a Food Research Division , Bureau of Chemical Safety, Food Directorate, Health Products and Food Branch, Health Canada , Ottawa , ON , Canada K1A 0L2.
Food Addit Contam Part B Surveill. 2014;7(2):110-4. doi: 10.1080/19393210.2013.856036. Epub 2014 Jan 3.
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.
2006 年，对在加拿大销售的 936 份罐装金枪鱼样本进行了 156 次复合材料分析，检测了总汞含量。每个复合材料只包含一个单一品牌。黄鳍金枪鱼的浓度最低，平均为 0.066 毫克/千克。鲣鱼的浓度略高，平均为 0.132 毫克/千克。在长鳍金枪鱼中发现了最高的平均浓度：平均值为 0.325 毫克/千克，范围为 0.174-0.507 毫克/千克。在 49 份长鳍金枪鱼复合材料中，第二高的浓度为 0.469 毫克/千克。有 72 份复合材料未注明金枪鱼的种类。这些样本的汞含量平均值为 0.095 毫克/千克，范围为 0.016 至 0.237 毫克/千克。
