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Medical Definition of L-sorbose
1. A very sweet reducing, but not fermentable, 2-ketohexose obtained from the berries of the mountain ash, Sorbus aucuparia (family Rosaceae), and from sorbitol by fermentation with Acetobacter suboxydans; l-sorbose is epimeric with d-fructose and is used in the manufacture of vitamin C. Synonym: sorbin, sorbinose, sorbitose. (05 Mar 2000)