-ENZREV 1.8.5.1 -ENZIRREV 1.11.1.11 1.8.5.1 -METINT L-Ascorbate H2O2 H2O Glutathione oxidized_glutathione ascorbate -METEXT dehydroascorbate -CAT 1.11.1.11 : L-Ascorbate + H2O2 = dehydroascorbate + 2 H2O . 1.8.5.1 : 2 Glutathione + dehydroascorbate = oxidized_glutathione + ascorbate .