Cross sectional Diagram of an Antioxidant System within a Cell. it Illustrates Stock Illustration Illustration of interacting, glutathione: 416166433 Reactive oxygen species clearance MedLink Neurology First line defence antioxidants superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPX): Their fundamental role in the entire antioxidant defence grid ScienceDirect Glutathione metabolism. The activity of catalase and peroxidase enzymes Download Scientific Diagram Several lines of antioxidant defense against oxidative stress: antioxidant enzymes, nanomaterials with multiple enzyme mimicking activities, and low molecular weight antioxidants Archives of Toxicology Springer Nature Link