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Food Sci Biotechnol. 2018 Feb 24;27(4):1227-1237. doi: 10.1007/s10068-018-0336-y. eCollection 2018 Aug.

Effect of dietary patterns on the blood/urine concentration of the selected toxic metals (Cd, Hg, Pb) in Korean children.

Author information

1
Department of Sports Science, SPKOREA, Busan, Korea.
2
2Department of Preventive Medicine, School of Medicine, Kangwon National University, Chun-Cheon, Korea.
3
Department of Beauty Art, Kyungbok University, Namyangju, Korea.
4
5Cancer Epidemiology Branch, National Cancer Center, Goyang, Korea.
5
6Department of Food and Nutrition, Research Institute of Human Ecology, Kyung Hee University, Seoul, 130-701 Korea.
6
7Department of Preventive Medicine, College of Medicine, Dankook University, Cheonan, Korea.
7
8Department of Preventive Medicine, College of Medicine, Chung-Ang University, 221 Heukseok-Dong, Dongjak-Gu, Seoul, 156-756 Korea.
8
9Department of Preventive Medicine, College of Medicine, Dong-A University, Busan, Korea.
9
Toxic Metal Exposure Environmental Health Center, Busan, Korea.
10
11Department of Preventive Medicine, College of Medicine, Chungbuk National University, Cheongju, Korea.
11
12Department of Preventive Medicine, College of Medicine, Chonnam National University, Gwangju, Korea.
12
13Advanced Analysis Center, Korea Institute of Science and Technology, Seoul, Korea.
13
14Molecular Recognition Research Center, Korea Institute of Science and Technology, Seoul, Korea.
14
15Department of Epidemiology and Biostatistics, School of Public Health, Seoul National University, Seoul, Korea.
15
3Vanderbilt Epidemiological Center, Vanderbilt University, Nashville, USA.

Abstract

This study was aimed to examine the association the blood/urinary concentration of toxic metal (Hg, Pb, and Cd) with children's dietary patterns. This cross-sectional study included 1026 school children aged 8-17 years. Dietary patterns were defined using factor loading scores for 108 foods from a Semi-Quantitative Food Frequency Questionnaire. A high blood Hg level was found in boys with a high score in the 'fish' pattern (p = 0.02), and in girls with a high score in 'fruit' pattern (p = 0.04). The concentration of Pb was related to the 'imprudent' pattern in high school boys (p = 0.02). The effect of the 'vegetable' pattern on high excretion of urinary Cd was observed in low grade elementary (p = 0.04) and middle school students (p < 0.0001), and the effect of the 'fruit' pattern on the urinary Cd was observed in high grade elementary school students (p = 0.02). This study suggests that the concentration of selected toxic metals in blood/urine could be affected by children's dietary pattern.

KEYWORDS:

Blood/urine toxic metals (Hg, Pb, Cd); Dietary pattern; Korean children

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