fructose
[fruhk-tohs, froo k-, frook-]
- Chemistry, Pharmacology. a yellowish to white, crystalline, water-soluble, levorotatory ketose sugar, C6H12O6, sweeter than sucrose, occurring in invert sugar, honey, and a great many fruits: used in foodstuffs and in medicine chiefly in solution as an intravenous nutrient.
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Origin of fructose
Also called levulose, fruit sugar.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for fructose
Contemporary Examples
HFCS contains at most 55 percent fructose and in some forms only 43 percent; almost all the rest is glucose.
When HFCS is made from cornstarch, the fructose molecules are not bound to other sugar molecules.
Every fructose molecule in sucrose, in contrast, is bound to a glucose.
None of the sweeteners people eat are 100 percent fructose, which was used in the Oregon study and several others.
"It's evidence that fructose and glucose elicit opposite responses in the human brain," says Purnell.
Historical Examples
The osones from glucose, mannose, and fructose are identical.
The Chemistry of Plant LifeRoscoe Wilfred Thatcher
For the structural (stereochemical) relations of fructose see Sugar.
Slator supposes that glucose and fructose form the same compound with the enzyme.
Alcoholic FermentationArthur Harden
Fructose is one of the sweetest of sugars, and helps to give honey its great sweetness.
Foods and Household ManagementHelen Kinne
There are two common in foods, glucose and fructose; a third, galactose, is derived from more complex sugars.
Foods and Household ManagementHelen Kinne
fructose
- a white crystalline water-soluble sugar occurring in honey and many fruits. Formula: C 6 H 12 O 6Also called: laevulose, fruit sugar
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Word Origin
C19: from Latin frūctus fruit + -ose ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for fructose
n.
sugar found in fruit, 1864, coined in English from Latin fructus (see fruit) + chemical suffix -ose.
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Online Etymology Dictionary, © 2010 Douglas Harper
fructose
(frŭk′tōs′, fruk′-)- A very sweet sugar occurring in many fruits and honey and used as a preservative for foodstuffs and as an intravenous nutrient.fruit sugar levulose
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
fructose
[frŭk′tōs′]
- A simple sugar (monosaccharide) found in honey, many fruits, and some vegetables. Fructose linked to glucose is the structure of table sugar, or sucrose. Fructose is an important source of energy for cellular processes. Chemical formula: C6H12O6.
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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.