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Table 1 Body composition, plasma non esterified fatty acids and resting metabolic rate in adult and old rats

From: Alterations in proton leak, oxidative status and uncoupling protein 3 content in skeletal muscle subsarcolemmal and intermyofibrillar mitochondria in old rats

 

Adult

Old

Body weight, g

492 ± 10

598 ± 26*

Body energy, kJ/100 g

1010 ± 24

1098 ± 21*

Body lipids, kJ/100 g

650 ± 20

862 ± 23*

Body proteins, kJ/100 g

374 ± 22

240 ± 10*

Plasma non esterified fatty acids, mM

0.49 ± 0.05

0.96 ± 0.04*

Fed resting metabolic rate, μmol oxygen/(min x g protein)

9.3 ± 0.2

7.4 ± 0.2*

Fasting resting metabolic rate, μmol oxygen/(min x g protein)

8.0 ± 0.2

6.0 ± 0.2*

  1. Values are the means ± SEM of eight different rats. *P < 0.05 compared to adult rats.