the effect of ingesting a meal containing 3,275 kj ( 47.3 % carbohydrate , two-thirds of which was in the form of simple sugars , 39.4 % fat , and 13.2 % protein ) on the oxidation of carbohydrate fat and protein ( or amino acids ) was assessed by indirect calorimetry and measurement of the rate of excretion of nitrogenous end products in urine and changes in the plasma urea concentration .
C0026492
simple sugars
C0007004
carbohydrate