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Ziarati, P., Makki, F. (2017). Levels of Mercury in Persian Gulf Frozen Fish Species. Journal of Pharmaceutical & Health Sciences, 5(1), 15-22.
Parisa Ziarati; Fatemehsadat Mirmohammad Makki. "Levels of Mercury in Persian Gulf Frozen Fish Species". Journal of Pharmaceutical & Health Sciences, 5, 1, 2017, 15-22.
Ziarati, P., Makki, F. (2017). 'Levels of Mercury in Persian Gulf Frozen Fish Species', Journal of Pharmaceutical & Health Sciences, 5(1), pp. 15-22.
Ziarati, P., Makki, F. Levels of Mercury in Persian Gulf Frozen Fish Species. Journal of Pharmaceutical & Health Sciences, 2017; 5(1): 15-22.

Levels of Mercury in Persian Gulf Frozen Fish Species

Article 1, Volume 5, Issue 1, Winter 2017, Page 15-22  XML PDF (315.11 K)
Document Type: Original Article
Authors
Parisa Ziarati email 1; Fatemehsadat Mirmohammad Makki2
1Pharmaceutical Sciences Branch, Islamic Azad University
2Department of Food Science & Technology, Science and Research Branch, Islamic Azad University, Tehran-Iran
Abstract
Severe discharge of sewage and industrial effluents into the Persian Gulf leads to the deposition of various types of heavy metals, especially lead and mercury, in the muscles of fish. Total mercury and methylmercury contents were determined in the edible parts (muscle tissue, fillet) of two different most popular frozen fish species from the Persian Gulf to ascertain whether the concentrations exceeded the maximum level fixed by the European Commission or not. During the period from October 2015 to June 2016, a total of 150 frozen fish packaged samples were randomly collected from the recognized supermarkets in Tehran province, Iran. The mercury (Hg) concentration of samples was determined by atomic absorption spectrophotometer using a mercuric hydride system (MHS 10) and also by direct mercury analyzer (DMA). High concentration of total Hg was found in a Carcharhinus dussumie brand (0.91 ± 0.12 μg/g) while the lowest level was detected in Pomadasys furcatus (0.29 ± 0.02 μg/g). In current study the mean concentrations of Mercury in all studied frozen fish samples were 0.79 ± 0.11 µg/g that means Hg levels were above 0.5 μg/g, which is the maximum standard level recommended by Joint FAO/WHO/Expert Committee on Food Additives (JECFA). In 13% of Pomadasys and in 47.2 % of Carcharhinus fish samples total mercury concentrations exceeded the maximum level fixed by the European Commission. All samples had also mean Hg concentrations that exceeded EPA's established safety level of 0.3 μg/g.
Keywords
Frozen Fish; Mercury Contamination; Risk Assessment; Carcharhinus dussumie
Main Subjects
Food Sciences and Technology
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