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Effect of different salt concentrations on classical antioxidant and heme oxygenase enzyme activities: (a) catalase, (b) superoxide dismutase, and (c) heme oxygenase. Enzymes activities were measured as described in Experimental section. Values are the means of four different experiments (n = 4), and bars indicate SD, *significant differences (P < .05) compared to control, according to Tukey's multiple range test.
