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首页> 外文期刊>Archives of Environmental Contamination and Toxicology >Urinary Bromide Levels Probably Dependent to Intake of Foods Such As Sea Algae
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Urinary Bromide Levels Probably Dependent to Intake of Foods Such As Sea Algae

机译：尿溴化物的水平可能取决于海藻等食物的摄入量

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摘要

The purpose of the present study is to examine if the bromide (Br) level in urine (Br-U) varies substantially among adult general populations of either sex or of different dietary habits. For this purpose, morning spot urine samples (about 50 per group) were collected from six groups of people, i.e., one group each of men and women in a city in Japan (thus two groups in Japan) and one group each of women in two urban and two rural areas in central and northeast China (four groups in China). The samples were analyzed for Br by ECD-gas chromatography after derivatization to methyl bromide. Br-U essentially followed a normal distribution. Whereas there was only a marginal difference in Br-U between men (7.7 ± 2.5 mg/L as an arithmetic mean and arithmetic standard deviation) and women (8.1 ± 2.9 mg/L) in Japan, and no difference between the urban (2.3 ± 0.8 mg/L) and rural women (2.6 ± 1.1 mg/L) in China, the difference between Japanese (8.1 ± 2.9 mg/L) and Chinese women (2.3 ± 0.8 mg/L for two cities and 2.6 ± 1.1 mg/L for two villages) was substantial. A literature survey suggested variation in dietary habits, especially that in sea algae intake, is a possible factor affecting the observed difference in Br-U between the two ethnic groups. Contribution of Br in cereals after fumigation with, e.g., methyl bromide, was also thought to be possible. The implication of difference in background Br-U levels is discussed in relation to biological monitoring of exposure to Br-containing industrial chemicals, such as 1- and 2-bromopropane.
机译：本研究的目的是检查在性别或饮食习惯不同的成年人中，尿液中溴（Br）的水平是否存在显着差异。为此，从六组人中收集了晨点尿液样本（每组约50个），即在日本城市中男女各一组（在日本则为两组），在日本城市中一组女性。中国中部和东北部的两个城市地区和两个农村地区（中国为四个群体）。衍生为甲基溴后，通过ECD-气相色谱分析样品中的Br。 Br-U基本遵循正态分布。在日本，男性（算术平均值和算术标准偏差为7.7±2.5 mg / L）和女性（8.1±2.9 mg / L）之间的Br-U仅有很小的差异，而城市地区（2.3 ±0.8 mg / L）和中国农村妇女（2.6±1.1 mg / L），日本人（8.1±2.9 mg / L）和中国妇女（两个城市为2.3±0.8 mg / L和2.6±1.1 mg）之间的差异/ L（两个村庄）。一项文献调查表明，饮食习惯的变化，尤其是海藻摄入量的变化，可能是影响两个族裔之间观察到的Br-U差异的可能因素。人们还认为，在用例如甲基溴熏蒸后，Br在谷物中的贡献是可能的。关于对暴露于含溴的工业化学品（例如1-溴丙烷和2-溴丙烷）的生物学监测，讨论了背景Br-U水平差异的含义。

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    Z.-W. Zhang; T. Kawai; A. Takeuchi; Y. Miyama; K. Sakamoto; T. Watanabe; N. Matsuda-Inoguchi; S. Shimbo; K. Higashikawa; M. Ikeda;

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    Osaka Occupational Health Service Center Tosabori 2-3-8 Nishi-ku Osaka 550-0001 Japan;

    Osaka Occupational Health Service Center Tosabori 2-3-8 Nishi-ku Osaka 550-0001 Japan;

    Osaka Occupational Health Service Center Tosabori 2-3-8 Nishi-ku Osaka 550-0001 Japan;

    Osaka Occupational Health Service Center Tosabori 2-3-8 Nishi-ku Osaka 550-0001 Japan;

    Osaka Occupational Health Service Center Tosabori 2-3-8 Nishi-ku Osaka 550-0001 Japan;

    Miyagi University of Education Aramaki-Aoba Aoba-ku Sendai 980-0845 Japan;

    Miyagi University Gakuen 1 Taiwacho Miyagi 981-3298 Japan;

    Kyoto Women's University 35 Imagumano-Kitahiyoshicho Higashiyama-ku Kyoto 605-8501 Japan;

    Kyoto Industrial Health Association 67 Nishinokyo-Kitatsuboicho Nakagyo-ku Kyoto 604-8472 Japan;

    Kyoto Industrial Health Association 67 Nishinokyo-Kitatsuboicho Nakagyo-ku Kyoto 604-8472 Japan;

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