Abstract
Horseradish peroxidase (HRP) is an enzyme that exhibits the Fe(III) heme group as the catalytic center. The reaction with peroxides converts the enzyme to the high valence intermediates Compound I and II that are able to oxidize inorganic and organic molecules such as iodide, bromide, ascorbate, ferrocyanide, cytochrome C, phenols, aldehydes, the leuco form of many dyes and also the perox…