Essential pentosuria is due to defect in
It is an inborn error of metabolism.In the pathway, L-xylulose is conveed to D-xylulose by two enzymes, xylitol dehydrogenase, and xylulose reductase.Absence of any of these enzymes leads to pentosuria.Ref: DM Vasudevan, 7th edition, page no: 135
HMP pathway
Glycolysis
Gluconeogenesis
Uronic acid pathway
Metabolism of carbohydrate