Galactosan (also known as 1,6-Anhydro-beta-galactopyranose) is an anhydrosugar formed from the elimination of one water molecule from galactose. It can be present in pyrolysis bio-oil in cases where the starting biomass feedstock had galactose residues within its hemicelluloses.

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Analysis Packages for Galactosan

The Celignis Analysis Package(s) that determine this constituent are listed below:

P61   Sugars in Bio-Oil Water Extract
Levoglucosan, Cellobiosan, Mannosan, Galactosan, Glucose, Xylose, Mannose, Arabinose, Galactose, Rhamnose, Fucose, Sucrose, Cellobiose, Total Sugars Further Details

P62   Sugars and Oligosaccharides in Bio-oil Water Extract
Glucose, Xylose, Mannose, Arabinose, Galactose, Rhamnose, Total Sugars, Sucrose, Fructose, Cellobiose, Levoglucosan, Cellobiosan, Mannosan, Galactosan, Total Oligomeric Sugars Further Details

Equipment Used for Galactosan Analysis

Additional Material

We can determine the Galactosan content of various liquids, including liquids from pre-treatment and hydrolysis processes, click here to learn more about our various methods for analysing process liquids.

We can determine the Galactosan content of pyrolysis bio-oils, click here to learn more about our various methods for analysing bio-oil.