Definify.com
Webster 1913 Edition
Indican
2.
(Physiol. Chem.)
An indigo-forming substance, found in urine, and other animal fluids, and convertible into red and blue indigo (urrhodin and uroglaucin). Chemically, it is indoxyl sulphate of potash,
C8H6NSO4K
, and is derived from the indol formed in the alimentary canal. Called also uroxanthin
.