Definition of "guaranine" []

• Caffeine extracted from guarana. (noun)

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• "Caffeine is also called guaranine when found in guarana, mateine when found in mate, and theine when found in tea; all of these names are synonyms for the same chemical compound."
• "The guaranine will hype you up a lot and is almost identical to caffeine, although with far less of the jittery reaction too much coffee can create and more euphoria."
• "Guarana contains a high amount of guaranine, a chemical substance with the same characteristics as caffeine."