Question

Alkaptonuria is called as black urine disease ?why?

Answer 1

Alkaptonuria (black urine disease,black bone disease, or alcaptonuria) is a rare inherited genetic disorder in which the body cannot process the amino acids phenylalanine and tyrosine, which occur in protein. ... Homogentisic acid and its oxidized form alkapton are excreted in theurine, giving it an unusually dark color.

Answer 2

Alkaptonuria is a rare genetic disorder in which the body cannot process the amino acids.Due to this,the oxidised form of alkaapton is excreted in the urine,which gives it an unusual dark colour.Other symptoms also include pigmentation.