Xylulose
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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:Chem2. In nature, it occurs in both the L- and D-enantiomers.[1] 1-Deoxyxylulose is a precursor to terpenes via the DOXP pathway.[2]
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.
References
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