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Nutrients 2018, 10(2), 225; https://doi.org/10.3390/nu10020225

Impact of Selenium Addition to Animal Feeds on Human Selenium Status in Serbia

1
Institute for Public Health Pozarevac, Jovana Serbanovica 14, 12000 Pozarevac, Serbia
2
Institute of Bromatology, Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia
3
Institute for Medical Research, Centre of Research Excellence in Nutrition and Metabolism, University of Belgrade, Tadeusa Koscuska 1, 11000 Belgrade, Serbia
*
Author to whom correspondence should be addressed.
Received: 28 December 2017 / Revised: 10 February 2018 / Accepted: 14 February 2018 / Published: 16 February 2018
(This article belongs to the Special Issue Selenium and Selenoproteins in Environment, Health and Disease)
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Abstract

Research conducted during the 1980s demonstrated Se deficiency in humans. Increased inclusion of selenium in animal feeds started from the year 2000 onwards. The aim of this study was to estimate the effects of selenium inclusion in animal feeds on human selenium status and dietary habits of the Serbian population related to food of animal origin. Plasma selenium concentration in healthy adult volunteers, including residents of one of the regions with the lowest (Eastern Serbia, n = 60) and of one of the regions with the highest Se serum levels reported in the past (Belgrade, n = 82), was determined by hydride generation atomic absorption spectrometry. Multivariate analysis was employed to determine the correlation between Se plasma levels and dietary intake data derived from food frequency questionnaires and laboratory tests. The mean plasma Se level of the participants was 84.3 ± 15.9 μg/L (range: 47.3–132.1 μg/L), while 46% of participants had plasma Se levels lower than 80 μg/L. Frequency of meat, egg, and fish consumption was significantly correlated with plasma selenium level (r = 0.437, p = 0.000). Selenium addition to animal feed in the quantity of 0.14 mg/kg contributed to the improvement of human plasma selenium levels by approximately 30 μg/L. View Full-Text
Keywords: plasma selenium; supplementation of feed; food of animal origin; food frequency questionnaires plasma selenium; supplementation of feed; food of animal origin; food frequency questionnaires
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Pavlovic, Z.; Miletic, I.; Zekovic, M.; Nikolic, M.; Glibetic, M. Impact of Selenium Addition to Animal Feeds on Human Selenium Status in Serbia. Nutrients 2018, 10, 225.

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