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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A bitter, colorless alkaloid, C7H8N4O2, derived from the cacao bean, found in chocolate products and used in medicine as a diuretic, vasodilator, and myocardial stimulant.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An alkaloid, of similar structure to caffeine, found in chocolate and cocoa.

from the GNU version of the Collaborative International Dictionary of English

  • n. An alkaloidal ureide, C7H8N4O2, homologous with and resembling caffeine, produced artificially, and also extracted from cacao and chocolate (from Theobroma Cacao) as a bitter white crystalline substance; -- called also dimethyl xanthine.

from The Century Dictionary and Cyclopedia

  • n. A crystalline alkaloid (C7H8N4O2), forming salts with acids, volatile and very bitter.


New Latin Theobrōma, genus of trees (Greek theo-, theo- + brōma, food) + -ine2.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From the genus Theobroma. (Wiktionary)


  • The biggie that most people have heard about is the caffeine relative called theobromine, which is the one usually shown on "I heart chocolate" tee-shirts, so that's a good place to start, with its trippy endorphins to create a pleasant buzz.

    rashbre central

  • * Chocolate in any form is extremely toxic to man's best friend as it contains a harmful chemical called theobromine, which is fine for humans but is very dangerous for dogs

    Dog Magazine dot net - Home of K9 Magazine

  • Chocolate is the richest known source of a little-known substance called theobromine, a close chemical relative of caffeine.

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  • The stimulant theobromine, which is also a diuretic.

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  • BC1036, also known as theobromine, is the highly-anticipated antitussive drug candidate that Pernix management had yet to disclose the name of but previously noted could have enormous potential.

  • Chocolate contains the compound theobromine which is a diuretic as well as a cardiac stimulant.

    Ur instrucshuns - Lolcats 'n' Funny Pictures of Cats - I Can Has Cheezburger?

  • The CEO stressed that theobromine which is a component found in cocoa serves as drug in the production and free flow of urine in cases in where accumulation of body fluids has resulted from heat failure.


  • Something called phosphodiesterase inhibitors or methylxanthines are found in coffee and theobromine which is in chocolate can impact on mood.

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  • As a stimulant, chocolate's theobromine, historically used as an aphrodisiac, is a vasodilator, meaning it widens blood vessels, and is used to lower blood pressure.

    Alex Jamieson: Healing Hearts With Chia and Chocolate

  • Chocolate contains caffeine and theobromine -- both mental stimulants -- phenylethylamine (PEA), which raises our blood pressure and heart rate, and tryptophan, which helps release serotonin (sugar also produces that effect).

    EatingWell: The Neurologic Connection Between Kissing and Chocolate


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