Effect of Iodine Enriched Eggs on Lipid Metabolism of Growing Rats at Exercise and Meal

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  • ヨード強化卵が成長期ラットの運動時および摂食時における脂質代謝におよぼす影響
  • ヨード キョウカ ラン ガ セイチョウキ ラット ノ ウンドウジ オヨビ セッ
  • ヨード強化卵の栄養的効果に関する研究 (第1報)

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Abstract

Lipid metabolism was compared in growing male rats by feeding a diet containing iodine enriched egg powder (8.163mg I/kg diet) or a control diet containing ordinary egg powde (0.369mg I/kg diet). Rats were meal-fed twice a day (08-09 and 21-22 hrs) for 10 weeks. During the feeding period, rats were subjected to exhaustive swimming exercise once a week or to daily voluntary running exercise. Body weight gain, food intake, weights of organs and adipose tissues, and iodine content in thyroid gland were not affected by diets. The swimming time and voluntary running distance of the iodine enriched egg diet group were not significantly different from those of the control group throughout the experimental period. The concentrations of serum total cholesterol and HDL-cholesterol were not different in both diet groups. Serum fatty acid concentration, lipoprotein lipase activities in epididymal adipose tissue and skeletal muscle, and glycogen concentrations in liver and skeletal muscle showed characteristic responses to swimming exercise or meal. The lipoprotein lipase activities in the adipose tissue and muscle, and glycogen concentrations in liver and muscle were higher in the iodine enriched egg diet group as compared to the control group. It seems to suggest that the lipid metabolismwould be influenced by feeding the iodine enriched egg diet.

Journal

  • Eiyo To Shokuryo

    Eiyo To Shokuryo 34 (4), 295-302, 1981

    JAPAN SOCIETY OF NUTRITION AND FOOD SCIENCE

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