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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
동아시아식생활학회 동아시아식생활학회지 동아시아식생활학회지 제15권 제6호
발행연도
2005.12
수록면
687 - 699 (13page)

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In order to investigate the effect of dietary zinc and phytic acid levels on protein metabolism in rats, male rats of Sprague-Dawley strains weighing approximately 60~74 g were fed different diets which contained 0, 0.35 and 1.05% phytic acid each at 3 levels of zinc(0, 30 and 1,500 ppm zinc) for 28 days. Results obtained in this experiment are summarized as follows; 1. Body weight gain, food consumption, food efficiency ratio and protein efficiency ratio were lower in the rats fed zinc deficient diet(0 ppm zinc) than in those consuming 30 or 1,500 ppm dietary zinc, and the additional effects of phytic acid were not observed in all of them. 2. Liver weight was lower in the rats fed 30 ppm zinc diet than in those fed 0 or 1,500 ppm-zinc diet, but kidney and spleen weights were lower in the rats fed zinc deficient diet than in those fed 30 or 1,500 ppm-zinc diet. Among organs measured, only the liver appeared to be influenced by dietary phytic acid: the more the dietary phytic acid, the more the weight of liver. 3. Fecal nitrogen was decreased in the rats fed zinc deficient diet compared with those fed 30 or 1,500 ppm dietary zinc. Urinary nitrogen was increased in the rats fed 1.05% dietary phytic acid compared with those fed 0.35 or 0% dietary phytic acid. Nitrogen retention of rat was influenced by neither dietary zinc nor phytic acid. 4. Urea nitrogen was decreased with increasing dietary zinc levels, and creatinine and uric acid levels were increased with increasing dietary zinc concentration or with additional quantity of phytic acid. Uric acid appeared to be influenced by zinc x phytic acid interaction; especially, the presence of phytic acid in the 30 ppm-zinc diet had significant effect on uric acid content. 5. Hemoglobin concentrations and hematocrit ratio were higher in the rats fed 30 ppm dietary zinc than in those fed 0 or 1,500 ppm-zinc diet. Serum zinc concentration was increased with increasing dietary zinc levels. The contents of total protein, albumin and BUN and the ratio of albumin to globulin in serum, and protein content in liver were influenced by neither dietary zinc nor phytic acid.

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참고문헌 (46)

참고문헌 신청
American Institute of Nutrition (1977) Report of the AIN Ad Hoc Committee on standards for nutritional studies. J Nutr 107: 1340-1378. google schola Brittmarie S, Annette A, Barbro K (1989) Effect of protein level and protein source on zinc absorption in humans. J Nutr 119: 48-53. google schola Cannon RK (1958) Proposal for a certified standard for use in hemoglobinometry. Second and final report. Am J Clin Pathol 30: 211. google schola Chung MI, Chung YJ (1989) Effect of different dietary zinc and protein levels on lipid metabolism. Korean J Nutr 22:9-22. google schola Cox DH, Harris DL (1960) Effect of excess dietary zinc on iron and copper in the rat. J Nutr 70: 514-520. google schola

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