A pentose sugar occurring as d-xylulose and as l-xylulose, one of the few l-sugars found in nature; it is sometimes excreted in the urine. See also pentosuria.
Xylulose
| Veterinary Dictionary: xylulose |
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| Wikipedia: Xylulose |
| Xylulose[1][2] | |
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| IUPAC name |
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| Other names | threo-Pentulose threo-2-Pentulose |
| Identifiers | |
| CAS number | [] |
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| Properties | |
| Molecular formula | C5H10O5 |
| Molar mass | 150.13 g/mol |
| Appearance | Syrup |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references |
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Xylulose is a ketopentose, a monosaccharide containing five carbon atoms, and including a ketone functional group. It has the chemical formula C5H10O5. In nature, it occurs in both the L- and D-enantiomers.
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Pathology
L-Xylulose accumulates in the urine in patients with pentosuria, due to a deficiency in L-xylulose reductase. Since L-xylulose is a reducing sugar like D-glucose, pentosuria patients have been wrongly diagnosed in the past to be diabetic.
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 | Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more |
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| Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Xylulose". Read more |
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