glucan

noun

glu·​can ˈglü-ˌkan  -kən 

: a polysaccharide (such as glycogen or cellulose) that is a polymer of glucose

Examples of glucan in a Sentence

Recent Examples on the Web

Barley Barley contains a soluble fiber called beta-D-glucan, according to Li. — Andrea Margolis, FOXNews.com, 21 Apr. 2026

Could Lower Risk of Cancer Preliminary research suggests that glucan, a complex carbohydrate found in black beans, may inhibit the growth of certain cancer cells and could be useful as an adjunct cancer treatment. — Nancy Lebrun, Verywell Health, 7 Feb. 2026

Fungi fossils preserved in the chert contained compounds from the breakdown of chitin and glucan, key structural molecules in fungi. — Katie Hunt, CNN Money, 5 Feb. 2026

As glutathione, niacinamide, and vitamin C help brighten, ingredients like cica and beta glucan work to calm and hydrate, making this serum a well-rounded formula for any skin-care routine. — Emily Orofino, Vogue, 19 Nov. 2025

To soothe, hydrate, and support the skin barrier, this nourishing formula has colloidal oatmeal and beta glucan. — Lisa Desantis, Glamour, 6 Aug. 2025

The food can also help prevent type 2 diabetes and lower blood sugar and cholesterol levels due to the presence of beta glucan, a type of soluble dietary fiber. — Angelica Stabile, Fox News, 13 Jan. 2025

The formula also contains beta glucan, an antioxidant-rich humectant to encourage skin to retain moisture. — Bea McMonagle, Forbes, 30 Dec. 2024

There's no actual milk in here — just ceramides (fatty acids that help the skin retain moisture), magnesium (to reduce skin inflammation), and beta glucan (a hydrator akin to hyaluronic acid). — Megan Decker, refinery29.com, 25 Jan. 2024

Word History

First Known Use

1941, in the meaning defined above

Phrases Containing glucan

• beta-glucan

Rhymes for glucan

• lukan
• interleukin

Medical Definition

glucan

noun

glu·​can ˈglü-ˌkan  -kən 

: a polysaccharide (as glycogen or cellulose) that is a polymer of glucose