. "The chemical reactions and pathways resulting in the breakdown of glutathione, the tripeptide glutamylcysteinylglycine, which acts as a coenzyme for some enzymes and as an antioxidant in the protection of sulfhydryl groups in enzymes and other proteins." . . . . . "glutathione catabolic process" . "glutathione breakdown" . "glutathione catabolism" . "glutathione degradation" . . .