Urinalysis and Body Fluids 6th Edition by Majorie DiLorenzo, Susan Strasinger

Exercise 8

Differentiate between the presence of urinary indicant owing to intestinal disorders and Hartnup disease.

Step 1 of 2

Urinary indican:

Presence of excessive volume of indican in urine is called indicanuria.

• When bacteria in the intestine acts on tryptophan, indican is produced

• In intestine, indican is converted into indole and cleared in feces

• The excess indole is reabsorbed into blood stream from intestine, which is circulated in liver and excreted in urine as indican