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The human organism’s antioxidant defense mechanism involves a cooperative interaction between enzymatic and non-enzymatic antioxidant systems to collectively shield the cells and organ systems from harm caused by free radical damage. ROS—reactive oxygen species, SOD—Superoxide dismutase, GSH—reduced glutathione, GSSG—oxidized glutathione, GSH-Px—Glutathione peroxidase, GSH-R—Glutathione reductase.
