The reaction between metmyoglobin and hydrogen peroxide

Abstract

Transient complexes with well defined spectro- scopic characteristics play an important role in the reaction of the haemoprotein enzymes, catalase and peroxidase, with hydrogen peroxide. Two and sometimes three different complexes can be ob- served depending on the experimental conditions. For example, Keilin & Mann (1937) obtainedtwo red complexes with peroxidase and hydrogen peroxide, and later Theorell (1941) showed that a green com- plex preceded the formation of the first red complex.