In Hanup's disease, the following amino acids are excreted into the urine: (A) Basic amino acids, (B) Acidic amino acids, (C) Neutral amino acids, (D) Hydrophilic aminoacids
Answer is C. Hanup disease reflects impaired intestinal and renal transpo of tryptophan and other neutral amino acids.The defect limits tryptophan availability for niacin biosynthesis and accounts for the pellagra-like signs and symptomsHarper 30th edition Pg: 308