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Ketohexose linear to cyclic form avi
A ketohexose is a ketone-containing hexose (a six-carbon monosaccharide). The most common ketohexoses, each of which represents a pair of enantiomers (- and -isomers), include psicose, fructose, sorbose, and tagatose. Ketohexose is stable over a wide pH range, and with a primary pKa of 10.28, will only deprotonate at high pH, so is marginally less stable than aldohexose in solution.
Contents

Carbohydrate structure aldohexoses and ketohexoses


References
Ketohexose Wikipedia(Text) CC BY-SA