Mannose
Mannose is a sugar monomer of the aldohexose series of carbohydrates. It is a C-2 epimer of glucose. Mannose is important in human metabolism, especially in the glycosylation of certain proteins. Several congenital disorders of glycosylation are associated with mutations in enzymes involved in mannose metabolism.
D-Mannopyranose | |
Fischer projections | |
| Names | |
|---|---|
| IUPAC name
Mannose | |
| Systematic IUPAC name
(3S,4S,5S,6R)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol | |
| Identifiers | |
| ChEMBL | |
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| KEGG | |
| MeSH | Mannose |
PubChem CID |
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| Properties | |
| C6H12O6 | |
| Molar mass | 180.156 g·mol−1 |
| -102.90·10−6 cm3/mol | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Mannose is not an essential nutrient; it can be produced in the human body from glucose, or converted into glucose. Mannose provides 2–5 kcal/g. It is partially excreted in the urine.
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