Blood Concentrations and Dietary Intake of Cd among the General Population in South Korea

Chan-Seok Moon
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Chan-Seok Moon: Department of Safety and Health, College of Health Sciences, Catholic University of Pusan, Busan 46252, Korea

IJERPH, 2021, vol. 19, issue 1, 1-10

Abstract: This study aimed to identify the time trends of blood Cd concentrations and their correlation with the Cd-B and the intakes of food groups as an influencing factor for Cd exposure among the general population in South Korea. During seven Korea National Health and Nutrition Examination Surveys from 2005 to 2017, a total of 9578 individuals (4317 men and 5261 women) participated in a 24 h recall test for a dietary survey and a blood-metal survey using physical examinations performed in the same survey year. The blood Cd concentration was observed to decrease significantly ( p < 0.05) from 1.51 µg/L in 2005 to 0.76 µg/L in 2017. In terms of the food groups, grains and cereals, potatoes and starch, and fruits were significantly correlated with the corresponding Cd concentrations and also showed decreased intakes. For Koreans, the observed decrease in blood Cd concentrations was probably caused by a decrease in the intake of food groups of plant origin.

Keywords: Cd; blood concentration; food group; decrease; dietary intake; grains and cereals; potato and starch; fruits; vegetables (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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