Illustrated Glossary of Organic Chemistry

Hexose: A six-carbon monosaccharide. The term applies to both acyclic and cyclic monosaccharides.

Molecular structure of D-glucose, the most common hexose.




  
Fischer projection   
α-D-glucopyranose
A cyclic hexose


Sucrose, a disaccharide, contains two hexose monosaccharides, glucose (an aldohexose) and fructose (a ketohexose).