How to Use quercetin in a Sentence

quercetin

noun
  • Red onions contain more quercetin.
    — Sheah Rarback, Miami Herald, 18 Dec. 2025
  • The amount of quercetin in wines also varies greatly, the researchers note.
    — Sara Moniuszko, CBS News, 20 Nov. 2023
  • Buckwheat is also good for the heart due to being rich in flavonoids like rutin and quercetin.
    — Daryl Austin, USA TODAY, 9 Dec. 2024
  • This is because quercetin helps transport zinc into the center of cells.
    — Allison Futterman, Discover Magazine, 6 Mar. 2024
  • But researchers do know one factor that influences how much quercetin is found in red wine.
    — Maggie O'Neill, Verywell Health, 4 Dec. 2023
  • Other sources of quercetin include citrus fruits, apples, tea and red wine.
    — Darlene Zimmerman, Detroit Free Press, 31 July 2021
  • Other sources of quercetin include citrus fruits, apples, tea, and red wine.
    — Darlene Zimmerman, Detroit Free Press, 22 Feb. 2020
  • Moreover, quercetin aids in delivering zinc to cells where it is most required.
    — Amber Smith, Discover Magazine, 5 Mar. 2023
  • But when alcohol is added to the mix, quercetin can cause headaches, Waterhouse said.
    — María Luisa Paúl, Washington Post, 23 Nov. 2023
  • Why do some but not others get headaches while metabolizing quercetin?
    — Stephanie Breijo, Los Angeles Times, 22 Nov. 2023
  • Fortunately for wine lovers, there are varying amounts of quercetin in different kinds of wines.
    — Danielle Sinay, Glamour, 30 Nov. 2023
  • This flavanol is called quercetin and it is found in multiple types of fruits and vegetables, including grapes.
    — Laura Baisas, Popular Science, 23 Nov. 2023
  • Wines from especially sunny climates tend to have more quercetin, since it's formed in response to sunlight.
    — Danielle Sinay, Glamour, 30 Nov. 2023
  • Tomatoes, kale, apples and tea are loaded with quercetin, but no health benefit was registered for that flavonol.
    — Gary Stix, Scientific American, 30 Jan. 2020
  • Specifically, chia seeds contain quercetin and chlorogenic acid.
    — Anthea Levi, Health, 16 Jan. 2026
  • Apples Apples are a rich source of chlorogenic acid and flavonoids like quercetin, found primarily in the skin.
    — Brian Mastroianni, Health, 28 June 2026
  • Apples Apples are a rich source of chlorogenic acid and flavonoids like quercetin, found primarily in the skin.
    — Brian Mastroianni, Health, 5 Dec. 2025
  • Apples Apples are a rich source of chlorogenic acid and flavonoids like quercetin, found primarily in the skin.
    — Brian Mastroianni, Health, 5 Dec. 2025
  • Zinc and Amino Acids protect skin from even more stress while the polyphnol quercetin stimulates skin repair.
    — Barret Wertz, GQ, 14 May 2018
  • While more research is needed, quercetin may also play a role in cancer prevention by inhibiting the growth of cancer cells.
    — Darlene Zimmerman, Detroit Free Press, 21 Dec. 2019
  • The quercetin in black and red grapes has been shown to protect against neurodegenerative diseases, such as Alzheimer's.
    — Cynthia Sass, Mph, Health.com, 25 Oct. 2019
  • Quercetin The flavonoid quercetin is primarily found in apples, berries, tomatoes, onions, garlic, and lettuce.
    — Melissa Nieves, Verywell Health, 2 May 2025
  • This led the team to theorize that RWH may occur after quercetin found in wine leads to a build-up of acetaldehyde.
    — Maggie O'Neill, Verywell Health, 4 Dec. 2023
  • Enjoying an apple pre-workout may help boost endurance, thanks to the antioxidant quercetin, which helps make oxygen more available to the lungs.
    — Ashleigh Spitza, Milwaukee Journal Sentinel, 11 Oct. 2017
  • When consumed, quercetin impedes how the body metabolizes alcohol, which can start to buildup of the toxin acetaldehyde.
    — Danielle Sinay, Glamour, 30 Nov. 2023
  • Fourteen people with the fatal lung disease idiopathic pulmonary fibrosis took a mix of the drugs dasatinib and quercetin for three weeks.
    — San Diego Union-Tribune, 10 July 2019
  • So Napa Valley Cabernets, for instance, will have more quercetin since the grapes are grown with clusters exposed to the sun.
    — Jennifer Ouellette, Ars Technica, 20 Nov. 2023
  • Grapes Grapes have beneficial plant compounds called polyphenols, such as anthocyanins (found in red, purple, and blue grapes) and quercetin.
    — Merve Ceylan, Health, 22 Sep. 2025
  • Potato peels also contain quercetin, a type of flavonol, which may help support the immune system by reducing inflammation.
    — Jamie Johnson, Verywell Health, 30 July 2024
  • Potato peels also contain quercetin, a type of flavonol, which may help support the immune system by reducing inflammation.
    — Barbie Cervoni, Verywell Health, 24 Nov. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'quercetin.' 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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