Research Article

Assessment of Water Pollution Signs in the Brazilian Pampa Biome Using Stress Biomarkers in Fish (Astyanax sp.)

Figure 4

Activity of antioxidant enzymes in fish exposed or not to the polluted water. (a) GPx activity in muscle and (b) brain. (c) GR activity in muscle and (d) brain. (e) TrxR activity in muscle and (f) brain. Data are presented as mean ± standard deviation of enzymatic activity expressed in mU/mg total protein. .