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Circulating levels of environmental contaminants are associated with dietary patterns in older adults
Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism, Uppsala University, Uppsala, Sweden.
Department of Medical Sciences, Occupational and Environmental Medicine, Uppsala University, Uppsala, Sweden.
Department of Medical Sciences, Cardiovascular Epidemiology, Uppsala University, Uppsala, Sweden.
Department of Medical Sciences, Cardiovascular Epidemiology, Uppsala University, Uppsala, Sweden.ORCID iD: 0000-0001-5752-4196
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2015 (English)In: Environment International, ISSN 0160-4120, E-ISSN 1873-6750, Vol. 75, 93-102 p.Article in journal (Refereed) Published
Abstract [en]

Background: Food intake contributes substantially to our exposure to environmental contaminants. Still, little is known about our dietary habits' contribution to exposure variability.

Objective: The aim of this study was to assess circulating levels of environmental contaminants in relation to predefined dietary patterns in an elderly Swedish population.

Methods: Dietary data and serum concentrations of environmental contaminants were obtained from 844 70-year-old Swedish subjects (50% women) in the Prospective Investigation of the Vasculature in Uppsala Seniors (PIVUS) study. Dietary data from 7-day food records was used to assess adherence to a Mediterranean-like diet, a low carbohydrate-high protein diet and the WHO dietary recommendations. Circulating levels of 6 polychlorinated biphenyl markers, 3 organochlorine pesticides, 1 dioxin and 1 polybrominated diphenyl ether, the metals cadmium, lead, mercury and aluminum and serum levels of bisphenol A and 4 phthalate metabolites were investigated in relation to dietary patterns in multivariate linear regression models.

Results: A Mediterranean-like diet was positively associated with levels of several polychlorinated biphenyls (118, 126, 153, and 209), trans-nonachlor and mercury. A low carbohydrate-high protein diet was positively associated with polychlorinated biphenyls 118 and 153, trans-nonachlor, hexachlorobenzene and p, p'-dichlorodiphenyldichloroethylene, mercury and lead. The WHO recommended diet was negatively related to levels of dioxin and lead, and borderline positively to polychlorinated biphenyl 118 and trans-nonachlor.

Conclusion: Dietary patterns were associated in diverse manners with circulating levels of environmental contaminants in this elderly Swedish population. Following the WHO dietary recommendations seems to be associated with a lower burden of environmental contaminants.

Place, publisher, year, edition, pages
Oxford, United Kingdom: Elsevier, 2015. Vol. 75, 93-102 p.
Keyword [en]
Dietary patterns, Dietary recommendations, Environmental contaminants, Low carbohydrate diet, Mediterranean diet
National Category
Environmental Sciences
Research subject
Enviromental Science
Identifiers
URN: urn:nbn:se:oru:diva-43438DOI: 10.1016/j.envint.2014.11.008ISI: 000348746600009PubMedID: 25461418Scopus ID: 2-s2.0-84911071798OAI: oai:DiVA.org:oru-43438DiVA: diva2:793879
Funder
Swedish Research Council, K2013-69X-21414-04-3 K2009-64X-21031-01-3Swedish Research Council Formas, 2009-972 2012-475
Available from: 2015-03-09 Created: 2015-03-09 Last updated: 2017-03-03Bibliographically approved

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Salihovic, Samiravan Bavel, Bert
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School of Science and Technology, Örebro University, Sweden
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CiteExportLink to record
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Citation style
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