. Author manuscript; available in PMC: 2007 Sep 21.

Published in final edited form as: Br J Nutr. 2003 Nov;90(5):969–977. doi: 10.1079/bjn2003980

Table 6.

Thermodynamic degree of coupling (q) and optimal efficiency (η_opt) of the oxidative phosphorylation in liver isolated mitochondria from pair-fed (PF), control (CON) and dexamethasone (DEX)-treated rats. (Values expressed as mean ± standard deviation for eight rats per group)

Respiratory substrates	Parameters	DEX-treated	PF	CON	ANOVA
Glutamate	q	0.903 ± 0.044	0.896 ± 0.040	0.942 ± 0.013	NS
	η_opt	0.413 ± 0.092	0.396 ± 0.080	0.500 ± 0.039	NS
Succinate	q	0.896 ± 0.019^‡^**	0.923 ± 0.022	0.922 ± 0.011	P < 0.05
	η_opt	0.387 ± 0.038^‡^**	0.451 ± 0.052	0.439 ± 0.028	P < 0.05
Ascorbate/TMPD	q	0.656 ± 0.028^†^*	0.708 ± 0.024	0.706 ± 0.028	P < 0.005
	η_opt	0.140 ± 0.016^†^*	0.173 ± 0.016	0.173 ± 0.018	P < 0.005

^**

P < 0.05 vs. PF;

^‡

P < 0.05 vs. CON;

P < 0.01 vs. PF;

^†

P < 0.01 vs. CON.

NS: not significant.

For details of procedures see materials and methods section.