[鱼类和贝类每日汞、多氯联苯和砷的摄入量及按体重计算的鱼类体内残留水平的比较调查]。

A Ikarashi, K Sasaki, M Toyoda, Y Saito
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引用次数: 0

摘要

自1979年以来,我们一直与日本当地公共机构合作,调查食品和食品中的有毒物质,并开展各种物质摄入量的总饮食研究。本文报道了鱼类每天从食物中摄取汞、多氯联苯和砷的情况,以及这些物质在鱼类体内的浓度与鱼类体重的关系。汞和砷的摄入量分别为6.9 ~ 11.0微克/人/天和120 ~ 230微克/人/天。从1979年到1994年,这些物质的摄入量保持在一个稳定的水平。另一方面,多氯联苯的摄入量从1979年的3.1微克/人/天下降到1994年的0.9微克/人/天。汞、多氯联苯和砷的摄入量大部分来自“鱼和贝类”饮食组。鱼类体内的汞含量随着体重的增加而增加。对于多氯联苯和砷,除了鲭鱼和黄花鱼在小的时候多氯联苯浓度较高外,鱼体内的多氯联苯和砷浓度与鱼的体重之间没有相关性。无论体重如何,每条鱼体内的砷含量几乎都是恒定的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
[Annual daily intakes of Hg, PCB and arsenic from fish and shellfish and comparative survey of their residue levels in fish by body weight].

We have been surveying toxic substances in food and foodstuffs and carrying out a total diet study on the intakes of various substances since 1979 in cooperation with local public institutes in Japan. In this paper, we report the daily intakes of mercury, PCB and arsenic from foods, and the relation between the concentrations of these substance in fish and the fish body weight. The intakes of mercury and arsenic were 6.9-11.0 micrograms/ man/day and 120-230 micrograms/man/day, respectively. The intakes of these substances remained on a stable level from 1979 to 1994. On the other hand, the intake of PCB decreased from 3.1 micrograms/man/day in 1979 to 0.9 microgram/man/day in 1994. Most of the intakes of mercury, PCB and arsenic were derived from the diet group "fish and shellfish". The level of mercury in fish increased with increasing fish body weight. For PCB and arsenic, there was no correlation between these concentrations in fish and the fish body weight, except that mackerel and croaker show a higher concentration of PCB when they are small. Arsenic shows almost a constant level in each fish regardless of their body weight.

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