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Trace element concentrations profiles in the hair of normal children living in the northern area of Seoul

Korean Journal of Pediatrics 2006;49(1):18-23.
Published online January 15, 2006.
Trace element concentrations profiles in the hair of normal children living in the northern area of Seoul
Ji Won Kwon, Byung Eui Kim, Mi Jung Park, Sang Woo Kim
Department of Pediatrics, Sanggye Paik Hospital, Inje University, College of Medicine, Seoul, Korea
서울 북부지역에 거주하는 정상 아동의 모발 미네랄 함량
권지원, 김병의, 박미정, 김상우
인제대학교 의과대학 상계백병원 소아과
Mi Jung Park, Email: PMJ@sanggyepaik.ac.kr
: The reliability of hair mineral analyses regarding nutritional status, environmental exposure or diseases is controversial. The aim of this study was to determine the normal reference range of hair mineral concentration of Korean children.
: We examined hair mineral concentrations of 223 children(3-12 yrs old, 110 boys, 113 girls, mean age 8.8?.2 yrs old) living in the northern area of Seoul. The trace elements including six toxic elements(Al, As, Cd, Ba, Hg, Pb) and 11 nutritional elements(Na, Mg, P, K, Ca, Cr, Mn, Fe, Cu, Zn, Se) were analyzed by inductive coupled plasma mass spectrometry(ICP-MS).
: The mean concentrations of Ca and Mg were higher in girls than in boys. The mean concentrations of Cd, Pb and Cr were higher in boys than girls. The Zn, Ca, Mg, Cu and Hg levels in hair samples were positively correlated with increasing age. The Zn levels of the Korean children's hair samples appear to be lower than that of other countries' reference values.
: There are considerable differences in hair mineral concentrations by age, sex and race. Additional research is needed to establish Korean reference values, and to evaluate the usefulness of hair mineral analyses as a screening tool for nutrition- and environment-related childhood diseases.
Key Words: Hair mineral analysis , Normal reference value , Normal children

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