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        | A xanthine stimulant found in coffee, tea, chocolate, soft drinks, and several medications. |  | 
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        | A family of CNS stimulant drugs that includes caffeine, theophylline, and theobromine. |  | 
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        | A xanthine stimulant found in chocolate. |  | 
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 | Definition 
 
        | A xanthine stimulant found in small amounts in tea. It is used as an anti-asthma medication. |  | 
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        | A type of coffee bean native to the Middle East but now grown principally in South America. It is typically referred to simply as arabica. |  | 
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 | Definition 
 
        | A type of coffee bean grown principally in Indonesia, Brazil, and Africa. |  | 
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        | The plant from which tea leaves are obtained. |  | 
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        | Parts of the cacao tree that are the raw material for cocoa and chocolate. Not to be confused with coca, the source of cocaine. |  | 
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        | The fat content of the cocoa bean. |  | 
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 | Definition 
 
        | A deep-colored paste made when roasted cocoa beans are heated so that the cocoa butter in the beans melts. |  | 
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        | A hardened paste, consisting of chocolate liquor, produced by heating roasted cocoa beans. |  | 
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        | An inhibitory neurotransmitter that is blocked, or neutralized, by caffeine and other xanthines. The action on receptors in the body is the basis for the stimulant properties of these drugs. |  | 
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        | Term 
 | Definition 
 
        | A dangerous state of overstimulation from a very large dose of caffeine. |  | 
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