بررسی میزان فلزات سنگین در عضله و روغن ماهی سفید، کیلکای معمولی و کفال پوزه باریک

نوع مقاله: مقاله پژوهشی

نویسندگان

1 کارشناس ارشد صنایع غذایی، دانشکده علوم و مهندسی صنایع غذایی، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران

2 دانشیار گروه علوم و مهندسی صنایع غذایی، دانشکده علوم و مهندسی صنایع غذایی، واحد علوم و تحقیقات ، دانشگاه آزاد اسلامی، تهران، ایران

3 مربی، واحد علوم و تحقیقات تهران، دانشگاه آزاد اسلامی، تهران، ایران

چکیده

آلودگی محیط­های آبی به فلزات سنگین و پتانسیل تجمع زیستی این آلاینده‌ها به‌عنوان یک خطر جدی از مدت­ها پیش مورد توجه بوده است. این آلاینده­ها در بدن آبزیان تجمع می­یابند و سپس از طریق زنجیره غذایی به بدن انسان منتقل می­شوند. هدف از این مطالعه تعیین فلزات سنگین کادمیوم، سرب، آرسنیک و جیوه و فلزات آهن و مس در عضله و روغن ماهی سفید، کفال و کیلکا بود. برای این منظور سه نمونه ماهی سفید، کفال پوزه باریک و کیلکای معمولی از منطقه محمود آباد صید شد. قسمتی از عضله توسط فریز درایر خشک و قسمتی دیگر  به‌منظور استخراج روغن استفاده شد. سپس با استفاده از دستگاه اسپکترومتری جذب اتمی و Mercury Analyzer میزان فلزات سنگین در عضله و روغن ماهی تعیین شد. نتایج بدست آمده در مورد عضله نشان داد که بیشترین میزان جیوه (018/0±347/0)، کادمیوم (001/0±08/0)، مس (059/0±2156/1) و آهن (231/0±643/2) در ماهی سفید و بیشترین میزان سرب (015/0±3593/0) و آرسنیک (001/0±0892/0) در ماهی کفال تجمع یافته است. همچنین نتایج نشان داد در بین فلزات مورد مطالعه در روغن ماهی، بیشترین میزان مربوط به سرب و جیوه است. به‌طور کلی میزان فلزات وارد شده به روغن بسیار کمتر از عضله است. در مجموع می­توان گفت میزان فلزات سنگین در نمونه­های مورد بررسی پایین­تر و یا نزدیک به استانداردهای جهانی است. بنابراین مصرف آن­ها برای مصرف کننده مشکلی ایجاد نمی­کند. 

کلیدواژه‌ها


عنوان مقاله [English]

Check Amount of heavy metals in muscle and fish oil Rutilus frisii kutum, Clupeonella cultriventris and Liza saliens

نویسندگان [English]

  • S. Salehi Borban 1
  • M. Gharachorloo 2
  • F. Zamani 3
1 M. Sc. of Food Science and Technology, Science and Research Branch, Islamic Azad University, Tehran, Iran
2 Associate Professor of Department of Food Science and Technology, Science and Research Branch, Islamic Azad University, Tehran, Iran
3 Instructor, Science and Research Branch, Islamic Azad University, Tehran, Iran
چکیده [English]

Heavy metal pollution in marine environments and the potential for bioaccumulation of contaminants have been considered as a serious threat for a long time. These contaminants accumulate in fish body and then transferred through the food chain to humans. The aim of this study was to determine the heavy metals cadmium, lead, arsenic, mercury and copper and iron metals in muscle and fish oil (Rutilus frisii kutum ،Clupeonella cultriventris ،Liza saliens). Three samples of Rutilus frisii kutum ،Clupeonella cultriventris and Liza saliens were caught in Mahmoud Abad area. One part of the muscle was dried by freeze drying method and another part was used to extract the oil. Then, using the atomic absorption spectrometric and Mercury Analyzer heavy metals concentrations were determined in muscle and fish oil. The results of muscle showed the highest accumulation of mercury (0.347±0.018), cadmium (0.08±0.001), copper (1.2156±0.059) and iron (2.643±0.231) in Rutilus frisii kutum and the highest level of lead (0.3593±0.015) and arsenic (0.0892±0.001) in Liza saliens. Moreover, in the fish oils samples, lead and mercury had the highest concentrations. The heavy metals in the samples were lower than or close to international standards. Therefore, their use does not pose a health problem for the consumers. 

کلیدواژه‌ها [English]

  • Rutilus frisii Kutum
  • Clupeonella cultriventris
  • Liza saliens
  • fish oil
  • Heavy metal
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