beta-glucan

noun

beta-glu·​can ˈbā-tə-ˈglü-ˌkan How to pronounce beta-glucan (audio)
-kən
: any of several polysaccharides consisting of glucose units and including one found in endosperm cell walls of cereal grains (such as barley and oats)

Examples of beta-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 standout ingredient in this formula is beta-glucan, which deeply hydrates skin and strengthens its barrier. — Alanna Martine Kilkeary, Glamour, 13 Aug. 2026 Schwartz notes that mushrooms are especially notable for their beta-glucans, naturally occurring compounds that have been shown to support healthy immune function. — Olivia McIntosh, Martha Stewart, 6 Aug. 2026 Oatmeal’s beta-glucan fiber helps curb hunger, supports weight loss, and reduces harmful visceral fat. — Colleen Doherty, Verywell Health, 24 July 2026 When mixed with water during digestion, beta-glucan forms a gel-like substance that slows how quickly food leaves the stomach and how fast carbohydrates are absorbed into the bloodstream. — Brianna Tobritzhofer, Health, 23 July 2026 See All Example Sentences for beta-glucan

Word History

First Known Use

1966, in the meaning defined above

Time Traveler
The first known use of beta-glucan was in 1966

Rhymes for beta-glucan

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Browse Nearby Words

beta globulin
beta-glucan
beta hydroxy acid
See all Nearby Words

Cite this Entry

“Beta-glucan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/beta-glucan. Accessed 17 Aug. 2026.

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Medical Definition

beta-glucan

noun
: any of several polysaccharides consisting of glucose units and including one found in endosperm cell walls of cereal grains (as barley and oats)
Last Updated: - Updated example sentences
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