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Arsenic in edible macroalgae: an integrated approach.
Journal of Toxicology and Environmental Health, Part B: Critical Reviews ( IF 7.2 ) Pub Date : 2019-10-02 , DOI: 10.1080/10937404.2019.1672364
Julieta R Camurati 1 , Vanesa N Salomone 1, 2
Affiliation  

Arsenic is a metalloid naturally present in marine environments. Various toxic elements including arsenic (As) are bioaccumulated by macroalgae. This metalloid is subsequently incorporated as arsenate into the organism due to similarity to phosphate. In recent decades, the use of macroalgae in food has increased as a result of their numerous benefits; however, As consumption may exert potential consequences for human health. The objective of this review was to discuss the articles published up to 2019 on As in seaweed, including key topics such as speciation, toxicity of the most common species in marine macroalgae, and their effects on human health. Further, this review will emphasize the extraction methods and analysis techniques most frequently used in seaweed and the need to develop certified reference materials (CRMs) in order to support the validation of analytical methodologies for As speciation in macroalgae. Finally, this review will discuss current legislation in relation to the risk associated with consumption. The number of articles found and the different approaches, biological, analytical and toxicological, show the growing interest there has been in this field in the last few years. In addition, this review reveals aspects of As chemistry that need further study, such as transformation of organic metalloid species during digestion and cooking, which necessitates analytical improvement and toxicological experiments. Taken together our findings may contribute to revision of current legislation on As content in edible seaweed relating to human health in a growing market.

中文翻译:

食用大型藻类中的砷:一种综合方法。

砷是海洋环境中天然存在的准金属。大型藻类会生物累积包括砷在内的各种有毒元素。由于与磷酸盐的相似性,该准金属随后以砷酸盐的形式掺入生物中。近几十年来,由于其大量益处,人们在食品中使用大型藻类的情况有所增加。然而,由于消费可能对人类健康产生潜在的后果。这篇评论的目的是讨论直到2019年发表的有关海藻中砷的文章,包括关键主题,例如物种,海洋大型藻类中最常见物种的毒性及其对人类健康的影响。进一步,本文将重点介绍海藻中最常用的提取方法和分析技术,以及开发认证参考物质(CRM)的必要性,以支持对大型藻类中砷形态分析方法的验证。最后,本文将讨论与消费相关的风险的现行法规。发现的文章数量以及生物学,分析和毒理学等不同方法表明,最近几年对该领域的兴趣日益浓厚。此外,本综述还揭示了砷化学需要进一步研究的方面,例如在消化和蒸煮过程中有机准金属物种的转化,这需要进行分析改进和毒理学实验。
更新日期:2019-10-25
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