Pilot study on the concentrations of organochlorine compounds and potentially toxic elements in pregnant women and local food items from the Finnish Lapland
Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved..
In the Arctic, main sources of persistent organic pollutants and potentially toxic elements are industry and agriculture in the lower latitudes. However, there are also local sources of pollution. Our study was focused on possible pollution in the Finnish Lapland, transferred from the Pechenganikel industrial complex located in the borders of Russia, Finland and Norway. Local food items and blood samples of pregnant women from the Inari municipality were collected and organochlorine compounds (OCs) and metal(oid)s analyzed. Most of the examined food samples showed detectable levels of these compounds. The mean concentrations of DDTs and polychlorobiphenyls (PCBs) were higher in fish (0.18-0.32 ng/g and 0.34-0.64 ng/g, respectively), than in the other food groups (0.027-0.047 ng/g and 0.11-0.20 ng/g, respectively). PCBs were found at the highest concentrations in blood samples of the pregnant women, and congeners 153 and 118 were dominant. The mean concentration of PCB153, 0.29 μg/kg serum lipid, was lower than those described in many other studies. Concerning DDTs, the 4,4'-DDT/4,4'-DDE ratio, 0.092, in the blood samples was lower than that observed in the food items, 0.25-0.71, reflecting old uses of the DDT pesticide. None of the observed levels of selected potentially toxic elements in blood samples and in food items exceeded the known safe limits. Higher concentrations of PCB52 and γ-HCH were observed in the serum of pregnant women who consumed greater amounts of meat, and berries and mushrooms, respectively. The OC concentrations from the pregnant women currently studied were lower than those observed fourteen years ago with pregnant women from the same municipality. Compounds whose occurrence is likely related to a long-distance transport showed clear decreases, e.g., 63% for PCBs, and for those from pesticides, decreases were 93% and 97% for 4,4'-DDE and β-HCH, respectively. No obvious influence from the Pechenganikel complex is observed from the results.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:211 |
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| Enthalten in: |
Environmental research - 211(2022) vom: 01. Aug., Seite 113122 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Abass, Khaled [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 09.06.2022 Date Revised 21.07.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.envres.2022.113122 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM338446001 |
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| 245 | 1 | 0 | |a Pilot study on the concentrations of organochlorine compounds and potentially toxic elements in pregnant women and local food items from the Finnish Lapland |
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| 500 | |a Date Revised 21.07.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a In the Arctic, main sources of persistent organic pollutants and potentially toxic elements are industry and agriculture in the lower latitudes. However, there are also local sources of pollution. Our study was focused on possible pollution in the Finnish Lapland, transferred from the Pechenganikel industrial complex located in the borders of Russia, Finland and Norway. Local food items and blood samples of pregnant women from the Inari municipality were collected and organochlorine compounds (OCs) and metal(oid)s analyzed. Most of the examined food samples showed detectable levels of these compounds. The mean concentrations of DDTs and polychlorobiphenyls (PCBs) were higher in fish (0.18-0.32 ng/g and 0.34-0.64 ng/g, respectively), than in the other food groups (0.027-0.047 ng/g and 0.11-0.20 ng/g, respectively). PCBs were found at the highest concentrations in blood samples of the pregnant women, and congeners 153 and 118 were dominant. The mean concentration of PCB153, 0.29 μg/kg serum lipid, was lower than those described in many other studies. Concerning DDTs, the 4,4'-DDT/4,4'-DDE ratio, 0.092, in the blood samples was lower than that observed in the food items, 0.25-0.71, reflecting old uses of the DDT pesticide. None of the observed levels of selected potentially toxic elements in blood samples and in food items exceeded the known safe limits. Higher concentrations of PCB52 and γ-HCH were observed in the serum of pregnant women who consumed greater amounts of meat, and berries and mushrooms, respectively. The OC concentrations from the pregnant women currently studied were lower than those observed fourteen years ago with pregnant women from the same municipality. Compounds whose occurrence is likely related to a long-distance transport showed clear decreases, e.g., 63% for PCBs, and for those from pesticides, decreases were 93% and 97% for 4,4'-DDE and β-HCH, respectively. No obvious influence from the Pechenganikel complex is observed from the results | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Arctic areas | |
| 650 | 4 | |a Maternal exposure | |
| 650 | 4 | |a Organochlorine compounds | |
| 650 | 4 | |a Organochlorine pesticides | |
| 650 | 4 | |a Polychlorobiphenyls | |
| 650 | 4 | |a Potentially toxic elements | |
| 650 | 7 | |a Hydrocarbons, Chlorinated |2 NLM | |
| 650 | 7 | |a Pesticides |2 NLM | |
| 650 | 7 | |a Dichlorodiphenyl Dichloroethylene |2 NLM | |
| 650 | 7 | |a 4M7FS82U08 |2 NLM | |
| 650 | 7 | |a Polychlorinated Biphenyls |2 NLM | |
| 650 | 7 | |a DFC2HB4I0K |2 NLM | |
| 700 | 1 | |a Unguryanu, Tatiana |e verfasserin |4 aut | |
| 700 | 1 | |a Junqué, Eva |e verfasserin |4 aut | |
| 700 | 1 | |a Mazej, Darja |e verfasserin |4 aut | |
| 700 | 1 | |a Tratnik, Janja Snoj |e verfasserin |4 aut | |
| 700 | 1 | |a Horvat, Milena |e verfasserin |4 aut | |
| 700 | 1 | |a Grimalt, Joan O |e verfasserin |4 aut | |
| 700 | 1 | |a Myllynen, Päivi |e verfasserin |4 aut | |
| 700 | 1 | |a Rautio, Arja |e verfasserin |4 aut | |
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