Kubota Hirokazu, Ohyama Tomoko, Horikawa Yoko, Matsuda Koichi, Fujimoto-Sakata Shigeko, Tamaki Nanaya
Faculty of Nutrition, High Technology Research Center, Kobe Gakuin University, Nishi-ku, Kobe 251-2180, Japan.
J Nutr Sci Vitaminol (Tokyo). 2003 Aug;49(4):228-33. doi: 10.3177/jnsv.49.228.
When dextrin, maltose, sucrose, glucose, and fructose were used as a source of carbohydrate in a diet, the food intake of rats fed either a Zn-adequate or Zn-deficient diet was evaluated daily over 28 d. The average food intake of all groups of rats fed the Zn-deficient diet was significantly lower than that of the corresponding groups of Zn-adequate control rats. The food intake of the dextrin group was the highest under both Zn-deficient and Zn-adequate diets, and that of the fructose group was the lowest. All rats of the dextrin, maltose, sucrose, glucose, and fructose groups with the Zn-deficient status showed a characteristic cyclic variation in food intake and fitted well to a Cosinor curve. The values of the mesor, amplitude, and period of the food intake cycles showed significant differences among the groups. The higher intake of the glucose diet than the fructose diet of rats fed a Zn-deficient diet may be related to the different metabolisms of the carbohydrates used, from the comparison of the quantities consumed in the corresponding carbohydrates of Zn-adequate diets.
当将糊精、麦芽糖、蔗糖、葡萄糖和果糖用作饮食中的碳水化合物来源时，在28天内每天评估喂食锌充足或锌缺乏饮食的大鼠的食物摄入量。喂食锌缺乏饮食的所有大鼠组的平均食物摄入量显著低于相应的锌充足对照大鼠组。在锌缺乏和锌充足饮食条件下，糊精组的食物摄入量最高，果糖组的食物摄入量最低。锌缺乏状态下糊精、麦芽糖、蔗糖、葡萄糖和果糖组的所有大鼠的食物摄入量均呈现出特征性的周期性变化，并且与余弦节律曲线拟合良好。食物摄入周期的中值、振幅和周期值在各组之间存在显著差异。从锌充足饮食中相应碳水化合物的消耗量比较来看，喂食锌缺乏饮食的大鼠中葡萄糖饮食的摄入量高于果糖饮食，这可能与所使用碳水化合物的不同代谢有关。
