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Ketohexose

 
Sci-Tech Dictionary: ketohexose
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(¦kēd·ō′hek′sōs)

(biochemistry) Any monosaccharide composed of a six-carbon chain and containing one ketone group.

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Medical Dictionary: ke·to·hex·ose
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(kē'tō-hĕk'sōs')
n.

A six-carbon sugar containing a ketone group, such as fructose. Also called hexulose.

WordNet: ketohexose
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Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: a monosaccharide having six carbon atoms and a ketone group

Wikipedia: Ketohexose
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 This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (November 2006)

A ketohexose is a ketone-containing hexose (a six-carbon monosaccharide). Ketohexoses have three chiral centers, so 8 (23 = 8) different stereoisomers are possible.

The 4 D-ketohexoses are:

 CH2OH       CH2OH         CH2OH        CH2OH
 |           |             |            |
 C=O         C=O           C=O          C=O
 |           |             |            |
HC-OH     HO-CH           HC-OH      HO-CH
 |           |             |            |
HC-OH       HC-OH       HO-CH        HO-CH
 |           |             |            |
HC-OH       HC-OH         HC-OH        HC-OH
 |           |             |            |
 CH2OH       CH2OH         CH2OH        CH2OH 
D-Psicose    D-Fructose   D-Sorbose    D-Tagatose
Stub icon This article about an organic compound is a stub. You can help Wikipedia by expanding it.
v • d • e
Types of Carbohydrates
General:
Geometry
Monosaccharides
Ketotriose (Dihydroxyacetone) · Aldotriose (Glyceraldehyde)
Ketotetrose (Erythrulose) · Aldotetroses (Erythrose, Threose)
>6
Multiple
Fructooligosaccharide (FOS) · Galacto-oligosaccharide (GOS) · Mannan-oligosaccharides (MOS)
Major families of biochemicals
Saccharides/Carbohydrates/Glycosides · Amino acids/Peptides/Proteins/Glycoproteins · Lipids/Terpenes/Steroids/Carotenoids · Alkaloids/Nucleobases/Nucleic acids · Cofactors/Flavonoids/Polyketides/Tetrapyrroles

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Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company.  Read more
WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Ketohexose".  Read more