Volume 3, Issue 4 (3-2012)
3 2012, 3(4): 73-82 |
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Tarasoli A, Esmaeili A, Valinasab T. An investigation of Cadmium and Lead concentrations in whitecheek shark (Rhizoprion odonacutus) and Milkshark (Carcharinus dussumieri) in Persian Gulf. 3 2012; 3 (4) :73-82
URL: http://jmb.ahvaz.iau.ir/article-1-78-en.html
URL: http://jmb.ahvaz.iau.ir/article-1-78-en.html
Abstract: (6531 Views)
The research was conducted to investigation Cadmium (Cd) and Lead (Pb) concentrations in the muscle and liver tissues of Whitecheek shark (Carcharhinusdussumieri) and Milk shark (Rhizoprionodonacutus) in the coasts of Bandar Abbas, in winter 2010. Cd and Pb concentrations were determined by Atomic Absorption Spectrophotometrery Perkin Elmer 800. The average ±SD of Cd and Pb concentrations were in the muscle tissue of Whitecheek shark (<0.02 - 0.13±0.02 µg/g w wt respectively) and Milk shark (<0.02 - 0.09±0.01 µg/g w wt respectively). Whereas, the average ±SD of Cd and Pb concentrations were in the liver tissues of Whitecheek shark (0.09±0.01 – 0.40±0.03 µg/g w wt respectively) and Milk shark (0.06±0.01 - 0.32±0.04 µg/g w wt respectively). Cd concentration in the muscle tissue and Pb concentration in both muscle and liver tissues of Whitecheek shark their comparison with Milk shark showed a significant difference (P<0.05). A significant (P<0.05) positive relationships were found between shark size (fork-length and weight) and Cd concentration in the liver and Pb concentration in the muscle and liver tissues of Whitecheek shark and Milk shark. The results show that heavy metals concentration change according to the type of metal, target organ, species and metabolism. In this study, the average ±SD of Cd and Pb concentrations in the livers of both sharksare higher than the minimum standards of EU and FAO/WHO Joint Commission respectively.
Type of Study: Research |
Subject:
Special
Received: 2014/01/27 | Accepted: 2014/01/27 | Published: 2014/01/27
Received: 2014/01/27 | Accepted: 2014/01/27 | Published: 2014/01/27
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