beta-glucan
noun
beta-glu·can
ˈbā-tə-ˈglü-ˌkan 
-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
All oats contain a special type of fiber called beta-glucan, which may aid digestion.
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Regina Windsor, Verywell Health, 8 Jan. 2026
Fiber, omega-3 fatty acids, polyphenols, lignans Oatmeal is naturally high in soluble fiber, especially beta-glucan, a type of fiber that forms a gel in the digestive tract and helps reduce cholesterol absorption.
—Caitlin Beale, Health, 7 Jan. 2026
The serum’s star ingredient is a proprietary 4-CLGN complex that combines hydrating beta-glucan with signaling and neurotransmitter-inhibiting peptides.
—Kathleen Baird-Murray, Vogue, 6 Jan. 2026
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Regina Windsor, Verywell Health, 8 Jan. 2026
Fiber, omega-3 fatty acids, polyphenols, lignans Oatmeal is naturally high in soluble fiber, especially beta-glucan, a type of fiber that forms a gel in the digestive tract and helps reduce cholesterol absorption.
—Caitlin Beale, Health, 7 Jan. 2026
The serum’s star ingredient is a proprietary 4-CLGN complex that combines hydrating beta-glucan with signaling and neurotransmitter-inhibiting peptides.
—Kathleen Baird-Murray, Vogue, 6 Jan. 2026
Cite this Entry
“Beta-glucan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/beta-glucan. Accessed 12 Jan. 2026.
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