Euxanthin /(?)/

Eux·an·thin

Euxanthin

n.
  1. 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. (Chem.)