Evidence mapping and scoping review of pathways for potential dietary exposure to per- and poly-fluoroalkyl substances (PFAS).

IF 3.9 3区 环境科学与生态学 Q1 CHEMISTRY, ANALYTICAL
Lisa Jo Melnyk, Chris Holder, Jeanne Luh, Kent Thomas, Elaine A Cohen Hubal
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引用次数: 0

Abstract

Concern for exposure to per- and poly-fluoroalkyl substances (PFAS) has been growing over the past couple of decades as more information is obtained and understood. PFAS are environmentally persistent and have found their way into the food chain. A better understanding of the impact to humans through the dietary route is imperative to address growing concerns and to mitigate these influences on the food supply. The goal of this study is to identify and map evidence in the peer reviewed literature of important pathways for dietary exposure to PFAS. A conceptual model of potential exposure pathways is described, evidence for these pathways from two previous systematic literature reviews is collated, and additional information on potential for PFAS transfer to food from targeted reviews is distilled. Evidence mapping confirms significant evidence for occurrence of legacy PFAS in foods and for association of dietary intake of certain foods with measured body burden for these chemicals. More limited information on sources of PFAS in agricultural inputs and food processing suggest important exposure pathways for consumers. There is also limited research reporting chemical transfers during food storage and preparation. Direct measurements for most PFAS in foods and for transfers from contaminated environmental media to foods remain limited. Addressing the most important gaps in the evidence for PFAS exposure through the dietary pathway will support actions to mitigate and prevent health impacts.

对单氟烷基和多氟烷基物质(PFAS)潜在膳食暴露途径的证据绘制和范围审查。
在过去几十年中,随着获得和了解更多的信息,对接触全氟烷基和多氟烷基物质(PFAS)的关注日益增加。PFAS对环境具有持久性,并已进入食物链。更好地了解通过饮食途径对人类的影响,对于解决日益增长的担忧和减轻这些对食物供应的影响至关重要。本研究的目的是在同行评审的文献中识别和绘制PFAS饮食暴露的重要途径的证据。描述了潜在暴露途径的概念模型,整理了之前两篇系统文献综述中关于这些途径的证据,并从目标综述中提取了关于PFAS转移到食物中的可能性的其他信息。证据制图证实了食品中遗留PFAS存在的重要证据,以及某些食物的膳食摄入量与测量到的这些化学物质的身体负担之间存在关联。关于农业投入物和食品加工中全氟辛酸来源的有限信息表明,消费者有重要的接触途径。关于食物储存和制备过程中化学物质转移的研究也很有限。对食品中大多数PFAS的直接测量以及从受污染的环境介质向食品转移的直接测量仍然有限。解决通过饮食途径接触全氟辛酸的证据中最重要的空白将支持减轻和预防健康影响的行动。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Environmental Science: Processes & Impacts
Environmental Science: Processes & Impacts CHEMISTRY, ANALYTICAL-ENVIRONMENTAL SCIENCES
CiteScore
9.50
自引率
3.60%
发文量
202
审稿时长
1 months
期刊介绍: Environmental Science: Processes & Impacts publishes high quality papers in all areas of the environmental chemical sciences, including chemistry of the air, water, soil and sediment. We welcome studies on the environmental fate and effects of anthropogenic and naturally occurring contaminants, both chemical and microbiological, as well as related natural element cycling processes.
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