Biochemistry Metabolism of protein and amino acid 780d845b "Indican" is a metabolite of A Histidine B Tryptophan C Tyrosine D Valine High-Yield Explanation Indian is a major excretory product in the metabolism of tryptophanRef: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 242, fig 18.11