Ketose

A ketose is a monosaccharide containing one ketone group per molecule.

List of ketoses
Qualitative reaction
References

With three carbon atoms, dihydroxyacetone is the simplest of all ketoses and is the only one having no optical activity. Ketoses can isomerize into an aldose when the carbonyl group is located at the end of the molecule. Such ketoses are reducing sugars.

List of ketoses

All ketoses listed here are 2-ketones:

Trioses: dihydroxyacetone

Tetroses: erythrulose

Pentoses: ribulose, xylulose

Hexoses: fructose, psicose, sorbose, tagatose

Heptoses: sedoheptulose

Octoses: D-manno-octulose (the basis for KDO)

Nonoses: D-glycero-D-galacto-nonulose (the basis for neuraminic acid)

Qualitative reaction

General qualitative reaction for ketoses is Seliwanoff's test.

References

Ketose Wikipedia

(Text) CC BY-SA

Contents

List of ketoses

Qualitative reaction

References