食餌內 蛋白質含量에 따른 Sucrose Effect의 變化 = The Dietary Sucrose Effects on the Three Different levels of protein Diet Group

다국어 초록 (Multilingual Abstract)

This study was conducted to compare dietary sucrose effect among three different levels of protein groups.
Sixty male weanling Sprague-Dawley rats weighing 53.5 grams each, after being adopted for 2days with standard diet, were blocked into 12 groups and fed experimental diet as designed.
Experimental diet were composed of three different levels of proteins, 6％ designed as low protein diet, 15％ designed as standard protein diet and 30％ designed as high protein diet.
Starch and sucrose were included as carbohydrate sources in these diets.
In each group, the amount of food intake, body weight gain weight of internal organs, Epididymal fat pad, and five skeletal muscles (Tibialis anterior, Gastrocnemius, E.D.L., Plantaris, Soleus) were mesured.
The content of water, fat and protein in liver & skeletal muscles were also mesured.
The body total nitrogen retention was calculated by the difference between nitrogen intakes and nitrogen excretionsc .
The result of this experiment were summerized as follows.
1. Food intakes were higher in the starch group compared to the sucrose group in the low and standard protein level. But in the high protein level, the sucrose group consumed more.
Body weight gain also tended to increase in rats fed by starch in the low and standard protein level and this tendency was statistically significant during the 6th week in the standard protein level. But in the high protein level, the sucrose fed rats were more gained than the starch fed animals in their body weight.
2. There were no significant differences between the sucrose and starch groups of all protein levels in the weight of heart, kidney, adrenal, spleen, and sex organ.
The liver weighed more in the starch group than the sucrose group in the low and standard protein levels. On the contrary, in the high protein level, the sucrose group weighed more than the starch group in there liver weight.
Liver lipid content was significantly high in the low protein level after 3 weeks of experimental days, and liver protein content was not showed difference between two carbohydrate groups.
The weight of epididymal fat pad was significantly havier in the starch group than the sucrose group in the low and standard protein level. On the contrary, in the high protein level, the sucrose group weighed more in this respect.
4. The nitrogen retention in the body was not showed the difference between two carbohydrate groups.