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KMID : 1156220110370040258
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Journal of Environmental Health Sciences
2011 Volume.37 No. 4 p.258 ~ p.266
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Time Trends in Estimated Dietary Lead Intake from the Variation of Intake Weight Per Food Group
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Moon Chan-Seok
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Abstract
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Objectives: The aim of this study is to examine the possible changes over the past ten years in the estimated daily dietary lead intake (Pb-D) stemming from the variation of daily intake amounts for each food group. The following factors were considered; 1. time trends in Pb-D as the estimated values, 2. the time trend in Pb-D by food groups 3. the most influential food groups for dietary Pb intake.
Methods: Estimated Pb-D was drawn from food consumption according to food groups reported in the Korean National Health and Nutrition Survey and the lead contents of each food group as reported in 23 prior publications.
Results: The estimated Pb-D in a 2009 survey was 40.8 μg/day, of which 22.5 μg/day (55.1%) was of plant origin and 18.3 μg/day (44.9%) was of animal origin. Meats and poultry, fish and shellfish among foods of animal origin and beverages of plant origin had the largest contribution in Pb-D among the food groups.
Conclusion: Over past ten years, daily lead intakes have slightly increased among men. Otherwise, no clear variation is apparent among women.
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KEYWORD
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Lead, Estimation, Time trend, Dietary intake, Food group
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