glucan

noun

glu·​can ˈglü-ˌkan How to pronounce glucan (audio) -kən How to pronounce glucan (audio)
: a polysaccharide (such as glycogen or cellulose) that is a polymer of glucose

Examples of glucan in a Sentence

Recent Examples on the Web
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.
The formula also contains beta glucan, an antioxidant-rich humectant to encourage skin to retain moisture. Bea McMonagle, Forbes, 30 Dec. 2024 Key Ingredients: Beta glucan, niacinamide, peptides Size: 1.7 fl. Deanna Pai, Vogue, 10 Aug. 2024 There's no actual milk in here — just ceramides (fatty acids that help the skin retain moisture), magnesium (to reduce skin inflammation), and beta glucan (a hydrator akin to hyaluronic acid). Megan Decker, refinery29.com, 25 Jan. 2024 Through an extensive extraction process, the supplements are formulated to optimize the bio-availability of immune-supporting beta glucans. Amber Smith, Discover Magazine, 4 Aug. 2023 This is thanks to the beta glucans in oatmeal—a form of soluble fiber. Casey Seidan, Ms, Rdn, Cdn, Health, 27 June 2023 Its list of nourishing ingredients includes beta glucan (which helps to reduce the appearance of fine lines and wrinkles), hibiscus (which protects against free-radical damage), and mastic (which helps to mattify and refine skin throughout the day). Talia Ergas, Travel + Leisure, 10 July 2023 Beta glucans work by impacting digestion and absorption of dietary fats and lowering levels of total cholesterol and LDL in your blood.8 By affecting these processes, beta glucagons can help lower the risk for heart disease. Casey Seidan, Ms, Rdn, Cdn, Health, 27 June 2023 Also included are antioxidant-rich beta glucan and phospholipids to deeply hydrate and boost the skin’s barrier. Tatjana Freund, ELLE, 30 Nov. 2022

Word History

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of glucan was in 1941

Dictionary Entries Near glucan

Cite this Entry

“Glucan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glucan. Accessed 18 Jan. 2025.

Medical Definition

glucan

noun
glu·​can ˈglü-ˌkan How to pronounce glucan (audio) -kən How to pronounce glucan (audio)
: a polysaccharide (as glycogen or cellulose) that is a polymer of glucose
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