Article ; Online: Evaluation of chemicals leached from PET and recycled PET containers into beverages.
Reviews on environmental health
2022
Abstract: The use of recycled polyethylene terephthalate (rPET) containers, a recent shift in the beverage industry, poses new potential human health concerns including contamination from the original container; use of additives, detergents, and catalysts during ... ...
| Abstract | The use of recycled polyethylene terephthalate (rPET) containers, a recent shift in the beverage industry, poses new potential human health concerns including contamination from the original container; use of additives, detergents, and catalysts during recycling; and improper recycling practices. The purpose of this analysis was to evaluate available data regarding: (1) chemicals leached from PET and rPET in bottle form; (2) concentration of these chemicals; and (3) trends between rPET percent and concentration of chemicals leached. This analysis identified 211 scientific articles related to recycled plastic and leachables. Three articles met the inclusion criteria: (1) plastic was in bottle form; (2) plastic was made of PET or rPET; and (3) the study analyzed both PET and rPET using the same methods. This evaluation demonstrated that only nine compounds - benzene, styrene, acetaldehyde, 2-methyl-1,3-dioxolane, furan, bisphenol A (BPA), 2-buta-none, acetone, and limonene - have been studied. Notably, the leachable concentration of benzene, styrene, and BPA increased as the percent of recycled content increased from 0 to 100%. However, 2-methyl-1,3-dioxolane and furan implied a reverse trend, where the leachable concentration decreased as the percent of recycled content increased from 0 to 100%. The concentrations of 2-butanone, acetone, and limonene did not follow any suggested trend. Evidently, recycling PET can lead to changes in the leachables profile. This analysis further identified key areas of research, including testing a variety of liquid types, that need to be addressed to adequately conduct a human health risk assessment. |
|---|---|
| Language | English |
| Publishing date | 2022-12-15 |
| Publishing country | Germany |
| Document type | Journal Article ; Review |
| ZDB-ID | 184450-7 |
| ISSN | 2191-0308 ; 0048-7562 ; 0048-7554 |
| ISSN (online) | 2191-0308 |
| ISSN | 0048-7562 ; 0048-7554 |
| DOI | 10.1515/reveh-2022-0183 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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