The seeds of this climbing sapindaceous plant
furnish the famous guarana of the Amazon and its principal
tributaries. The ripe seeds, when thoroughly dried, are pounded
into a fine powder, which made into dough with water, is formed
into cylindrical rolls, from 5 to
8 inches long, becoming very
hard when dry. It is used as a beverage, which is prepared by
grating about half a teaspoonful of one of the cakes into about a
teacup of water. It is much used by Brazilian miners, and is
considered a preventive of all manner of diseases. It is also used
by travelers, who supply themselves with it previous to
undertaking lengthy or fatiguing journeys. Its active principle is
identical with theine, of which it contains a larger quantity than
exists in any other known plant, being more than double that
contained in the best black tea.
Previous: Passiflora Quadrangularis
Next: Pavetta Borbonica
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