How to Use oxidase in a Sentence

oxidase

noun
  • This is due to polyphenol oxidase, an enzyme found in potatoes (and many other vegetables).
    — Kirsten Nunez, Martha Stewart, 4 Feb. 2026
  • The acidity of the juice will hinder the activity of polyphenol oxidase, which pumps the brakes on browning.
    — Kirsten Nunez, Martha Stewart, 10 Jan. 2026
  • Scientists use a gene from bread wheat that produces an enzyme called oxalate oxidase, which prevents the fungus from forming cankers on plant stems.
    — Hank Campbell, WSJ, 19 June 2019
  • The reason this happens is because apples contain an enzyme called polyphenol oxidase.
    — Lisa Cericola, Southern Living, 16 Aug. 2023
  • Bananas contain something called polyphenol oxidase, which seems to impact the absorption of flavanols in your body.
    — Korin Miller, SELF, 5 Nov. 2025
  • The culprit is an enzyme called polyphenol oxidase, or PPO, which is abundant in bananas.
    — Allison Palmer june 9, Sacbee.com, 9 June 2026
  • The culprit is an enzyme called polyphenol oxidase, or PPO, which is abundant in bananas.
    — Allison Palmer updated June 13, Sacbee.com, 13 June 2026
  • MAOIs Monoamine oxidase inhibitors are an older class of drugs used to treat depression.
    — Karen Berger, Pharmd, Verywell Health, 20 Feb. 2025
  • From this tissue, the lab sequences a section of a gene known as cytochrome c oxidase subunit 1, or CO1.
    — Elizabeth Kolbert, The New Yorker, 13 Mar. 2023
  • Another enzyme goes to work — glucose oxidase — which converts some of the glucose into gluconic acid that will help preserve the honey.
    — Berly McCoy, Smithsonian Magazine, 25 Oct. 2021
  • In the case of avocados, and many other fruits, polyphenol oxidase changes the chemical structure of phenols when they're exposed to oxygen.
    — Kirsten Nunez, Martha Stewart, 10 Jan. 2026
  • But many other plants, including bananas, strawberries and wheat, avoid that fate by producing an enzyme called oxalate oxidase that breaks down the toxin.
    — BostonGlobe.com, 30 Aug. 2022
  • The study focuses on how bananas, which are high in polyphenol oxidase, can decrease the absorption of flavan-3-ols, which are a type of flavonoids that boast many health benefits.
    — Heather Riske, Better Homes & Gardens, 13 Jan. 2026
  • Iproniazid, an amine oxidase inhibitor, as an example of a psychic energizer.
    — Rebecca Kreston, Discover Magazine, 27 Jan. 2016
  • Elevated triglycerides and a fatty acid called palmitate also impaired an enzyme called lysyl oxidase, which maintains the structure of the aortic wall, the team found.
    — Brianna Abbott, STAT, 7 Apr. 2026
  • Brannan has studied the browning process in pawpaws, which involves polyphenol oxidase, the same enzyme that gives cut apples and avocados their muddy color.
    — Yasmin Tayag, The Atlantic, 4 Oct. 2022
  • When exposed to air, polyphenol oxidase undergoes a series of chemical reactions that produce melanin, a brownish pigment.
    — Kirsten Nunez, Martha Stewart, 4 Feb. 2026
  • Lactate oxidase, for example, breaks lactate into pyruvate and peroxide.
    — IEEE Spectrum, 22 Oct. 2014
  • The filament, which is coated in a glucose-sensing enzymes like glucose oxidase, wears out over time and must be replaced every seven to 14 days, depending on the brand.
    — Jenna Schnuer, Fortune Well, 24 Feb. 2023
  • The container will provide another barrier against oxygen, while the cooler temps will further slow down polyphenol oxidase activity.
    — Kirsten Nunez, Martha Stewart, 10 Jan. 2026
  • In this particular case, however, the microneedles are coated with gold nanoparticles along with xanthine oxidase, which is an enzyme that breaks down HX.
    — New Atlas, 5 Dec. 2025
  • Because lactate oxidase affects only lactate, only more lactate can generate more electrons, so any change in lactate concentration shows up as a change in current through a sensing circuit.
    — IEEE Spectrum, 22 Oct. 2014
  • When printed on fabric and worn, pH indicators could lend insight into skin health or dehydration; lactate oxidase could measure a wearer’s fatigue levels.
    — Jillian Kramer, Scientific American, 3 July 2020
  • An enzyme called glucose oxidase, which bees add to nectar, turns glucose into gluconic acid and hydrogen peroxide when the honey is diluted (for example, by wound moisture or saliva).
    — New Atlas, 29 June 2025
  • The oxidase catalyzes a chemical reaction between alcohol and oxygen, and the products of that reaction create an electrical signal that the chip's sensor measures.
    — Nathaniel Scharping, Discover Magazine, 10 Apr. 2018
  • The mechanism is an enzyme called polyphenol oxidase, or PPO, abundant in bananas, which destroys flavanols both during blending and inside the stomach.
    — Allison Palmer, Charlotte Observer, 9 June 2026
  • The mechanism is an enzyme called polyphenol oxidase, or PPO, abundant in bananas, which destroys flavanols both during blending and inside the stomach.
    — Allison Palmer, Charlotte Observer, 9 June 2026
  • Cytochrome c oxidase is a gene sequence critical enough to be conserved and nearly identical across individuals, but slight variations mean the gene can be used to easily distinguish between species.
    — Lauren Leffer, Popular Science, 6 Nov. 2024
  • For instance, while several groups of scientists have found that glucose oxidase can produce electricity in biofuel cells implanted in lab rats, the enzyme also generates hydrogen peroxide, a common bleach.
    — Charles Q. Choi, The Atlantic, 12 Apr. 2018
  • According to Smithsonian Magazine, bees have an enzyme in their stomachs called glucose oxidase, which mixes with nectar and breaks down into gluconic acid and hydrogen peroxide.
    — USA TODAY, 28 June 2023

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'oxidase.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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