TABLE 5.

Effect of the macronutrient composition of the high-carbohydrate (H-CHO) and high-fat (H-F) diets on substrate oxidation rate during the fasting and fed states¹

	Fasting		Fed
	H-CHO	H-F	H-CHO	H-F
NPRQ	0.82 ± 0.0	0.77 ± 0.02	0.84 ± 0.0	0.76 ± 0.02
EE (kcal/d)	1162 ± 10	1241 ± 192	1411 ± 14	1455 ± 22
Fat
(g/d)	64 ± 5	91 ± 62	68 ± 7	117 ± 62
(% of EE)	50 ± 4	66 ± 52	44 ± 4	73 ± 32
Carbohydrate
(g/d)	102 ± 9	50 ± 142	147 ± 13	45 ± 82
(% of EE)	35 ± 3	16.5 ± 42	43 ± 4	12 ± 22
Protein
(g/d)	43 ± 2	54 ± 32	43 ± 2	54 ± 32
(% of EE)	15 ± 1	17 ± 13	13 ± 1	15 ± 12

¹All values are means ± SEMs; n = 7. NPRQ, nonprotein respiratory quotient; EE, energy expenditure.

^2,3Significantly different from H-CHO (paired t test): ²P < 0.01, ³P < 0.05.