Food intake survey of kindergarten children in Korea: Part 3 cadmium and lead burden

Watanabe, Takao; Kim, Eul-Sang; Ko, Young-Hwan; Yang, Hyun; Moon, Chan‐Seok; Nakatsuka, Haruo; Shimbo, Shinichiro; Ikeda, Masayuki

doi:10.1007/s12199-015-0467-1

Cited by 8 publications

(8 citation statements)

References 24 publications

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“…In such studies, strong positive correlations were observed between DCd and UCd among non-smoking adult women in both Sweden (r=0.54, p <0.001) (Julin et al 2011) and Japan (r=0.89, p <0.01) (Ikeda et al 2006). However, in a cohort of children in Japan, negative correlations were observed between DCd and UCd (r=-0.49, p <0.01) (Watanabe et al 2015). This study among children conflicted with our findings but did not account for cigarette smoke exposure, a potential source of confounding.…”

Section: Discussionmentioning

confidence: 99%

Dietary predictors of urinary cadmium among pregnant women and children

Moynihan

Peterson

Cantoral

et al. 2017

Science of The Total Environment

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Background Cadmium is a toxic metal with modifiable exposure sources including diet. In pregnant women and children, unique dietary habits may contribute to DCd, and the relationship of diet to overall cadmium exposure can depend on specific factors during these transitional time periods. Objectives This study aimed to identify and quantify food sources of DCd, describe the distribution of UCd, and determine the relationship of DCd and intake of specific foods with UCd, stratified by maternal smoking history, among pregnant women and children in a well-characterized Mexico City birth cohort. Methods Our sample included 192 pregnant women (third trimester) and 223 children (7-15 years). DCd was calculated using FFQ and the U.S. TDS. We also measured UCd, maternal history of smoking, and additional covariates. Results Pregnant women and children had geometric mean UCd concentrations of 0.19±0.78 μg/L and 0.14±0.60 μg/L, respectively. On average, estimated daily DCd intake was 9.3±3.5 μg for women and 12.2±5.4 μg for children. Adjusted linear regression models showed a positive association between DCd and UCd among women (p=0.03) and children (p=0.03) without a maternal history of smoking. Intake of fruit and vegetables among women and potato consumption among children were positively associated with UCd. Conclusions Pregnant women and their children are exposed to cadmium at dietary and urinary levels similar to those previously reported. Higher estimated DCd for children than for women could be attributed to the different FFQs or related to dietary pattern changes between age groups. DCd contributed to UCd in those without a maternal smoking history.

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Section: Discussionmentioning

confidence: 99%

Dietary predictors of urinary cadmium among pregnant women and children

Moynihan

Peterson

Cantoral

et al. 2017

Science of The Total Environment

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“…Each guardian prepared a 24-hour food duplicate sample by collecting foods (including water and drinks) at the exact amounts the child was served on the day [8] following the method previously detailed [6,[9][10][11]. Food items in each duplicate sample were separated manually, and weights were recorded.…”

Section: Collection Of Food Duplicate Samples and Estimation Of Nutrimentioning

confidence: 99%

“…Then, the food item was coded after China Food Composition Tables (the second edition) [12] by veteran nutritionists who knew local foods well. The nutrient intake was estimated from the code and weight of each food item followed by summation for intake per day [9][10][11][12][13]. The nutritionists estimated the amounts of unmeasurable food items (such as cooking and table salt) to supplement the food intake records [5][6][7].…”

Section: Collection Of Food Duplicate Samples and Estimation Of Nutrimentioning

confidence: 99%

“…Cadmium (Cd) and lead (Pb) in the duplicate samples were measured by inductively coupled plasma-mass spectrometry (ICP-MS) after homogenization and wet-ashing of each sample [11]. Sodium (Na) was measured by flame atomic absorption spectrometry [13] to validate the estimation.…”

Section: Collection Of Food Duplicate Samples and Estimation Of Nutrimentioning

confidence: 99%

“…Sodium (Na) was measured by flame atomic absorption spectrometry [13] to validate the estimation. Successful quality assurance for the analytical methods employed was also previously described for Cd and Pb [11,13].…”

Section: Collection Of Food Duplicate Samples and Estimation Of Nutrimentioning

confidence: 99%

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Nutrient intake by kindergarten children in Beijing and Xian, China in 2004-2005, with special reference to sources of high sodium intake

Nakatsuka¹,

Watanabe²,

Zhang³

et al. 2017

Integr Food Nutr Metab

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Lead exposure from households and school settings: influence of diet on blood lead levels

Leroux

Ferreira

Silva

et al. 2018

Environ Sci Pollut Res

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Lead is known as a potent toxicant to human health, particularly for children while their central nervous system is developing. The aim of this study was to investigate the associations between blood lead levels (BLLs) and lead exposure in the children's diet, home, and school environments. A cross-sectional study was conducted with 153 children aged 1-4 years, in four day care centers (DCCs), where a high prevalence of lead exposure was previously found. Lead determination by graphite furnace atomic absorption spectrometry (GF-AAS) was performed for venous blood, drinking water collected in the DCCs, and the 24-h diet (n = 64). Environmental screenings were conducted to evaluate lead concentrations in the tableware, buildings, and playground items in all DCCs and children's homes (n = 18) by using a field-portable X-ray fluorescence analyzer (FP-XRF). The BLL mean was 2.71 μg dL. Means for 24-h lead concentrations in the diet were 1.61 and 2.24 μg kg of body weight (BW) in two DCCs. Lead concentrations in the water supply were lower than 2 μg L. More than 11% of the DCCs' environmental analyses presented lead concentrations higher than or equal to 1 mg cm, as defined by the USEPA. The diet was not found to be a risk factor for lead exposure, but households and DCC settings raised concern. Children's exposure to lead in DCC environments, where they spend the most part of their weekdays, appeared to be relevant. Graphical abstract ᅟ.

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Food intake survey of kindergarten children in Korea: Part 3 cadmium and lead burden

Abstract: The observed levels of Cd and Pb exposure were more or less similar to what were reported for children in Pusan. No apparent urban-rural difference could be detected.

Cited by 8 publications

References 24 publications

Dietary predictors of urinary cadmium among pregnant women and children

Dietary predictors of urinary cadmium among pregnant women and children

Nutrient intake by kindergarten children in Beijing and Xian, China in 2004-2005, with special reference to sources of high sodium intake

Lead exposure from households and school settings: influence of diet on blood lead levels

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