Fruits of Guaraná (Paullinia cupana var. sorbilis) were chemically analized for N, P, K, Ca, Mg e S, with the purpose to determine the amount of macronutrient uptaked and exported by "guaraná" fruits. Four composed samples of fruits were colected from two groves fertilized and two unfertilized. Nitrogen and K was the most absorbed elements by guaraná fruits. N and P was the most exported elements. The return to the soil of fruit pulp is recomended.