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:: Volume 8, Issue 2 (7-2009) ::
IJFS 2009, 8 Back to browse issues page
Heavy metal concentrations in the selected tissues of the Persian sturgeon, Acipencer persicus, from the southern coast of the Caspian Sea
M. Sadeghirad * , G. Amini Ranjbar , H. Jooshideh , U. Arshad
, marjan_sedegi@yahoo.com.uk
Abstract:   (376 Views)
Bioaccumulation of heavy metals including Cd, Pb, Cu and Zn in muscle, gill, liver, kidney and stomach in Acipencer persicus was studied. Fish were collected from the ‘Iranian fishery zone 1’ located between Astara and Kiyahshahr. Samples (n=25) were collected from five stations in the study area during the autumn catch season in 2001. Samples were analyzed by wet digestion with hydrogen peroxide and nitric acid. Analyses were testified using spike method. A sample of bovine liver (CRM 185R) was tested to ascertain reliability of analyses. Digested samples were analyzed using Flame Atomic Absorption Spectrophotometer. The bioaccumulation pattern for Zn in different tissues studied was stomach>liver> kidney> gills>muscle tissue. The mean concentration of Zn in the stomach was 136.6±10.70mg g-1 dry weight. Cu with the maximum concentration of 39.71±8.85mg g-1 dry weight in liver showed a bioaccumulation pattern of liver>kidney>stomach>gills>muscle tissue. The bioaccumulation pattern for Pb was determined as gills>liver> kidney>stomach>muscle tissue. Maximum mean concentrations of Pb 6.87±2.25mg g-1 dry weight belonged to gills. Bioaccumulation pattern for Cd in the different organs studied in A. persicus was kidney>liver>gills>stomach> muscle tissue. Maximum mean concentration of 5.1±0.97mg g-1 dry weight belonged to kidneys and the minimum mean concentration of 0.05±0.007mg g-1 dry weight belonged to muscle tissue. Concentration of the metals in the muscles samples were below the most guidelines for human consumption.
Concentrations for heavy metals were lower than the guidelines in some organs and were higher than that in the other organs studied. The observed concentrations do not pose health problems as these organs are not used for human consumption.
Keywords: Acipencer persicus, Heavy metals, Muscle, Organ, Caspian Sea, Iran
Full-Text [PDF 2338 kb]   (94 Downloads)    
Type of Study: Orginal research papers | Subject: Ecology
Received: 2017/12/5 | Accepted: 2017/12/5 | Published: 2017/12/5
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Sadeghirad M, Amini Ranjbar G, Jooshideh H, Arshad U. Heavy metal concentrations in the selected tissues of the Persian sturgeon, Acipencer persicus, from the southern coast of the Caspian Sea. IJFS. 2009; 8 (2) :175-184
URL: http://jifro.ir/article-1-3074-en.html


Volume 8, Issue 2 (7-2009) Back to browse issues page
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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