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Title: Triose  
Author: World Heritage Encyclopedia
Language: English
Subject: Ketose, Glyceraldehyde, Aldose, Dihydroxyacetone, Monosaccharide
Collection: Trioses
Publisher: World Heritage Encyclopedia


D-Glyceraldehyde is an aldotriose because the carbonyl group is at the end of the chain
Dihydroxyacetone is a ketotriose because the carbonyl group is the center of the chain.

A triose is a monosaccharide, or simple sugar, containing three carbon atoms. There are only three possible trioses: L-Glyceraldehyde and D-Glyceraldehyde, both aldotrioses because the carbonyl group is at the end of the chain, and dihydroxyacetone, a ketotriose because the carbonyl group is the center the chain.[1]

Trioses are important in cellular respiration. During glycolysis, fructose-1,6-diphosphate is broken down into glyceraldehyde-3-phosphate and dihydroxyacetone phosphate. lactic acid and pyruvic acid are later derived from these molecules.[2]


  1. ^ "Trioses - Three Carbon Sugars". Oxford University Press. Retrieved 2011-07-10. 
  2. ^ "Glycolysis in Detail". Ohio State University at Mansfield. Retrieved 2011-07-10. 
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