%euxanthin%

n. [ Gr. e'y^ well + &unr_; 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. [ 1913 Webster ]