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.
Promotes Gut Health Oatmeal's beta-glucan is a soluble fiber and a prebiotic with various digestive health benefits. Cristina Mutchler, Verywell Health, 4 Nov. 2025 Oat milk contains some fiber and heart-healthy beta-glucans, which aren’t found in cow's milk. Lindsey Desoto, Health, 4 Nov. 2025 It’s packed with calming ingredients like oat kernel extract, beta-glucan, and panthenol to support the skin barrier, while glycerin helps lock in moisture. Christa Joanna Lee, Allure, 30 Oct. 2025 Fruiting bodies contain higher concentrations of bioactive compounds like hericenones, erinacines, and beta-glucans, all of which are linked to benefits like brain and immune health. Brianna Peters, Vogue, 1 Oct. 2025 This antioxidant ingredient contains beta-glucan and soaks into the skin to smooth fine lines. Caley Sturgill, Southern Living, 22 Aug. 2025

Word History

First Known Use

1966, in the meaning defined above

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

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Cite this Entry

“Beta-glucan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/beta-glucan. Accessed 12 Nov. 2025.

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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