Evaluate of heavy metal concentration in shrimp (Penaeus semisulcatus) and crab (Portunus pelagicus) with INAA method

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Table 3 Comparison of mean concentrations of trace metals reported for shrimp (Penaeus semisulcatus) and crab (Portunus pelagicus) in the worldwide

Location	Tissue	Mn	Fe	Zn	As	Co	Reference
Crab
Persian Gulf, Iran	Whole body	1.91	62.87	66.64	21.38	0.15	Present study
Persian Gulf, Kuwait	Muscle	0.95	-	206.0	0.31	-	Al-Mohanna and Subrahmanyam 2001
Mersin bay, Turkey	Muscle	-	18.93	104.82	-	-	Ayas and Özoğul 2011
Persian Gulf, Saudi Arabia*	Whole body	-	-	165.73	-	4.66	Sadiq et al. 1982
Shrimp
Persian Gulf, Iran	Whole body	25.43	288.0	68.73	8.28	0.40	Present study
Iskenderun bay, Turkey ¹	Muscle	-	18.69	27.75	-	-	Firat et al. 2008
Persian Gulf, Iran*	Muscle	-	-	41.76	-	-	Pourang et al. 2005
Persian Gulf, Saudi Arabia*	Whole body	-	-	148.89	-	4.56	Sadiq et al. 1982

Values are expressed in ppm per dry weight either of edible tissue or whole body.
1 Mean of males and females.
2 Mean of four stations.
* The values calculated based on dry matter content of these species from the metal concentration per wet weight of shrimp and crab.