What is "euxanthin"

Euxanthin \Eux*an"thin\, n. [Gr. e'y^ 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.

alt. Indian yellow or magnesium euxanthate, a transparent yellow pigment used in oil paint. n. Indian yellow or magnesium euxanthate, a transparent yellow pigment used in oil paint.