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 blend of magnesium PCA, zinc PCA, and sodium PCA supports your skin barrier, while glycerin draws in moisture, and beta-glucan hydrates like a pro. Annie Blackman, Allure, 30 July 2025 Oats also contain fiber, iron, and beta-glucan, a soluble fiber supporting heart and digestive health.4 Soybeans are an excellent source of protein. Lauren Panoff, Verywell Health, 29 July 2025 Seaweed, particularly sugar kelp, naturally fills these gaps with a potent mix of insoluble fibers such as fucoidan, beta-glucan, alginate, and cellulose. Dianne Plummer, Forbes.com, 18 July 2025 Certain grains are particularly high in fiber, especially beta-glucan, a soluble fiber that helps improve cholesterol and blood sugar levels. Morgan Pearson, Verywell Health, 10 July 2025 This antioxidant ingredient contains beta-glucan and soaks into the skin to smooth fine lines. Caley Sturgill, Southern Living, 22 June 2025 Secondly, that mycelium lacks beneficial compounds like beta-glucans, which are known for certain potential immune-boosting properties and are more plentiful in fruiting bodies. Mattha Busby, Los Angeles Times, 18 June 2025 Overnight Oats Overnight oats are easy to prepare and high in a kind of soluble fiber called beta-glucan, which may lower heart disease risk factors like high cholesterol and blood pressure. Jillian Kubala, Health, 16 June 2025 Read More: Why Your Breakfast Should Start With a Vegetable Some fiber supplements, such as psyllium husk and beta-glucans, have been shown to support health by improving cholesterol, digestion, and blood sugar levels, says Phillips. Perri Ormont Blumberg, Time, 5 June 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 10 Aug. 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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