Urobilin is produced when Urobilinogen is oxidized by intestinal bacteria; it can also be produced when urobilinogen is exposed to the environment upon urination, resulting in its oxidation to urobilin.
Also, when urobilinogen in urine is exposed to the environment upon urination, it is oxidized to urobilin. Urobilin is produced when urobilinogen is oxidized by intestinal bacteria.
Urobilin is produced when urobilinogen is oxidized by intestinal bacteria. Also, when urobilinogen in urine is exposed to the environment upon urination, it is oxidized to urobilin.
Urobilin is produced when urobilinogen is oxidized by intestinal bacteria. Also, when urobilinogen in urine is exposed to the environment upon urination, it is oxidized to urobilin.