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Table 5 The influence of the test meals on postprandial energy expenditure and substrate oxidation (n = 6)

From: Reduced postprandial energy expenditure and increased exogenous fat oxidation in young woman after ingestion of test meals with a low protein content

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

 
  1. 1Calculated as sum of postprandial values over 6 h – (fasting value per h × 6).
  2. 2Calculated as exogenous FO – postprandial FO.
  3. 3Based on 13CO2 breath test.
  4. 4ns = p > 0.05.