AskDefine | Define ketose

Dictionary Definition

ketose n : any monosaccharide sugar that contains a ketone group or its hemiacetal

User Contributed Dictionary



  1. A saccharide containing a ketone functional group.

Extensive Definition

A ketose is a sugar containing one ketone group per molecule.
With 3 carbon atoms, dihydroxyacetone is the simplest of all ketoses and is the only one having no optical activity. Ketoses can isomerize into an aldose where the carbonyl group is located at the end of the molecule.

List of ketoses

Qualitative reaction

General qualitative reaction for ketoses is Seliwanoff's test.

See also

ketose in German: Ketosen
ketose in Spanish: Cetosa
ketose in Esperanto: Ketozo
ketose in French: Cétose
ketose in Japanese: ケトース
ketose in Polish: Ketozy
ketose in Russian: Кетозы
ketose in Finnish: Ketoosi (yhdiste)
ketose in Chinese: 酮糖
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