Table 5

The influence of the test meals on postprandial energy expenditure and substrate oxidation (n = 6)

Test meal
LP
AP
p <

Postprandial EE (kJ/6 h)
1356 ± 69
1516 ± 66
0.01
DIT (kJ/6 h)1
46.5 ± 5.7
134.6 ± 34.3
0.001
DIT (%)
9.0 ± 1.1
25.9 ± 6.6
0.001
RQ
0.87 ± 0.04
0.87 ± 0.03
ns4
Change in RQ
-0.01 ± 0.06
0.01 ± 0.05
ns
Postprandial PO (g/6 h)
14.9 ± 4.20
18.0 ± 4.2
ns
Change in PO (g/6 h)1
-1.50 ± 1.23
1.55 ± 1.29
0.001
Postprandial CO (g/6 h)
55.6 ± 17.8
58.7 ± 14.1
ns
Change in CO (g/6 h)1
-8.70 ± 27.65
6.77 ± 25.34
ns
Postprandial FO (g/6 h)
16.9 ± 7.5
16.8 ± 8.8
ns
Change in FO (g/6 h)1
0.55 ± 7.91
-1.50 ± 7.00
ns
Endogenous postprandial FO (g/6 h)2
12.6 ± 7.8
14.9 ± 9.2
ns
Exogenous postprandial FO (g/6 h)3
4.28 ± 1.57
1.87 ± 1.00
0.01
Contribution of exogenous postprandial FO of energy expenditure (kJ/6 h; % of postprandial EE)
169; 12
74; 5


1Calculated as sum of postprandial values over 6 h – (fasting value per h × 6).

2Calculated as exogenous FO – postprandial FO.

3Based on 13CO2 breath test.

4ns = p > 0.05.

Petzke and Klaus Nutrition & Metabolism 2008 5:25   doi:10.1186/1743-7075-5-25