Main Reaction: GSH +H2O2 + ROOH >> GSSG + H2O + ROH

Reference: PubMed ID: 22535598
Authors: Hasanuzzaman M, Hossain MA, Fujita M
Title: Exogenous selenium pretreatment protects rapeseed seedlings from cadmium-induced oxidative stress by upregulating antioxidant defense and methylglyoxal detoxification systems.
Published: 2012 Nov

GSH + H2O2 + ROOH --> GSSG + H2O + ROH