Xanthine: A substance found in caffeine, theobromine, and theophylline and encountered in tea, coffee, and the colas. Chemically, xanthine is a purine.

What foods are Xanthines found in?

Occurrence. The xanthine alkaloids include caffeine, theobromine, and theophylline, and are well-known components of tea (Camellia sinensis), coffee (Coffea arabica), cola ingredients (Cola spp.), and cocoa (Theobroma cacao). These are obviously consumed in considerable quantity around the world.

Is a xanthine found in chocolate?

Theobromine is the primary methylxanthine in chocolate. Other compounds in cocoa include caffeine, serotonin, histamine, tryptophan, tryptamine, tyramine, phenylethylamine, octopamine, and anandamide. Theobromine is found in smaller quantities in the kola nut.