Pyroglutamic acidosis Deranged Physiology Glutathione redox cycle. Glutathione (GSH) is synthesized from the Download Scientific Diagram Influence of exogenous ascorbic acid and glutathione priming on mitochondrial structural and functional systems to alleviate aging damage in oat seeds BMC Plant Biology Springer Nature Link Ascorbate and Glutathione: The Heart of the Redox Hub1 TJ. Glutathione peroxidase is an important enzyme in cellular antioxidant defense systems, detoxifying peroxides and hydroperoxides. As a component of the glutathione cycle, it protects the liver from reactive oxygen metabolites. Selenocysteine