Sorbose is a ketose belonging to the group of sugars known as monosaccharides. The commercial production of vitamin C (ascorbic acid) often begins with sorbose. L-Sorbose is the configuration of the naturally-occurring sugar.
Aldopentose (Ribose, Arabinose, Xylose, Lyxose)
Aldohexose (Allose, Altrose, Glucose, Mannose, Gulose, Idose, Galactose, Talose)
Fructose: Fructan (Inulin, Levan beta 2→6)