peroxidase
noun
per·ox·i·dase
pə-ˈräk-sə-ˌdās 
-ˌdāz
: an enzyme that catalyzes the oxidation of various substances by peroxides
Examples of peroxidase in a Sentence
Recent Examples on the Web
Antioxidant enzymes like glutathione peroxidase in selenium help protect liver cells from damage by reducing unstable oxygen molecules.
—
Devineé Lingo, M.s., Rdn, Health, 9 Sep. 2024
The black garlic treatment increased blood levels of the antioxidant enzymes glutathione peroxidase (GSH-Px) and superoxide dismutase (SOD), suggesting that black garlic helps boost the body's antioxidant defenses, which may improve the health and functioning of the heart.
—Jillian Kubala, Rd, Health, 2 July 2024
The horseradish peroxidase reaction’s byproduct then turns the solution red.
—IEEE Spectrum, 5 June 2014
Erythrocyte reduced glutathione levels, erythrocyte glutathione peroxidase and superoxide dismutase activities were significantly increased in the rats kept in the pyramid as compared to the other two groups.
—Ncbi Rofl, Discover Magazine, 22 Feb. 2012
Antibodies to thyroid peroxidase are found in about 20% of healthy women, up to 40% of people with Type 1 diabetes, and in 90% to 100% of people with autoimmune thyroiditis (Hashimoto’s thyroiditis).
—Dr. Keith Roach, oregonlive, 10 June 2022
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Devineé Lingo, M.s., Rdn, Health, 9 Sep. 2024
The black garlic treatment increased blood levels of the antioxidant enzymes glutathione peroxidase (GSH-Px) and superoxide dismutase (SOD), suggesting that black garlic helps boost the body's antioxidant defenses, which may improve the health and functioning of the heart.
—Jillian Kubala, Rd, Health, 2 July 2024
The horseradish peroxidase reaction’s byproduct then turns the solution red.
—IEEE Spectrum, 5 June 2014
Erythrocyte reduced glutathione levels, erythrocyte glutathione peroxidase and superoxide dismutase activities were significantly increased in the rats kept in the pyramid as compared to the other two groups.
—Ncbi Rofl, Discover Magazine, 22 Feb. 2012
Antibodies to thyroid peroxidase are found in about 20% of healthy women, up to 40% of people with Type 1 diabetes, and in 90% to 100% of people with autoimmune thyroiditis (Hashimoto’s thyroiditis).
—Dr. Keith Roach, oregonlive, 10 June 2022
Dictionary Entries Near peroxidase
Cite this Entry
“Peroxidase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peroxidase. Accessed 21 Nov. 2024.
Copy CitationMedical Definition
peroxidase
noun
per·ox·i·dase
pə-ˈräk-sə-ˌdās, -ˌdāz
: an enzyme occurring especially in plants, milk, and white blood cells and consisting of a protein complex with hematin groups that catalyzes the oxidation of various substances by peroxides
Love words? Need even more definitions?
Merriam-Webster unabridged
Share