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首页> 美国卫生研究院文献>Health Promotion Perspectives >Levels of Some Heavy Metals in Raw Cows Milk from Selected Milk Production Sites in Iran: Is There any Health Concern?
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Levels of Some Heavy Metals in Raw Cows Milk from Selected Milk Production Sites in Iran: Is There any Health Concern?

机译：伊朗部分牛奶生产基地的原奶中某些重金属含量：是否存在健康问题？

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>Background: The aim of this study was to evaluate the content of mercury (Hg), arsenic (As), nickel (Ni) and tin (Sn) in raw cow’s milk of traditional and industrial sites from 8 different sites in Arak City, Markazi Province, Iran. >Methods: In this cross sectional study, a total of 32 samples were collected from sub-cities of Arak, Iran via subjective sampling method. Both industrial and traditional dairy farms were selected for sampling. Twenty-five gram of each sample was turned to ash in ovens for metal analyses including Hg, As, Ni and Sn by anatomic absorption spectrometer. >Results: The residue amounts of Hg and As were lower than permissible limit suggested by Codex Alimentarius, but for Ni and Sn it was higher only in one of the collection sites. The average concentra­tion of Hg was significantly higher (P<0.05) in traditional farms as compared to industrial farms. Be­sides, amounts of Sn was significantly high in the traditional farms (P<0.05). Further, a high contents Ni was detected in industrial farms (P<0.05). >Conclusion: High Sn and Ni contents of some milk samples from this region might be potentially hazardous to consumers. Further, none of the other metals tested crossed permissible levels.
机译：>背景：本研究的目的是评估8个传统和工业场所的原奶中汞（Hg），砷（As），镍（Ni）和锡（Sn）的含量伊朗Markazi省Arak市的不同地点。 >方法：在这项横断面研究中，通过主观抽样方法从伊朗阿拉克市收集了总共32个样本。工业和传统奶牛场均被选中进行采样。用解剖吸收光谱仪将25克每个样品在炉中灰化以进行金属分析，包括Hg，As，Ni和Sn。 >结果：汞和砷的残留量低于食品法典委员会建议的允许限值，但镍和锡的残留量仅在其中一个收集地点较高。与工业化养殖场相比，传统养殖场中汞的平均浓度显着更高（P <0.05）。此外，传统农场的锡含量显着较高（P <0.05）。此外，在工业农场中检测到高含量的Ni（P <0.05）。 >结论：该地区一些牛奶样品中的高锡和镍含量可能对消费者构成潜在危害。此外，测试的其他金属均未超过允许的水平。

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