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guarana
gua·ra·na G5304800 (gwä′rə-nä′)n.1. A shrub or woody vine (Paullinia cupana) of Amazonia whose seeds are high in caffeine and other alkaloids.2. A preparation made from the seeds of this plant, used in beverages and as an herbal medicine for its stimulant and tonic properties.
[Brazilian Portuguese guaraná, from Tupí *wara'na.]guarana (ɡwəˈrɑːnə) n (Plants) a climbing shrub, Pauinia cupana, that is native to Venezuela and Brazil and whose seeds contain a higher concentration of caffeine than is found in coffee beansTranslationsguarana
gua·ra·na (gwah-rah'nah), A dried paste of the crushed seeds of Paullinia cupana (family Sapindaceae), a vine extensively cultivated in Brazil. It contains guaranine (caffeine), saponin, a volatile oil, and paullinitannic acid. Has been used to relieve headache. [Native Brazilian word] guarana (gwă-ră-nă′) [Native Brazilian word] A stimulant derived from Paullinia cupana, a Brazilian plant used in folk remedies for its supposed effects on alertness and cognition. The plant contains caffeine and other chemicals, but has not been proven to enhance thinking, treat dementia, or alter any neuropsychiatric functions. CAUTION!Because some guarana-based products have high levels of caffeine, care should be taken in their use to avoid caffeine overdose.
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