Content of mercury and cadmium in fish (Thunnus alalunga) and cephalopods ( Eledone moschata ) from the south-eastern Mediterranean Sea

Content of mercury and cadmium in fish (Thunnus alalunga) and cephalopods ( Eledone moschata ) from the south-eastern Mediterranean Sea
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地中海东南部鱼类 (Thunnus alalunga) 和头足类动物 (Eledone moschata) 中汞和镉的含量

DOI:
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发表时间:
2004
期刊:
Food Additives and Contaminants
影响因子:
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通讯作者:
G. O. Marcotrigiano *
G. O. Marcotrigiano *
中科院分区:
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文献类型:
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作者:
M. Storelli;G. O. Marcotrigiano *

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对长鳍金枪鱼 (Thunnus alalunga) 和角章鱼 (Eledone moschata) 的肉和肝脏(或肝胰腺)中的汞和镉浓度进行了测量,以确定浓度是否超过了欧盟委员会规定的最高水平。在这两个物种中,肝脏中汞和镉的平均浓度较高(长鳍金枪鱼:汞 = 2.41 μg g−1湿重,镉 = 9.22 μg g−1湿重;角章鱼:汞 = 0.76 μg g−1湿重,镉 = 6.72 μg g−1湿重)比肉中(长鳍金枪鱼:汞 = 1.56 μg g−1湿重,镉 = 0.05 μg g−1湿重;角章鱼:汞 = 0.36 μg g−1湿重,镉 = 0.33 μg g−1)。几乎所有长鳍金枪鱼样本(肉:71.4%;肝脏:85.7%)中都发现汞浓度超过规定的法定限值 1 μg g−1 湿重。对于角章鱼,仅在肝胰腺中观察到浓度高于 0.5μg g−1 湿重,而在肉中,所有检查样品中的浓度均低于此限值。在长鳍金枪鱼的肉样本中,42.8%超过了建议的供人类食用的镉容许量,而对于角章鱼来说,任何样本均未超过既定限度。
Mercury and cadmium concentrations were measured in the flesh and liver (or hepatopancreas) of albacore (Thunnus alalunga) and horned octopus (Eledone moschata) to establish whether the concentrations exceeded the maximum levels fixed by the European Commission. In both species, mercury and cadmium mean concentrations were higher in liver (albacore: mercury = 2.41 μg g−1 wet wt, cadmium = 9.22 μg g−1 wet wt; horned octopus: mercury = 0.76 μg g−1 wet wt, cadmium = 6.72 μg g−1 wet wt) than in flesh (albacore: mercury = 1.56 μg g−1 wet wt, cadmium = 0.05 μg g−1 wet wt; horned octopus: mercury = 0.36 μg g−1 wet wt, cadmium = 0.33 μg g−1). Mercury concentrations exceeding the prescribed legal limit of 1 μg g−1 wet wt were found in almost all albacore samples (flesh: 71.4%; liver: 85.7%). For horned octopus, concentrations above 0.5 μg g−1 wet wt were observed solely in hepatopancreas, while in flesh, the concentrations were below this limit in all the samples examined. Of the flesh samples of albacore, 42.8% exceeded the proposed tolerance for cadmium for human consumption, whilst for horned octopus, the established limit was not exceeded in any sample.
DOI: 10.1016/s0162-0134(00)00009-x
发表时间: 2000-04-01
影响因子: 3.9
作者:
Waalkes, MP
通讯作者: Waalkes, MP