聚对苯二甲酸乙二醇酯可能会产生内分泌干扰物。
Polyethylene terephthalate may yield endocrine disruptors.
机构信息
Montgomery Center for Research in Child and Adolescent Development, Exton, Pennsylvania 19341, USA.
出版信息
Environ Health Perspect. 2010 Apr;118(4):445-8. doi: 10.1289/ehp.0901253.
Abstract
BACKGROUND
Recent reports suggest that endocrine disruptors may leach into the contents of bottles made from polyethylene terephthalate (PET). PET is the main ingredient in most clear plastic containers used for beverages and condiments worldwide and has previously been generally assumed not to be a source of endocrine disruptors.
OBJECTIVE
I begin by considering evidence that bottles made from PET may leach various phthalates that have been putatively identified as endocrine disruptors. I also consider evidence that leaching of antimony from PET containers may lead to endocrine-disrupting effects.
DISCUSSION
The contents of the PET bottle, and the temperature at which it is stored, both appear to influence the rate and magnitude of leaching. Endocrine disruptors other than phthalates, specifically antimony, may also contribute to the endocrine-disrupting effect of water from PET containers.
CONCLUSIONS
More research is needed in order to clarify the mechanisms whereby beverages and condiments in PET containers may be contaminated by endocrine-disrupting chemicals.
摘要
背景
最近的报告表明，内分泌干扰物可能会从聚对苯二甲酸乙二醇酯 (PET) 制成的瓶子中渗出。PET 是全球用于饮料和调味品的大多数透明塑料容器的主要成分，此前通常被认为不是内分泌干扰物的来源。
目的
首先考虑证据表明，PET 制成的瓶子可能会渗出各种邻苯二甲酸酯，这些邻苯二甲酸酯已被推测为内分泌干扰物。我还考虑了从 PET 容器中渗出的锑可能会导致内分泌干扰的证据。
讨论
PET 瓶的内容物以及储存温度似乎都影响渗出的速度和程度。除邻苯二甲酸酯外，还有其他内分泌干扰物，特别是锑，也可能导致来自 PET 容器的水的内分泌干扰效应。
结论
需要进一步研究，以阐明 PET 容器中的饮料和调味品可能被内分泌干扰化学物质污染的机制。
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