Source : Webster's Revised Unabridged Dictionary (1913)

Euxanthin \Eux*an"thin\, n. [Gr. ? well + ? yellow.] (Chem.)
   A yellow pigment imported from India and China. It has a
   strong odor, and is said to be obtained from the urine of
   herbivorous animals when fed on the mango. It consists if a
   magnesium salt of euxanthic acid. Called also {puri},
   {purree}, and {Indian yellow}.