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An enzyme that catalyses the reduction of hydrogen peroxide.
- ‘When the enzyme catalase is added to the hydrogen peroxide solution, the activation energy is lowered even further to 4 kJ / mol.’
- ‘Many of these enzymes, such as catalase and glutathione peroxidase, are constitutively active and protect the lungs against everyday insults.’
- ‘In addition, normal cell growth could be restored by addition of catalase to the medium, breaking down the hydrogen peroxide to oxygen and water.’
- ‘The most simple case of such a chemical reaction is the decomposition of hydrogen peroxide in the presence of the enzyme catalase inside the cell.’
- ‘In addition, the human body produces its own antioxidants that take the form of enzymes, including catalase, glutathione peroxidase, and superoxide dismutase.’
Early 20th century: from catalysis + -ase.
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