fruc·​tose | \ ˈfrək-ˌtōs How to pronounce fructose (audio) , ˈfrük-, ˈfru̇k- How to pronounce fructose (audio) , -ˌtōz How to pronounce fructose (audio) \

Definition of fructose

1 : a crystalline sugar C6H12O6 sweeter and more soluble than glucose
2 : the very sweet levorotatory d-form of fructose that occurs especially in fruit juices and honey

called also fruit sugar, levulose

Examples of fructose in a Sentence

Recent Examples on the Web By using extra virgin olive oil as the fat base for their products, which is listed as the third ingredient after water and fructose, Wildgood may attract consumers with the health halo of a longtime Mediterranean diet staple. Carolyn L. Todd, SELF, 14 May 2021 Natural sugars are present in nutritious foods like fruit and milk in the form of fructose and lactose. Lisa Drayer, CNN, 14 Sep. 2020 These include fructose, which is found in fruit and root vegetables, lactose which is found in dairy products, and sucrose which is found in all different types of naturally occurring carbohydrates. Stefani Sassos, Ms, Rdn, Cso, Good Housekeeping, 24 Feb. 2020 The best fruits for the first two phases are lower in fructose, which include blueberries, kiwi, mandarins, oranges, papaya, pineapple, strawberries, and rhubarb. Zee Krstic, Good Housekeeping, 26 Jan. 2020 Why did all of these high-energy, high-fructose, hyper-colorful ditties feel sapped of their vitality, stripped of their sweetness and drained of their saturation? Chris Richards, Washington Post, 26 Nov. 2019 On the other hand, refined sugars used to make breakfast cereals, pastries, sodas, fruit drinks, and other sweet foods and beverages primarily contain glucose and fructose. Howard Lewine,, 23 Oct. 2019 Giving glucose or fructose to the NAFLD patients similarly produced big jumps in blood alcohol levels that healthy controls didn’t experience. Jon Cohen, Science | AAAS, 19 Sep. 2019 But there’s no science to say that fructose is a worse monosaccharide for the body than any other, Tewksbury says. Carolyn L. Todd, SELF, 24 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fructose.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fructose

circa 1864, in the meaning defined at sense 1

History and Etymology for fructose

International Scientific Vocabulary fruct- (from Latin fructus fruit) + -ose entry 2

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Time Traveler for fructose

Time Traveler

The first known use of fructose was circa 1864

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Statistics for fructose

Last Updated

28 May 2021

Cite this Entry

“Fructose.” Dictionary, Merriam-Webster, Accessed 16 Jun. 2021.

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More Definitions for fructose



English Language Learners Definition of fructose

: a very sweet kind of sugar that is found in fruit juices and honey


fruc·​tose | \ ˈfrək-ˌtōs How to pronounce fructose (audio) , ˈfrük- How to pronounce fructose (audio) , ˈfru̇k- How to pronounce fructose (audio) , -ˌtōz \

Medical Definition of fructose

1 : an optically active sugar C6H12O6 that differs from glucose in having a ketonic rather than an aldehydic carbonyl group
2 : the very sweet soluble levorotatory D-form of fructose that occurs especially in fruit juices and honey

called also levulose

More from Merriam-Webster on fructose Encyclopedia article about fructose


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