Preventive Nutrition and Food Science

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Potential Antioxidant Trace Mineral (Zn, Mn, Cu and Fe) Concentrations Measured by Biochemical Indices in South Koreans

  • Cho, Young-Eun (Department of Food Science and Nutrition, Andong National University) ;
  • Byun, Young-Mee (Department of Food Science and Nutrition, Andong National University) ;
  • Kwak, Eun-Hee (Department of Food Science and Nutrition, Andong National University) ;
  • Yoon, Jin-Sook (Department of Food Science and Nutrition, Keimyung University) ;
  • Oh, Hyun-Mee (Department of Food Science and Nutrition, Keimyung University) ;
  • Kim, Jae-Wang (Kim Jae-Wang Clinics) ;
  • Shin, Hyun-Soo (Andong Medical Center) ;
  • Kwon, Chong-Suk (Department of Food Science and Nutrition, Andong National University) ;
  • Kwun, In-Sook (Department of Food Science and Nutrition, Andong National University)
  • Published : 2004.12.01
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Abstract

The concern of the antioxidant micronutrient status in normal healthy people, including antioxidant trace minerals such as Cu, Zn, Mn, Fe and Se is focused since systemic oxidation is involved in various chronic diseases. In the present study, we evaluated the concentration of trace minerals (Cu, Zn, Mn, and Fe) which are considered as potential antioxidant minerals in plasma, red blood cells (RBCs) and urine in normal healthy Korean subjects. The 760 subjects (male 341, female 419; mean age 54.2 $\pm$ 18.9) were recruited from the rural, urban and metropolitan city in South Korea. Dietary intake was evaluated using 24-hours recall for general major nutrient intake assessment. The trace elements (Cu, Zn, Mn, and Fe) concentrations in plasma, RBCs, and urine were measured by inductively coupled plasma spectrophotometer (ICP) and atomic absorption spectrophotometer (AAS). Cu and Zn levels in plasma, RBCs and urine in normal healthy South Koreans were within the normal range of those mineral levels, but Mn and Fe levels were higher compared to the normal range of those mineral levels. None of the selected trace mineral levels in plasma and RBC's was lower than the normal range value. The results showed that Zn and Cu levels in plasma and RBC's in Korean were within the normal range, and plasma and urinary Mn and Fe levels were higher than the normal reference values. Potential antioxidant trace mineral (Cu, Mn, Zn and Fe) levels in Koreans are within or a bit higher than the normal range.

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References

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