Zinc Absorption of Preschool Children

학령전 아동의 아연흡수에 관한 연구

  • Published : 2002.03.01

Abstract

This study was performed to estimate fille zinc absorption, excretion, and balance of preschool children in Pohang and to evaluate the relationship zinc absorption and related variables. To determine the zinc absorption and excretion, duplicate food samples, pooled faces and urine samples were collected for 3 consecutive days in 21 preschool children. The mean fecal and urine excretions were 7.03mg/day and 0.16mg/day far the boys and 5.87mg/day and 0.15mg/day for the girls. Analyzed daily mean zinc intake was 10.45mg/day for the boys and 7.80mg/day for the girls. The mean ,apparent absorption rate and balance were 29.7% and 3.25mg for the boys and 23.3%, 1.78mg for the girls. Although the mean apparent absorption rate and balance of boys tended to be higher, there was no significant difference between boys and girls. In this study, subjects showed the positive balance except one. Fecal zinc loss reflected dietary zinc (p < 0.01), but urinary zinc loss was unaffected by zinc intake. There was a positive relationship between zinc apparent absorption and zinc balance (p<0.01). These results show that the zinc absorption and balance were favorable.

학령전 아동의 zinc absorption, excretion, balance에 대하여 연구한 결과는 다음과 같다. Zinc absorption은 남자아동의 경우 29.7%, 여자아동의 경우 23.3%, 평균 25.8%로 나타났다. 대상자기 zinc absorption은 zinc intake와는 상관성이 나타나지 않았으며, zinc balance와 유의적 상관(p<0.01)을 보였다. Zinc balance는 남자아동의 경우 평균 3.25mg/day , 여자아동의 경우 1.78mg/day , 평균 2.34mg/day 로 1명의 대상자를 제외하고 모두 positive balance를 보였다. Fecal zinc loss는 평균 6.31mg/day, urinary ziilc loss는 평균 0.16mg/day 였다. zinc intake는 focal zinc loss및 zinc balance에 유의적 영향을 미치는 것으로 나타났으며(p<0.01), urinary zinc는 intake의 영향을 받지 않았다. 우리나라 학령전 아동의 zinc absorption 및 balance 는 양호한 것으로 나타났다. 그러나 이 방면의 연구 자료가 많지 않아, 성장기 아동을 대상으로 한 zinc nutrition에 대한 구체적이고 지속적인 연구가 필요하다.

References

  1. Shils, M. E., Olson, J. A. and Shike M. : Modem nutrition in health and disease, 8th ed., Lea & fcbiger, philadelphia, p219-220 (1994)
  2. Sandstead, H. H. : Is zine deficiency a public health problem? Nutrition., 11, 87 (1995)
  3. Sandstrom, B. Cederblad, A. : Zinc absorption from composite meals. Ⅱ. Influence of the main protein souroe. Am. J. Clin. Nutr., 33, 1778-1783 (1980)
  4. Sandstrom, B., Arvidson, B., Cederblad, A., and Bjorn Rasmussen, E. : Zinc absorption from composite meals, I. The significance of wheat extraction rate, zinc, calcium, and protein content in meals based on bread. Am. J. Clin Nutr., 33 739-745 (1989)
  5. Sandstrom, B., Almgreen, A., Kivisto, B. and Cederblad, A. : Effect of protein level and protein source on zinc absorption in humans. J. Nutr., 53, 119-148 (1989)
  6. Hambidge, K. M. C., Hambidge, M. jacobs and Baum, J. D. : Low levels of zinc in hair, anorexia, poor growth, and hypogeusia in children. Pediatr. RES., 6, 868 874 (1972) https://doi.org/10.1203/00006450-197212000-00003
  7. Ritchey, S. J., Korslund, M. K., Gilbert, I., M., Fay, D. C. and Robinson, M. F. : Zine retention and losses of zinc in sweat by preadolescent girls. Am. J. Clin. Nutr., 32 799-803 (1979)
  8. Recommended Dietary Allowances for Koreans., 7th Revision, Korean Nutrition Society, Seoul (2000)
  9. Kim, Y. S. : Association between nutrient intake and zinc nutriture in preschool children. J. Ind. Tech Po hang College, 27(2), 39-50 (2000)
  10. Wardlaw, G. M., and Insel, P. M. : Perspectives in Nutrition, Third ed., Mosby-Year Book Inc., Boston, p. 542-546 (1996)
  11. Moon, H. K., Jung. H. J. and Park, S. Y. : Indicators of nutritional status on the basis of preschool children's anthropometry. Korean J. Nutr., 31(8), 1283-1294 (1998)
  12. Pike, R. L. and Brown, M. L. : Nutrition an integrated approach. Third ed., John Wiley & Sons Inc., New York, p.168-198 (1984)
  13. Sadler, M. J., Strain, J. J. and Caballero B. : Encyclopedia of Human Nutrition. Academic Press, San Diego, p. 345-346 (1999)
  14. Kim, J. H., paik, H. Y. and Joung. H. J. : Evaluation of zinc and copper status in korean college women. Korean J. Nutr., 32(3), 277-286 (1999)
  15. Lee. J. Y., Paik, H. Y. and Joung, H. J. : Supplementation of zinc mutrient database and evaluation of zinc intake of Korean, adults living in rural area. korean J. Nutr., 31(8), 1324-1337 (1998)
  16. Park, J. S. and Chyun. J. H. : Dietary zinc analysis and changes of zinc nutriture with zinc supplementation in korean adults. Korean J. Nutr., 26(9), 1110-1117 (1993)
  17. Kim, A. J., Yuh, C. S., Kim, H. K., Kim, S. U., Kim, S. K. and Chang, O. J. : The correlation of dietary Cr, Cu and Zn levels with serum lipid healthy college women living in choongnam area. Nutritional Sciences, 3(1) May, 42-46 (2000)
  18. Holden, J. M., Wolf, W. R. and Mertz., W. : Zinc and copper in self-selected. J. Am. Diet. Assoc., 77, 23-28 (1979)
  19. Deutsche Gesellschaft fur Emahrung, Nutrition Report 1988, Frankfurt, FRG : Henrich (1998)
  20. Price, N. O., Bunce, G. E. and Engel, R. W. : Copper, manganese and zinc balance in preadolescent girls. Am J. Clin. Nutr., 23. 258 (1970)
  21. Engel, R. W., Miller, R. F. and Price, N. O. : Metabolic patterns in preadolescent children. XIII. Zinc balance. In : Zinc Metabolism, edited by A. S. Prasad, Springfield, Charles C. Thomas, p.326 (1966)