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Food Addit Contam Part B Surveill. 2014;7(2):110-4. doi: 10.1080/19393210.2013.856036. Epub 2014 Jan 3.

Total mercury in canned tuna sold in Canada in 2006.

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a Food Research Division , Bureau of Chemical Safety, Food Directorate, Health Products and Food Branch, Health Canada , Ottawa , ON , Canada K1A 0L2.


Total mercury was measured in 156 composites prepared from 936 samples of canned tuna sold in Canada in 2006. Each composite comprised a single brand. Yellowfin tuna contained the lowest concentrations, averaging 0.066 mg/kg. Skipjack tuna contained slightly higher concentrations, averaging 0.132 mg/kg. The highest average concentration was found in the Albacore tuna: mean 0.325 mg/kg, range 0.174-0.507 mg/kg. The second highest concentration among the 49 albacore composites was 0.469 mg/kg. There were 72 composites for which the type of tuna was not specified. The mercury in these averaged 0.095 mg/kg and ranged from 0.016 to 0.237 mg/kg.


canned tuna; mercury; survey levels

[Indexed for MEDLINE]

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