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peroxidase Definition

per·oxi·dase (pər äksi dās′)

noun

any oxidoreductase enzyme that acts as a catalyst in reactions in which a peroxide is reduced

Etymology: per- + oxidase

peroxidase Usage Examples

Preposition: from

  • tuberculosis: Structural studies of novel peroxidases from Mycobacterium tuberculosis and Trypanosoma cruzi.

Converse of object

  • call: There is a third natural antioxidant enzyme called, glutathione peroxidase which also reduces hydrogen peroxide to water.
  • make: Selenium is needed to make the antioxidant glutathione peroxidase and makes the blood less sticky.

Adjective modifier

  • ascorbate: In addition to non-enzymatic scavenging, ascorbate also detoxifies H 2 O 2 through the enzymatic reaction of ascorbate peroxidase ( APX ).

Modifies a noun

  • activity: What should be done if the peroxidase activity is too little?
  • enzyme: They then mixed it with a range of man-made chemicals that are known to be broken down by peroxidase enzymes.
  • reaction: The interacting cyclooxygenase and peroxidase reaction pathways are complex.
  • pathway: The interacting cyclooxygenase and peroxidase reaction pathways are complex.
  • detection: Carcinoembryonic antigen in adenocarcinoma of colon, peroxidase detection.
  • system: Glutathione is a potent antioxidant and a key component of the glutathione peroxidase enzyme system.

Noun used with modifier

  • glutathione: There is a third natural antioxidant enzyme called, glutathione peroxidase which also reduces hydrogen peroxide to water.
  • enzyme: This dosage induces optimum levels of the antioxidant enzyme glutathione peroxidase in the lungs.
  • novel: Structural studies of novel peroxidases from Mycobacterium tuberculosis and Trypanosoma cruzi.
  • antioxidant: This dosage induces optimum levels of the antioxidant enzyme glutathione peroxidase in the lungs.
  • leaf: Analysis of leaf peroxidases in 14 provenances of A. tortilis was carried out in collaboration with Dr. Peter Brain in South Africa.
  • plant: These bifunctional catalases are closely related to plant peroxidases.