azad University, Tehran, Iran.
چکیده
Utilizing present-day advancements is a well-considered methodology. In such manner, the combination of nanotechnology and food science has prompted the development of numerous capacities in the nutrition section. This study was conducted to evaluate the antimicrobial effect of nano-silver packaging at two refrigerator temperatures (4 and 8ºC) in Tilapia to evaluate the total viable count of microorganisms, Escherichia coli, Staphylococcal aureus, and psychrophilic bacteria. Ten grams of washed fish were divided into 5 groups treated with A: 1%: B 3%, C: 5%, D: 7% nano silver coating (E was the control group) and stored for 0, 3, 7, 14 and 30 days. The biochemical analysis of total volatile nitrogen and peroxide composition was investigated, and the best nano silver percentage was 7%. The result of this study demonstrates that the antimicrobial properties of nano silver for various bacterial species are exclusive and we believe that nano-silver packaging improved the quality and shelf life of Nile Tilapia.
کلیدواژه‌ها
AgNPs؛ Nanosilver-TiO2 nanocomposites؛ Extrusion technique؛ Scanning electron microscope؛ Total viable microorganisms count؛ Staphylococcal aureus؛ Psychrophilic bacteria؛ Escherichia coli

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Study on Nanosilver-TiO2 photocatalytic nanocomposite coating with extrusion technique for increasing shelf life of Nile Tilapia (Oreochromis niloticus)