Sentence Examples

  • Caffeine (formerly known as theme) is the alkaloid of tea, and is identical with that of coffee, guarana, mate and kola nut.
  • Caffeine is the active principle in tea, coffee, kola, mate and guarana; while theobromine, a body closely allied to it, is found in cocoa and chocolate.

How would you define guarana? Add your definition here.

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