Nonose

 ( Monosaccharides ) 

A nonose is a monosaccharide with nine carbons.Paul G. Engelkirk and Gwendolyn R. Wilson Burton. (2006) Burton's microbiology for the health sciences, p. 92.

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Nonoses types Depending on the position of the functional groups, a distinction is made between ketononoses and aldononoses.

Aldononoses have seven , which allows the formation of 128 stereoisomers (2⁷), which differ in the position of the hydroxyl groups or the asymmetric carbon atom. Ketononoses have six chiral centers, which gives the possibility of 64 different possible stereoisomers.

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Nonoses families

• Neuraminic acid
• Sialic acid
• Legionaminic acid
• Pseudaminic acid

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