Essential pentosuria is seen in defect of which pathway?: (A) HMP shunt, (B) Uronic acid pathway, (C) TCA cycle, (D) Gluconeogenesis
Answer is B. Essential pentosuria is defect in glucuronic acid pathway of glucose. is an inborn error of metabolism. In the pathway, L-xylulose is conveed to D-xylulose by 2 enzymes, xylitol dehydrogenase, and xylulose reductase. of any of these enzymes leads to pentosuriaRef: DM Vasudevan, 7th edition, page no: 135