xanthan gum

noun

xan·​than gum ˈzan-thən- How to pronounce xanthan gum (audio)
: a polysaccharide that is produced by fermentation of carbohydrates by a gram-negative bacterium (Xanthomonas campestris) and is a thickening and suspending agent used especially in pharmaceuticals and prepared foods

called also xanthan

Examples of xanthan gum 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.
Many one-to-one gluten-free flour replacements contain xanthan gum. Jillian Kubala, Health, 7 Sep. 2024 When used in larger quantities, xanthan gum may help regulate blood sugar levels. Jillian Kubala, Health, 7 Sep. 2024 These side effects are usually only experienced when taking much larger doses of xanthan gum than commonly found in food and drink products.8 Some research suggests that long-term xanthan gum intake may negatively affect overall gut health. Jillian Kubala, Health, 7 Sep. 2024 Notably, Häagen-Dazs doesn’t include any of the stabilizers or gums, like soy lecithin or xanthan gum, that other brands use as preservatives or thickeners. Sam Stone, Bon Appétit, 3 July 2024 See All Example Sentences for xanthan gum

Word History

Etymology

xanth- (in New Latin Xanthomonas, bacterial genus name, from xantho- xantho- + -monas, combining form used in the generic names of microorganisms, borrowed from Greek monad-, monás "single item, unit") + -an entry 3 — more at monad

Note: The suffix in an earlier variant xantham, if not a misspelling, is unexplained.

First Known Use

1964, in the meaning defined above

Time Traveler
The first known use of xanthan gum was in 1964

Browse Nearby Words

Cite this Entry

“Xanthan gum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/xanthan%20gum. Accessed 23 Apr. 2025.

Medical Definition

xanthan gum

noun
xan·​than gum ˈzan-thən- How to pronounce xanthan gum (audio)
: a polysaccharide that is produced by fermentation of carbohydrates by a bacterium (Xanthomonas campestris) and is a thickening and suspending agent used especially in pharmaceuticals and prepared foods

called also xanthan

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!