Fish consumption habits of pregnant women in Itaituba, Tapajós River basin, Brazil: risks of mercury contamination as assessed by measuring total mercury in highly consumed piscivore fish species and in hair of pregnant women
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Jean-Paul Bourdineaud
University of Bordeaux, CNRS, UMR 5234, European Institute of Chemistry and BiologyPessac, France
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07. Juli 2022
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Artikel-Kategorie: Original article
Online veröffentlicht: 07. Juli 2022
Seitenbereich: 131 - 142
Eingereicht: 01. Nov. 2021
Akzeptiert: 01. Mai 2022
DOI: https://doi.org/10.2478/aiht-2022-73-3611
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© 2022 Ricardo Bezerra de Oliveira, Domingas Machado da Silva, Thamilles Santa Bárbara Sousa Franco, Cláudio Ramon Sena Vasconcelos, Deise Juliane dos Anjos de Sousa, Sandra Layse Ferreira Sarrazin, Mineshi Sakamoto, and Jean-Paul Bourdineaud, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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Hair THg levels in participating pregnant women from Itaituba and distribution of increased health risks from Hg exposure by fish consumption
| Fish consumption (g/week) | Hair THg (mg/kg, mean ± SD) | Risk rate based on US EPA RfD a | Risk rate based on LOAEHC b |
|---|---|---|---|
| 0–100 (n=37) | 1.1±0.9 | 0.7 (33 %) | 2.3 (83 %) |
| 101–200 (n=25) | 1.7±1.3 | 1.7 (58 %) | 5.7 (87 %) |
| 201–400 (n=24) | 1.6±1.3 | 1.1 (54 %) | 3.8 (100 %) |
| > 400 (n=22) | 1.2 (57 %) | 3.9 (100 %) |
Total mercury concentrations (mg/kg) in Cichla spp_ (tucunaré) and P_ squamosissimus (pescada) fish caught in the Tapajós River basin, Brazil
| Dry season (July – December 2018) | Rainy season (January – June 2019) | |||
|---|---|---|---|---|
| Mean ± SD | 0.62±0.35 | 0.73±0.37 | 0.54±0.37 | |
| Min–max | 0.17–1.68 | 0.05–1.37 | 0.12–0.94 | 0.25–1.65 |
| Median | 0.59 | 0.83 | 0.29 | 0.89 |
| 25th quartile | 0.39 | 0.55 | 0.24 | 0.55 |
| 75th quartile | 0.75 | 0.92 | 0.54 | 1.12 |
Relationship between socio-demographic characteristics of participating pregnant women from Itaituba and hair THg concentrations (mg/kg)
| n | % | Hair THg (mean ± SD) | ||
|---|---|---|---|---|
| 18–20 | 40 | 36.4 | 2.3±3.5 | |
| 21–30 | 57 | 51.8 | 1.6±1.4 | |
| 31–40 | 13 | 11.8 | 1.5±2.3 | |
| Elementary school | 54 | 49.2 | 2.1±2.3 | |
| High school | 38 | 34.5 | 1.7±2.1 | |
| Academic education | 18 | 16.3 | 1.5±2.3 | |
| Married or living as married | 85 | 77.2 | 1.5±1.7 | |
| Single | 25 | 22.8 | 2.5±4.3 | |
| White | 2 | 1.8 | 0.6±0.01 | |
| Black | 7 | 6.3 | 3.9±6.3 | |
| Mixed race | 101 | 91.9 | 1.7±1.9 | |
| Housewife | 90 | 81.9 | 1.8±2.0 | |
| Student | 7 | 6.3 | 3.6±6.4 | |
| Other occupation | 13 | 11.8 | 1.3±1.5 |
Biometric parameters in two predator fish species from the Tapajós River basin, Amazon, Brazil
| Biometric parameters | Dry season | Rainy season | |||
|---|---|---|---|---|---|
| Mean ± SD | Min–Max | Mean ± SD | Min–Max | ||
| Weight (g) | 224±40 | 150–315 | 207±32 | 149–261 | |
| Total length (cm) | 27.2±0.5 | 25.0–30.5 | 27.1±1.2 | 25.4–29.7 | |
| Standard length (cm) | 22.4±1.4 | 20.1–24.8 | 22.4±1.2 | 20.7–25.4 | |
| Weight (g) | 344±129 | 195–792 | 271±69 | 194–406 | |
| Total length (cm) | 29.4±3.1 | 25.0–38.5 | 27.8±2.0 | 25.5–32.1 | |
| Standard length (cm) | 24.5±2.8 | 20.7–32 | 23.2±1.7 | 21.0–27.3 | |
Relationship between body mass index (BMI) of participating pregnant women from Itaituba and hair THg concentration (mg/kg)
| BMI | Weight status | n | Hair THg (mean ± SD) |
|---|---|---|---|
| 18.5–24.9 | normal | 33 | 1.9±2.8 |
| 25.0–29.9 | overweight | 49 | 1.8±2.7 |
| 30.0–39.9 | obese | 24 | 1.8±1.4 |
| ≥40.0 | severe obesity | 4 | 1.4±0.6 |
Fish species consumed by pregnant women (n=110) from Itaituba, Brazil
| Fish local name (species) | Participants reporting eating listed fish (N) | % | Fish description by diet |
|---|---|---|---|
| Tambaqui ( |
90 | 82 | Frugivore |
| 74 | 67 | Piscivore | |
| Pacú ( |
60 | 54 | Frugivore |
| 49 | 44 | Piscivore | |
| Aracú ( |
41 | 37 | Omnivore |
| Caratinga ( |
40 | 36 | Omnivore |
| Surubim ( |
37 | 33 | Piscivore |
| Charutinho ( |
33 | 30 | Omnivore |
| Dourada ( |
33 | 30 | Carnivore |
| Filhote ( |
33 | 30 | Carnivore |
| Pirarucu ( |
30 | 27 | Piscivore |
| Curimatá ( |
28 | 25 | Detritivore |
| Acari ( |
22 | 20 | Detritivore |
| Matrinxã ( |
22 | 20 | Omnivore |
| Aruanã ( |
21 | 19 | Carnivore |
| Pirarara ( |
21 | 19 | Omnivore |
| Apapá ( |
18 | 16 | Carnivore |
| Piau ( |
16 | 14 | Detritivore |
| Pirapitinga ( |
16 | 14 | Frugivore |
| Jaraqui ( |
2 | 2 | Detritivore |
| Mapará ( |
2 | 2 | Planktivore |
Relationship between blood pressure in participating pregnant women from Itaituba and hair THg concentration (μg/g)
| Blood pressure (mmHg, mean ± SD)a | n | Fish intake (g/week) | Hair THg (mg/kg, mean ± SD) | |
|---|---|---|---|---|
| Systolic | Diastolic | |||
| 101±7 | 65±6 | 40 | 0–100 | 1.1±0.9 |
| 103±8 | 68±8 | 26 | 101–200 | 1.7±1.3 |
| 101±10 | 67±5 | 23 | 201–400 | 1.6±1.3 |
| 103±12 | 69±10 | 21 | 401–800 | 2.43±2.2 |