Main Reaction: 2 Reduced glutathione (GSH) + H2O2 >> Oxidized glutathione (GSSG) + 2 H2O

Reference: PubMed ID: 2112982
Authors: Gessner T, Vaughan LA, Beehler BC, Bartels CJ, Baker RM
Title: Elevated pentose cycle and glucuronyltransferase in daunorubicin-resistant P388 cells.
Published: 1990 Jul 1

2 Reduced glutathione (GSH) + H2O2 --> Oxidized glutathione (GSSG) + 2 H2O