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.
Oats Oats are packed with a type of soluble fiber called beta-glucan, which forms a gel in the gut and helps your body get rid of cholesterol, Abbott explained. Sherri Gordon, Health, 5 Dec. 2025 The grain is rich in beta-glucans, which clinical studies have repeatedly linked to better blood sugar regulation, cholesterol reduction, and a more stable microbiome. Desireé Oostland, Vogue, 4 Dec. 2025 Some examples of soluble fiber include pectin (found in fruits), beta-glucan (found in whole oats) and psyllium husk, which is a plant most often consumed as a supplement. Angelica Stabile, FOXNews.com, 15 Nov. 2025 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 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

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 14 Dec. 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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