ارزیابی خواص آنتی اکسیدانی و ضدمیکروبی نانوکامپوزیت کیتوزان و عصاره رازیانه (Foeniculum vulgare) در فیله فیل ماهی (Huso huso) نگهداری شده در یخچال

نوع مقاله : مقاله کامل

نویسندگان

1 گروه بهداشت و علوم پایه، دانشکده‌ی علوم تخصصی دامپزشکی واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران تهران، ایران

2 استاد گروه بهداشت و بیماریهای آبزیان، دانشکدهی علوم تخصصی دامپزشکی واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران

3 گروه بهداشت و علوم پایه، دانشکده‌ی علوم تخصصی دامپزشکی واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران

چکیده

از اصلی‌ترین منابع پروتئینی غذا‌های دریایی است که ماهی‌ها بخش عمده‌ای از آن را تشکیل می‌دهند ولی به شدت فسادپذیر هستند. ماندگاری ماهی‌ها در اثر مسائل مختلفی از جمله فساد میکروبی، شیمیایی و فیزیکی تحت تاثیر بوده که عمدتا همراه با بوی نامطبوع و لزجی همراه است. از مواردی که به شدت از فساد میکروبی و شیمیایی جلوگیری می‌کند بسته‌بندی اتمسفر اصلاح شده یا تحت خلا و استفاده از پوشش‌های خوراکی است. هدف مطالعه ارزیابی خواص آنتی اکسیدانی و ضدمیکروبی نانوکامپوزیت کیتوزان و عصاره رازیانه (Foeniculum vulgare) در فیله فیل ماهی نگهداری شده است. به منظور افزایش ماندگاری ماهی در دمای یخچال از بسته بندی MAP، VAP، پوشش نانوکامپوزیت کیتوزان و اسانس رازیانه استفاده شد. تیمار‌ها برای این منظور در چهار دسته بودند که شامل نمونه کنترل، پوشیده شده با نانوکامپوزیت کیتوزان ، پوشیده شده با عصاره رازیانه و پوشیده شده با نانوکامپوزیت کیتوزان حاوی اسانس رازیانه است. نمونه در دو نوع بسته بندی MAP و VAP قرار دارند که مجموعا با یک نمونه شاهد در بسته‌بندی معمولی، شامل 9 گروه نمونه مورد بررسی جمع‌آوری شد. ارزیابی خصوصیات پایداری نانوکامپوزیت کیتوزان بهمراه ارزیابی شاخص‌های میکروبی و موارد شیمیایی نشان داد که استفاده از پوشش نانوکامپوزیت کیتوزان حاوی اسانس رازیانه در بسته بندی MAP می‌تواند فیله (Huso huso) را به مدت 18 روز با کیفیت مطلوب در دمای یخچال نگهداشت در حالی‌که نمونه کنترل تنها 6 روز ماندگاری داشت. نمونه تیمار شده با پوشش نانوکامپوزیت کیتوزان و اسانس رازیانه به همراه بسته‌بندی MAP توانست کیفیت میکروبی و شیمیایی مناسبی فراهم نماید. در ارزیابی حسی مشخص شد در روز 27 نمونه امتیاز متوسطی را کسب و نتیجه مطلوب ارزیابی نشد. شمارش میکروارگانیسم‏ها در روز 27 نمونه‌های پوشیده با نانوکامپوزیت کیتوزان و اسانس رازیانه در حد مجاز قرار گرفت. از نظر خصوصیات شیمیایی و حسی فیله (Huso huso) نشان داد که مدت زمان ماندگاری حداقل 18 روز است.

کلیدواژه‌ها


عنوان مقاله [English]

Evaluation of antioxidant and antimicrobial properties of chitosan nanocomposite and fennel extract (Foeniculum vulgare) in Huso huso fillet kept in refrigerator

نویسندگان [English]

  • M. Maghamipour Soufyani 1
  • A. Mottallebe Moghanjoughi 2
  • A. Anvar 3
1 Department of Health and Basic Sciences, Faculty of Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
2 Department of Health and Basic Sciences, Faculty of Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
3 Department of Health and Basic Sciences, Faculty of Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
چکیده [English]

The main sources of protein, fat and energy are marine foods, most of which are fish, although severely affected by corruption. The shelf life of fish has been affected by a variety of issues, including microbial, chemical, and physical corruption, which is mainly accompanied by an unpleasant smell of leachate. Of the cases that strongly prevent microbial and chemical corruption, packaging is modified or vacuumed and the use of edible coatings. The aim of this study was to evaluate the antioxidant and antimicrobial properties of chitosan nanocomposite and fennel extract (Foeniculum vulgare) in elephant fillet fillets. In order to increase the shelf life of the fish at the refrigerator temperature, MAP, VAP, chitosan and fennel essential oil were used. Treatments in this study were four groups consisting of a control sample coated with chitosan, coated with fennel and chitosan containing essential oil. Samples were packed in two types of MAP and VAP packaging. In total, nine sample groups were sampled with a control sample in normal packaging. The evaluation of the nanocytosine stability properties, the evaluation of microbial indices and chemical samples showed that using chitosan coating containing fennel essential oil in MAP packaging, it is possible to keep elephant fish for optimal quality at refrigerator temperature for 18 days, while the sample the control lasted only 6 days. The treated sample with chitosan coating and fennel essential oil, along with the MAP package, provided good microbial and chemical qualities. But in the sensory evaluation it was found that on the 27th day this sample earned a modest score and was not evaluated desirable. Counts of microorganisms on day 27, samples containing chitosan and fennel essential oils are in the virtual range. But the chemical and sensory characteristics of the elephant fish showed a shelf life of at least 18 days.

کلیدواژه‌ها [English]

  • Anise extract
  • Anthrax fillet
  • Antimicrobial properties
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