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

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

Improve Gut Health Oats are a source of insoluble and soluble fiber, like beta-glucan, a component of nutrient-rich complex carbohydrates. — Randi Gollin, Martha Stewart, 1 July 2026

This antioxidant ingredient contains beta-glucan and soaks into the skin to smooth fine lines. — Caley Sturgill, Southern Living, 26 June 2026

Word History

First Known Use

1966, in the meaning defined above

Rhymes for beta-glucan

• interleukin
• glucan
• lukan

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)