Chan-Seok Moon1, Hye-Ran Yang2, Haruo Nakatsuka3, Masayuki Ikeda4. 1. Department of Industrial Health, Catholic University of Busan, Busan, 609-757, Korea. 2. Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, 137-734, Korea. 3. School of Nursing, Miyagi University, Taiwa-cho, 981-3298, Japan. 4. Kyoto Industrial Health Association, Nishinokyo-Kitatsuboicho, Nakagyo-ku, Kyoto, 604-8472, Japan. m-71-ikeda@nifty.com.
Abstract
OBJECTIVES: The aim of this study was to elucidate past and current levels of cadmium (Cd) intake among the general populations in Korea. METHODS: For this purpose, publications reporting dietary intake of cadmium (Cd-D), cadmium concentration in blood (Cd-B) and that in urine (Cd-U) in Korea were retrieved through literature survey for a period from 1975 to 2015. RESULTS: In practice, 9, 21 and 14 articles were available on Cd-D, Cd-B and Cd-Ucr (Cd-U as corrected for creatinine concentration), respectively. Linear regression analyses of the reported values as a function of years (i.e., the year when each survey was conducted) showed steady decreases in all of the three exposure markers of Cd-D, Cd-B and Cd-U(cr). Factors possibly contributing for the reduction were discussed including the government-set guideline of 0.2 mg/kg for rice and changes in food habits among general populations. CONCLUSIONS: There have been steady decreases in Cd-D, Cd-B and Cd-U(cr). The current estimates for Cd-D, Cd-B and Cd-Ucr were 6.0-7.4 μg/day, 0.73-0.83 μg/L and 0.60-0.95 μg/g cr, respectively.
OBJECTIVES: The aim of this study was to elucidate past and current levels of cadmium (Cd) intake among the general populations in Korea. METHODS: For this purpose, publications reporting dietary intake of cadmium (Cd-D), cadmium concentration in blood (Cd-B) and that in urine (Cd-U) in Korea were retrieved through literature survey for a period from 1975 to 2015. RESULTS: In practice, 9, 21 and 14 articles were available on Cd-D, Cd-B and Cd-Ucr (Cd-U as corrected for creatinine concentration), respectively. Linear regression analyses of the reported values as a function of years (i.e., the year when each survey was conducted) showed steady decreases in all of the three exposure markers of Cd-D, Cd-B and Cd-U(cr). Factors possibly contributing for the reduction were discussed including the government-set guideline of 0.2 mg/kg for rice and changes in food habits among general populations. CONCLUSIONS: There have been steady decreases in Cd-D, Cd-B and Cd-U(cr). The current estimates for Cd-D, Cd-B and Cd-Ucr were 6.0-7.4 μg/day, 0.73-0.83 μg/L and 0.60-0.95 μg/g cr, respectively.
Entities:
Keywords:
Cadmium in blood; Cadmium in diet; Cadmium in urine; General population; Korea; Time trend
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