Potential Antioxidant Activity of New Tetracyclic and Pentacyclic Nonlinear Phenothiazine Derivatives

Table 2

In vivo antioxidant activity ad liver parameters expressed in mean ± SE.

Group	1	2	3	4	value
Catalase (% inhibition)	77.89 ± 3.26	58.86 ± 6.46	71.90 ± 1.45	71.09 ± 1.87	0.016
Malondialdehyde (MDA) (µM)	3.77 ± 0.20	4.01 ± 0.15	4.15 ± 0.15	4.27 ± 0.55	0.583
ALT (U/L)	96.20 ± 3.19	96.20 ± 3.00	99.40 ± 6.98	108 ± 8.55	0.605
AST (U/L)	82.95 ± 1.63	96.50 ± 5.30	92.76 ± 3.04	93.53 ± 3.54	0.062
Bilirubin (mg/dL)	3.47 ± 0.09	3.52 ± 0.22	2.73 ± 0.61	3.37 ± 0.09	0.504

a superscript implies significant difference with group 4 (normal control).