Markova M, Angelova K
Probl Khig. 1979;4:143-50.
Experimental data on the influence of separate protein feeding by giving milk cassein at different hours of the day and night, apart from the energy-supplying food, to young rats, showed that protein is best utilized by the organism when given durins the dark period of the day. The results obtained are discussed in relation to the coefficients of protein and caloric effectiveness in the different hours of the day and night, with regulation of the light and dark period for 24 hours.
通过在白天和黑夜的不同时间给幼鼠喂食酪蛋白（除了提供能量的食物外）来研究单独蛋白质喂养影响的实验数据表明，当在白天的黑暗时段给予蛋白质时，机体对其利用率最高。结合白天和黑夜不同时间的蛋白质和热量效率系数以及24小时的明暗周期调节，对所得结果进行了讨论。
