Introduction to Sugar Structures
Sugars are polyhydroxy aldehydes or ketones. A sugar with 5 carbon atoms
is a pentose. The following diagrams are equivalent except that the one
on the right conveys the directions in which the groups point. Is it a
A sugar with 6 carbon atoms is a hexose. Few natural sugars have other
than 5 or 6 carbon atoms.
Let's see some sugars to see which are pentoses and which are hexoses.
Select with the chooser.