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theobromine the·o·bro·mine (thē'ō-brō'mēn')
A bitter, colorless alkaloid found in chocolate products and used as a diuretic, vasodilator, and myocardial stimulant.
A bitter, colorless alkaloid that occurs in the cacao bean, cola nuts, and tea. It is found in chocolate products and used in medicine as a diuretic, vasodilator, and myocardial stimulant. Theobromine is a xanthine and similar in structure to caffeine and theophylline. Chemical formula: C7H8N4O2.
diuretic drug and major alkaloidal constituent of cocoa. Theobromine is a xanthine alkaloid, a methylxanthine, as are caffeine and theophylline, but it differs from them in having little stimulatory action upon the central nervous system. The stimulant effect of cocoa results from the caffeine that it contains rather than from the theobromine.