fructose

noun
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 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, "What Is a No-Sugar Diet? A Nutritionist Explains the Benefits of This Trend," 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, "The Low FODMAP Diet Is the Latest Health Craze, But Is It Actually Good for You?," 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, "How weird do 100 gecs sound in real life?," 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, sun-sentinel.com, "Why would dietary sugar harm your heart?," 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, "Microbe that got man drunk could help explain common liver disease," 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, "Can Our Bodies Even Tell the Difference Between Naturally Occurring and Added Sugars?," 24 June 2019 The second is disaccharides, which are just two of these single sugar molecules linked together: sucrose, or table sugar (glucose + fructose); lactose, or milk sugar (glucose + galactose); and maltose, or malt sugar (glucose + glucose). Carolyn L. Todd, SELF, "Can Our Bodies Even Tell the Difference Between Naturally Occurring and Added Sugars?," 24 June 2019 While there, the nectar mixes with protein and enzymes, which breaks the nectar down from sucrose into glucose and fructose. Fox News, "Everything you need to know about honey," 6 Oct. 2015

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.

See More

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

Keep scrolling for more

Learn More about fructose

Time Traveler for fructose

Time Traveler

The first known use of fructose was circa 1864

See more words from the same year

Statistics for fructose

Cite this Entry

“Fructose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fructose. Accessed 8 Jul. 2020.

Keep scrolling for more

More Definitions for fructose

fructose

noun
How to pronounce fructose (audio) How to pronounce fructose (audio) How to pronounce fructose (audio)

English Language Learners Definition of fructose

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

fructose

noun
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

Rhyming Dictionary: Words that rhyme with fructose

Britannica.com: Encyclopedia article about fructose

Comments on fructose

What made you want to look up fructose? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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