Sugar acid
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Sugar acids are monosaccharides with a carboxyl group.[1]
Main classes of sugar acids include:
- Aldonic acids, in which the aldehyde functional group of an aldose is oxidized
- Ulosonic acids, in which the first hydroxyl group of a 2-ketose is oxidised creating an α-ketoacid.
- Uronic acids, in which the terminal hydroxyl group of an aldose or ketose is oxidized
- Aldaric acids, in which both ends of an aldose are oxidized
Examples
Examples of sugar acids include:
- Aldonic acids
- Glyceric acid (3C)
- Xylonic acid (5C)
- Gluconic acid (6C)
- Ascorbic acid[2] (6C, unsaturated lactone)
- Ulosonic acids
- Neuraminic acid (5-amino-3,5-dideoxy-D-glycero-D-galacto-non-2-ulosonic acid)
- Ketodeoxyoctulosonic acid (KDO or 3-deoxy-D-manno-oct-2-ulosonic acid)
- Uronic acids
- Glucuronic acid (6C)
- Galacturonic acid (6C)
- Iduronic acid (6C)
- Aldaric acids
- Tartaric acid (4C)
- meso-Galactaric acid (Mucic acid) (6C)
- D-Glucaric acid (Saccharic acid) (6C)
The β-D form of glucuronic acid
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References
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<references />, or <references group="..." />External links
- Sugar Acids at the US National Library of Medicine Medical Subject Headings (MeSH)
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