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Environ Health Perspect. 2010 Apr;118(4):445-8. doi: 10.1289/ehp.0901253.

Polyethylene terephthalate may yield endocrine disruptors.

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  • 1Montgomery Center for Research in Child and Adolescent Development, Exton, Pennsylvania 19341, USA. MCRCAD@verizon.net

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.

Comment in

PMID:
20368129
PMCID:
PMC2854718
DOI:
10.1289/ehp.0901253
[PubMed - indexed for MEDLINE]
Free PMC Article
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