Xanthinine
Pronunciation : Xan"thi*nine
Part of Speech : n.
Definition : Defn: A complex nitrogenous substance related to urea and uric acid, produced as a white powder; -- so called because it forms yellow salts, and because its solution forms a blue fluorescence like quinine.
[Gr. xanqo`s yellow + quinine.] (Chem.)
Source : Webster's Unabridged Dictionary, 1913