Cited by 10Microplastics and Plastic PollutionWater Treatment and DisinfectionEnvironmental and Analytical Chemistry Studies

Current Status of Organic Matters in Bottled Drinking Water in Korea

Park, Inbo, Yang, Wonseok, Lim, Dong-Kwon·2022·ACS ES&T Water

Abstract

Microplastics may be ubiquitous across ecosystems, yet the current state of exposure to microplastics in daily life remains poorly understood. We focused on drinking water in plastic bottles purchased from a local market in South Korea. The composition, amount, and size of organic matter in solid residues obtained by freeze-drying drinking water in a plastic bottle were determined using analytical methods including dry ashing, centrifugation, Raman analysis, and electron microscopy. A significant amount of organic matter was found in the plastic bottles (0.25–2.0 mg/L), and once the organic matter was concentrated and dried as a solid, it was not soluble in water. In addition, a series of stress to the plastic bottle, such as light, heat, and mechanical stress, did not significantly increase the organic matter within a month. The potential adverse effects of organic matter on humans were evaluated using the human intestinal Caco-2 cell line. The results showed no significant toxicity in cell viability even at relatively high concentrations of organic matter (1.0 mg/mL). However, the monitoring of the accumulation of organic matter in the human body over a longer period of time will be needed because of the higher probability of nanoscale material uptake in the long term.

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Crossref · 10.1021/acsestwater.1c00435

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  • Information is demanded to address the intrinsic heterogeneity of nanoplastics contamination at a single-particle level.

    “Information is demanded to address the intrinsic heterogeneity of nanoplastics contamination at a single-particle level (SI Appendix, Fig. S18a) (63, 64).”

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Authors
Park, I., Yang, W., & Lim, D.-K.
Affiliations
Korea University (KR)
Corresponding author
Lim, Dong-Kwon
Venue
ACS ES&T Water
Published
2022-04-26
Volume
2
Issue
5
Pages
738-748
ISSN
2690-0637 (ISSN-L)
OpenAlex
W4281253381
Cited by
10
References
36
Citations by year
2025: 4 · 2024: 3 · 2023: 3
FWCI
0.59
Type
journal article
Language
en
Open access
closed
Locations
ACS ES&T Water (publishedVersion)
Funders
  • National Research Foundation of Korea (2017M3D1A1039421)
  • Korea University
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Water Treatment and Disinfection
  • Physical Sciences › Environmental Science › Water Science and Technology › Environmental and Analytical Chemistry Studies
Keywords
bottled water, plastic bottles, organic matter, microplastics, human exposure, plastic degradation, South Korea

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