Table 2

Calorimetric parameters of standard-fed rats.

Groups

Calorimetric parameters

C

C-Olive

C-Oleuropein

C-Cafeic

VO₂ (ml/min)

3.80 ± 0.06

4.77 ± 0.37^a

3.44 ± 0.09^b

4.45 ± 0.26^ac

VCO₂ (ml/min)

2.35 ± 0.001

2.36 ± 0.002^a

2.37 ± 0.002^ab

2.38 ± 0.002^abc

RQ

0.63 ± 0.04

0.54 ± 0.04^a

0.78 ± 0.03^b

0.60 ± 0.03^c

RMR (kcal/h)

1.07 ± 0.02

1.21 ± 0.09^a

0.97 ± 0.04^ab

1.18 ± 0.06^ac

VO₂/body weight (ml/h.kg)

11.58 ± 1.78

13.46 ± 1.45

10.13 ± 1.21^b

12.02 ± 1.17

VO₂/surface area (mL/h.g^0.7)

3.94 ± 0.42

4.69 ± 0.38^a

3.49 ± 0.31^a

4.25 ± 0.33^b

RQ/body weight

0.19 ± 0.03

0.15 ± 0.02^a

0.23 ± 0.02^b

0.16 ± 0.01^c

RQ/surface area

1.10 ± 0.02

0.88 ± 0.08^a

1.31 ± 0.1^ab

0.95 ± 0.07^c

RMR/body weight (kcal/h.kg)

3.25 ± 0.04

3.44 ± 0.55

2.85 ± 0.36

3.19 ± 0.30

Fat oxidation (mg/min)

3.50 ± 0.39

5.55 ± 0.49^a

1.92 ± 0.35^ab

4.55 ± 0.64^abc

Carbohydrate oxidation (mg/min)

Not detected

Not detected

0.64 ± 0.33

Not detected

Energy Balance (kcal/day)

49.65 ± 5.51

50.90 ± 8.86

52.49 ± 7.37

54.66 ± 9.92

Values are given as mean ± SD.

C, control rats receiving saline; C-Olive, standard-fed rats receiving olive oil; C-Oleuropein, standard-fed rats receiving oleuropein; C-Cafeic, standard-fed rats receiving cafeic acid; VO₂ oxygen consumption; VCO₂, dioxide carbon production; RQ, respiratory quotient; RMR, resting metabolic rate.

^ap < 0.05 vs. C group.

^b p < 0.05 vs. C-Olive group.

^c p < 0.05 vs. C-Oleuropein group.

Ebaid et al. Nutrition Journal 2010 9:46   doi:10.1186/1475-2891-9-46