期刊
ENVIRONMENT INTERNATIONAL
卷 75, 期 -, 页码 93-102出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.envint.2014.11.008
关键词
Dietary patterns; Dietary recommendations; Environmental contaminants; Low carbohydrate diet; Mediterranean diet
资金
- Swedish Research Council (VR) [K2013-69X-21414-04-3, K2009-64X-21031-01-3]
- Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning, (FORMAS) [2009-972, 2012-475]
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. (C) 2014 Elsevier Ltd. All rights reserved.
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