In Hanup's disease, the following amino acids are excreted into the urine
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
Basic amino acids
Acidic amino acids
Neutral amino acids
Hydrophilic aminoacids
Metabolism of protein and amino acid