A Study on Serum Concentrations of Antioxidant Minerals in Normal Korean Adults

한국 정상성인의 항산화 관련 혈청 무기질 농도에 관한 연구

  • 이양자 (연세대학교 생활과학대학 식품영양과학연구소)
  • Published : 1998.04.01

Abstract

Studies on relationships between antioxidant nutrients and various chronic diseases are increasing. In this study , serum concentrations of antioxidant minerals(Se, Cu, Zn & Mn) wee measured and compared among normal Korean adults. The ICP -MS method was employed to measure mineral concentrations. The subjects consisted of 329 healthy adults(154 men & 175 women) aged 20-79 years. The mean serum concentration appeared to be 26.4$\pm$0.41 (Se), 89.6$\pm$1.53(Cu), 113.3$\pm$1.56(Zn) & 0.34$\pm$0.05(Mn)$\mu\textrm{g}$/㎗ for men and 24.5$\pm$0.32(Se), 95.1$\pm$1.58(Cu), 133.6$\pm$1.79(Zn) & 0.35$\pm$0.02(Mn) $\mu\textrm{g}$/㎗ for women respectively. Among antioxidant minerals measured, the mean serum levels of Se and Zn were higher in men than in women(p<0.001), whereas that of Cu was higher in women(p<0.01). No significant difference between sex was observed for the mean Mn concentrations. The mean serum levels of Se(p<0.01) and Zn(p<0.05) decreased significantly in the 60's women On the other hand, the Mn concentrations in the 60's of women showed a significant increase(p<0.01). This difference seems to be due to the changes in menopausal status . The Cu levels in men showed a consistent increase with advancing age. The mean Cu/Zn ratios were 0.83 $\pm$0.04 for men and 0.95$\pm$0.02(p<0.01) for women respectively. The fact that this ratio increased significantly at the 60's of men (1.26 ; p<0.001) requires further study in relation to chronic diseases. When analyzed by stepwise multiple regression, drinking positively influenced serum Se and Cu levels for both men and women , smoking, however, negatively influenced all serum mineral levels for women. Further studies are needed to clarify precise roles of antioxidant minerals, their interactions and their relation to disease status.

Keywords

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