Xylulose: Difference between revisions
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| IUPACName = (''3R,4S'')-1,3,4,5-Tetrahydroxypentan-2-one |
| IUPACName = (''3R,4S'')-1,3,4,5-Tetrahydroxypentan-2-one |
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| OtherNames = threo-Pentulose<br>threo-2-Pentulose |
| OtherNames = threo-Pentulose<br />threo-2-Pentulose |
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| Section1 = {{Chembox Identifiers |
| Section1 = {{Chembox Identifiers |
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| CASNo = 527-50-4 |
| CASNo = 527-50-4 |
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'''Xylulose''' is a [[ketopentose]], a [[monosaccharide]] containing five [[carbon]] [[atom]]s, and including a [[ketone]] [[functional group]]. It has the [[chemical formula]] {{carbon}}<sub>5</sub>{{hydrogen}}<sub>10</sub>{{oxygen}}<sub>5</sub>. In nature, it occurs in both the <small>L</small>- and <small>D</small>-[[enantiomer]]s. |
'''Xylulose''' is a [[ketopentose]], a [[monosaccharide]] containing five [[carbon]] [[atom]]s, and including a [[ketone]] [[functional group]]. It has the [[chemical formula]] {{carbon}}<sub>5</sub>{{hydrogen}}<sub>10</sub>{{oxygen}}<sub>5</sub>. In nature, it occurs in both the <small>L</small>- and <small>D</small>-[[enantiomer]]s. |
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==Pathology== |
== Pathology == |
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<small>L</small>-Xylulose accumulates in the [[urine]] in patients with [[pentosuria]], due to a deficiency in [[L-xylulose reductase]]. Since <small>L</small>-xylulose is a reducing sugar like [[D-glucose|<small>D</small>-glucose]], pentosuria patients have been wrongly diagnosed in the past to be [[diabetic]]. |
<small>L</small>-Xylulose accumulates in the [[urine]] in patients with [[pentosuria]], due to a deficiency in [[L-xylulose reductase]]. Since <small>L</small>-xylulose is a reducing sugar like [[D-glucose|<small>D</small>-glucose]], pentosuria patients have been wrongly diagnosed in the past to be [[diabetic]]. |
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* [[Xylose]] |
* [[Xylose]] |
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==References== |
== References == |
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{{Reflist}} |
{{Reflist}} |
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==External links== |
== External links == |
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{{Carbohydrates}} |
{{Carbohydrates}} |
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| ⚫ | |||
[[Category:Ketoses]] |
[[Category:Ketoses]] |
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[[Category:Monosaccharides]] |
[[Category:Monosaccharides]] |
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| ⚫ | |||
[[de:Xylulose]] |
[[de:Xylulose]] |
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[[es:Xilulosa]] |
[[es:Xilulosa]] |
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[[fr:Xylulose]] |
[[fr:Xylulose]] |
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[[it:Xilulosio]] |
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[[ja:キシルロース]] |
[[ja:キシルロース]] |
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[[ru:Ксилулоза]] |
[[ru:Ксилулоза]] |
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Revision as of 08:22, 12 April 2009
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| Names | |||
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| IUPAC name
(3R,4S)-1,3,4,5-Tetrahydroxypentan-2-one
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| Other names
threo-Pentulose
threo-2-Pentulose | |||
| Identifiers | |||
3D model (JSmol)
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |||
| C5H10O5 | |||
| Molar mass | 150.13 g/mol | ||
| Appearance | Syrup | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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 Template:Carbon5Template:Hydrogen10Template:Oxygen5. In nature, it occurs in both the L- and D-enantiomers.
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.
See also
References
External links
Types of carbohydrates | |||||||||||||||
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| Monosaccharides |
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| Multiple |
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