Table 2.

Metabolic responses to 48 h starvation (fast) and 24 h refeeding (refed) with a high CHO diet

	Pre-fast	24 h fast	48 h fast	24 h refed
Plasma glucose (mm)	4.34 ± 0.07	4.09 ± 0.09	3.51 ± 0.08**†	4.44 ± 0.14
Serum insulin (pm)	29.5 ± 3.5	26.1 ± 3.0	16.4 ± 1.2**	31.9 ± 5.3
Plasma FFA (mm)	0.46 ± 0.07	0.76 ± 0.12	0.97 ± 0.10**	0.45 ± 0.08
Plasma glycerol (μm)	31.7 ± 4.7	46.9 ± 5.5**	52.1 ± 6.3*	31.8 ± 2.8
Blood hydroxybutyrate (mm)	0.20 ± 0.04	0.73 ± 0.15*	1.51 ± 0.16**†	0.19 ± 0.08
Blood lactate (mm)	0.90 ± 0.11	0.87 ± 0.07	0.93 ± 0.08	0.93 ± 0.07

Values are mean ± s.e.m.; n = 10 except for lactate (n = 7).

^*P < 0.05 from pre-fast

^**P < 0.01 from pre-fast

^†P < 0.05 from 24 h fast.