blood enzyme amount blood glutathione peroxidase amount Trait.ontology The proportion, quantity, or volume in whole blood, serum, or plasma of this enzyme, which catalyzes the reaction of two glutathiones with H2O2, forming glutathione disulfide and two water molecules, and is a crucial enzyme in hydrogen peroxide detoxification. 2014-06-18T03:37:24Z CMO:0002442 caripark VT:0010630