Table 3

Calorimetric parameters of obese rats.

Groups

Calorimetric parameters

Ob

Ob-Olive

Ob-Oleuropein

Ob-Cafeic

VO₂ (ml/min)

3.46 ± 0.11

3.60 ± 0.27

3.78 ± 0.23

4.00 ± 0.14^ab

VCO₂ (ml/min)

2.49 ± 0.002

2.47 ± 0.002^a

2.47 ± 0.014^a

2.48 ± 0.005^c

RQ

0.84 ± 0.03

0.64 ± 0.03^a

0.70 ± 0.11^a

0.66 ± 0.03^a

RMR (kcal/h)

0.97 ± 0.01

0.97 ± 0.04

1.05 ± 0.06

0.42 ± 0.07^abc

VO₂/body weight (ml/h.kg)

8.75 ± 0.53

9.39 ± 1.35

9.49 ± 0.88

10.12 ± 0.93

VO₂/surface area (ml/h.g^0.7)

3.15 ± 0.12

3.35 ± 0.42

3.43 ± 0.29

3.64 ± 0.27

RQ/body weight

0.21 ± 0.02

0.16 ± 0.01^a

0.17 ± 0.02^a

0.17 ± 0.01^a

RQ/surface area

1.28 ± 0.10

0.99 ± 0.08^a

1.06 ± 0.16^a

1.00 ± 0.07^a

RMR/body weight (kcal/h.kg)

2.46 ± 0.23

2.54 ± 0.34

2.63 ± 0.27

1.06 ± 0.23^abc

Fat oxidation (mg/min)

1.38 ± 0.28

3.31 ± 0.57^a

2.85 ± 1.26^a

3.42 ± 0.42^a

Carbohydrate oxidation (mg/min)

1.19 ± 0.25

Not detected

Not detected

Not detected

Energy Balance (kcal/day)

62.93 ± 4.27

62.42 ± 4.60

63.11 ± 4.57

76.55 ± 5.05^abc

Values are given as mean ± SD.

Ob, Obese rats receiving saline; Ob-Olive, obese rats receiving olive oil; Ob-Oleuropein, obese rats receiving oleuropein; Ob-cafeic, obese rats receiving cafeic acid; VO₂, oxygen consumption; VCO₂, dioxide carbon production; RQ, respiratory quotient; RMR, resting metabolic rate.

^ap < 0.05 vs. Ob group.

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

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

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