Triose This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Triose".
A triose is a monosaccharide containing three carbon atoms. There are only two trioses, an aldotriose (glyceraldehyde) and a ketotriose (dihydroxyacetone). Trioses are important in respiration.
The D-aldotriose is D-Glyceraldehyde
The ketotriose is dihydroxyacetone: