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Table 3 The oxygen consumption, carbon dioxide production, RQ ratio and spontaneous motor activity

From: The effects on weight loss and gene expression in adipose and hepatic tissues of very-low carbohydrate and low-fat isoenergetic diets in diet-induced obese mice

  VLCD LFD P
n 8 8  
Body weight (g) 50.0 ± 0.6 51.6 ± 1.3 0.180
Dark cycle
VO2 (ml/min/kg0.75) 23.5 ± 0.9 21.3 ± 0.3 0.030
VCO2 (ml/min/kg0.75) 16.8 ± 0.6 20.1 ± 0.4 0.001
RQ 0.712 ± 0.001 0.944 ± 0.010 <0.001
Activity (count/min) 169 ± 10 234 ± 16 0.004
Glucose oxidation (mg/min/kg0.75) 0.78 ± 0.11 23.3 ± 1.1 <0.001
Lipid oxidation (mg/min/kg0.75) 11.3 ± 0.4 1.9 ± 0.3 <0.001
Energy production (J/min/kg0.75) 462 ± 17 441 ± 7 0.278
Light cycle
VO2 (ml/min/kg0.75) 18.2 ± 0.8 17.2 ± 0.2 0.229
VCO2 (ml/min/kg0.75) 13.2 ± 0.5 15.5 ± 0.1 0.001
RQ 0.726 ± 0.002 0.905 ± 0.011 <0.001
Activity (count/min) 64.8 ± 6.9 70.4 ± 5.7 0.540
Glucose oxidation (mg/min/kg0.75) 1.6 ± 0.2 15.6 ± 0.7 <0.001
Lipid oxidation (mg/min/kg0.75) 8.33 ± 0.37 2.72 ± 0.33 <0.001
Energy production (J/min/kg0.75) 358 ± 15 352 ± 4 0.738
  1. LFD low-fat diet, RQ respiratory quotient, VLCD very-low carbohydrate diet, VO 2 oxygen consumption; VCO2, carbon dioxide production