Question: what is the difference between catalase and coagulase test?
Answer: Catalase is an enzyme that converts hydrogen peroxide to water and oxygen gas. ... This test assays for the presence of coagulase, an enzyme that coagulates blood plasma, and can differentiate between Staphylococcus aureus (coagulase positive) and Staphylococcus epidermidis (coagulase negative).