Mannose
Mannose is a sugar, one of the hexose series of carbohydrates. Mannose enters the carbohydrate metabolism stream by phosphorylation and conversion to fructose-6-phosphate.
D-Mannose, which appears in some fruits including cranberry, may prevent adhesion of bacteria to tissues of the urinary tract and bladder.
Structure
The first two and last two -OH groups point in opposite directions.Isomerism
D-Mannose has the same configuration at its penultimate carbon as D-glyceraldehyde.