Impact of AscorbateGlutathione Cycle Components on the Effectiveness of Embryogenesis Induction in Isolated Microspore Cultures of Barley and Triticale Glutathione Metabolism an overview ScienceDirect Topics Glutathione in liver diseases and hepatotoxicity. Semantic Scholar Full article: Gamma Glutamyl Transferase: The Silent Partner? 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 Frontiers Redox homeostasis via gene families of ascorbate glutathione pathway