Enhancing the ascorbateglutathione cycle reduced fermentation by increasing NAD+ levels during broccoli head storage under controlled atmosphere ScienceDirect Methylglyoxal Detoxification Revisited: Role of Glutathione Transferase in Model Cyanobacterium Synechocystis sp. Strain PCC 6803 mBio Selenium nanoparticles and glutathione synergistically enhance soybean salt tolerance by activating the JA pathway and arbutin mediated rhizosphere microbiota EurekAlert! 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 Molecular Vision: De Donatis, Mol Vis 2010; 16:1025 1033. Figure 1 Disrupting Mitochondrial Pyruvate Uptake Directs Glutamine into the TCA Cycle away from Glutathione Synthesis and Impairs Hepatocellular Tumorigenesis: Cell Reports