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Human Consumption of Microplastics

机译：人类消费微塑料

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摘要

Microplastics are ubiquitous across ecosystems, yet the exposure risk to humans is unresolved. Focusing on the American diet, we evaluated the number of microplastic particles in commonly consumed foods in relation to their recommended daily intake. The potential for microplastic inhalation and how the source of drinking water may affect microplastic consumption were also explored. Our analysis used 402 data points from 26 studies, which represents over 3600 processed samples. Evaluating approximately 15% of Americans' caloric intake, we estimate that annual microplastics consumption ranges from 39000 to 52000 particles depending on age and sex. These estimates increase to 74000 and 121000 when inhalation is considered. Additionally, individuals who meet their recommended water intake through only bottled sources may be ingesting an additional 90000 microplastics annually, compared to 4000 microplastics for those who consume only tap water. These estimates are subject to large amounts of variation; however, given methodological and data limitations, these values are likely underestimates.
机译：微薄塑料遍布生态系统，但人类的暴露风险尚未解决。专注于美国饮食，我们评估了与其推荐的每日摄入相关的常用食物中的微塑性颗粒数量。还探讨了微塑性吸入的可能性以及饮用水源的源也会影响微塑性消耗。我们的分析使用了来自26项研究的402个数据点，其代表超过3600种加工样本。评估大约15％的美国人的热量摄入量，我们估计，根据年龄和性别，年度微塑料消耗从39000到52000颗粒的范围。当考虑吸入时，这些估计增加到74000和121000。此外，通过仅瓶装源达到推荐水的个体每年可以每年摄取额外的90000微型塑料，而4000微薄的塑料，用于仅用于自来水的人。这些估计受到大量变化的影响;然而，给定的方法和数据限制，这些值可能低估。

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  • 来源
    《Environmental Science & Technology》 |2019年第12期|7068-7074|共7页
  • 作者

    Cox Kieran D.; Covernton Garth A.; Davies Hailey L.; Dower John F.; Juanes Francis; Dudas Sarah E.;

  • 作者单位

    Univ Victoria Dept Biol Victoria BC V8P 5C2 Canada|Hakai Inst Calvert Isl BC V0P 1H0 Canada;

    Univ Victoria Dept Biol Victoria BC V8P 5C2 Canada;

    Univ Victoria Dept Biol Victoria BC V8P 5C2 Canada;

    Univ Victoria Dept Biol Victoria BC V8P 5C2 Canada;

    Univ Victoria Dept Biol Victoria BC V8P 5C2 Canada;

    Univ Victoria Dept Biol Victoria BC V8P 5C2 Canada|Hakai Inst Calvert Isl BC V0P 1H0 Canada|Fisheries & Oceans Canada Pacific Biol Stn Nanaimo BC V6T 6N7 Canada;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 正文语种 eng
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