单词	catalase
释义	catalase noun cat·​a·​lase ˈka-tə-ˌlās  -ˌlāz : a red crystalline enzyme that consists of a protein complex with hematin groups and catalyzes the decomposition of hydrogen peroxide into water and oxygen catalatic ˌka-tə-ˈla-tik  adjective Example Sentences Recent Examples on the Web Are there any conditions that eliminate the catalase activity? Svenja Lohner, Scientific American, 10 Nov. 2016 In fact, the catalase reaction is dependent on the substrate concentration. Svenja Lohner, Scientific American, 10 Nov. 2016 Blood and most of our cells contain an enzyme called catalase. Dr. Michael Daignault, USA TODAY, 24 Feb. 2022 Certain cells in the small intestine have high amounts of catalase, an enzyme that breaks down hydrogen peroxide to release oxygen. Pratibha Gopalakrishna, STAT, 26 Aug. 2020 Yeast is an organism that contains a special chemical called catalase that can act as a catalyst to help break down hydrogen peroxide. Ben Finio, Scientific American, 1 Aug. 2019 Normally, catalase is one of the most efficient enzymes in the human body, capable of decomposing of millions of hydrogen peroxide molecules every second. David Grossman, Popular Mechanics, 28 May 2019 See More Word History Etymology catalysis First Known Use 1901, in the meaning defined above Medical Definition catalase noun cat·​a·​lase ˈkat-ᵊl-ˌās, -ˌāz  : a red crystalline enzyme that consists of a protein complex with hematin groups and catalyzes the decomposition of hydrogen peroxide into water and oxygen
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