Table 4.

Oxidative stress parameters.

	Depression	Percent	Nondepression	p-value
Protein carbonylation (nmol/mg/protein)
Before	0.30±0.07		0.14±0.03	>0.05
After	0.16±0.04*	46%	0.13±0.02	<0.01
Nitric oxide (umol/mg/protein)
Before	28.2 ±2		5.56±2.8*	<0.05
After	11.7±3.5*	60%	12.8±2.5*	<0.001
Glutathione (umol/mg/protein)
Before	1.54±0.07		2.97±0.08	>0.05
After	4.17±0.8*	170%	2.88±0.03	<0.01
Superoxide dismutase (U/mg/protein)
Before	0.5±0.01		1.3±0.2	>0.05
After	1.3±0.3*	160%	1.44±0.3	<0.05

Legends: The symbol (*) indicates intragroup significant differences (p<0.05).