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Table 1 Normal aerobic metabolism oxidizing and antioxidizing systems

From: Endothelial dysfunction: a comprehensive appraisal

OXIDIZING SYSTEMS ANTIOXIDIZING SYSTEMS
Oxidant byproducts Enzymatic antioxidants
Superoxide Anion (O2-) Superoxide dismutase
Hydrogen Peroxide (H2 O2) Glutathione peroxidase
Hydroxyl radical (HO) Catalase
Hypochlorous acid (HOCl)  
Lipid radicals  
Enzimatic oxidants Lipid-soluble antioxidants
Dehidrogenase Xantine Vitamin E
NADPH oxidase β-Carotene
Mieloperoxidase  
Monoamino oxidase Water-soluble antioxidants
ON synthetase Vitamin C