Guarana(redirected from guaraná)
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(Paullinia cupana), an evergreen shrub of the family Sapindaceae, growing wild in Brazil and Venezuela. The seeds of the guaraná contain resins, tannins, and up to 5 percent caffeine. A paste, also called guarana, is obtained from the seeds; it is used for medicinal purposes in some countries. The paste yields caffeine: it is also mixed into chocolate and is used in preparing a beverage that is similar to coffee.