Mannose - Structure

Structure

Two of the cyclic mannose isomers possess a pyranose (six-membered) ring, while the other two possess a furanose (five-membered) ring.

-Mannose isomers
Haworth projections

α--Mannofuranose
<1 %

β--Mannofuranose
<1 %

α--Mannopyranose
67 %

β--Mannopyranose
33 %

Read more about this topic:  Mannose

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