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A survey of parabens in aquatic environments in Hanoi, Vietnam and its implications for human exposure and ecological risk

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Abstract

Seven parabens including methylparaben (MeP), ethylparaben (EtP), propylparaben (PrP), iso-propylparaben (iPrP), butylparaben (BuP), benzylparaben (BzP), and heptylparaben (HepP) were determined in bottled water, tap water, river water, lake water, and wastewater samples collected from Hanoi, Vietnam, using solid phase extraction (SPE) followed by ultrahigh performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The highest total concentration of parabens were measured in wastewater (range, 27.3–1050 ng/L; mean/median, 268/175 ng/L), followed by lake water (range, 18.0–254 ng/L; mean/median, 51.7/58.5 ng/L), river water (range, 16.5–52.1 ng/L; mean/median, 32.1/42.6 ng/L), tap water (range, 5.01–54.3 ng/L; mean/median, 28.6/41.1 ng/L), and bottled water (range, 1.56–39.9 ng/L; mean/median, 6.92/9.19 ng/L). Methylparaben and propylparaben were the predominant compounds found in all samples. The mean estimated human exposure dose of parabens through drinking bottled water was 0.27 ng/kg-bw/day, which is 6 orders of magnitude below the safety threshold recommended by the Joint FAO/WHO Expert Committee on Food Additive in 1974 (10 mg/kg-bw/day). Concentrations of parabens measured in river water, lake water, and wastewater samples were assessed to pose low to moderate ecological risks to aquatic organisms (0.1 < RQ < 1). Methyl, ethyl, and propyl parabens exhibited significant correlations in water samples.

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Thuy Minh Le: Conceptualization, data curation, formal analysis, funding acquisition, writing—original draft. Phuong Thi Pham: Investigation, methodology, formal analysis. Truong Quang Nguyen: Methodology, formal analysis. Trung Quang Nguyen: Formal analysis. Minh Quang Bui: Formal analysis. Hoa Quynh Nguyen: Formal analysis. Nam Duc Vu: Writing—review and editing. Kurunthachalam Kannan: Supervision, writing—review and editing. Tri Manh Tran: Supervision, conceptualization, resources, methodology, writing—review and editing.

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Correspondence to Tri Manh Tran.

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Le, T.M., Pham, P.T., Nguyen, T.Q. et al. A survey of parabens in aquatic environments in Hanoi, Vietnam and its implications for human exposure and ecological risk. Environ Sci Pollut Res 29, 46767–46777 (2022). https://doi.org/10.1007/s11356-022-19254-3

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  • DOI: https://doi.org/10.1007/s11356-022-19254-3

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