The Amazon region is characterized by the availability of fruits with potential
economic and nutritional. This work aimed to analyze the composition
chemistry of three fruits from the Amazon region: açaí (Euterpe precatory Mart.),
guarana (Paullinia cupana var. sorbilis) and tucumã (Astrocaryum aculeatum G.
Meyer) and verify its importance for animal nutrition. The samples were
processed at the Laboratory of Materials of the Amazon and Composites, at the
of Technology at the Federal University of Amazonas, Campus Manaus. Were
Moisture, ash content, Thermogravimetry and XRF analyzes were performed
(X-Ray fluorescence) from açaí seeds, guarana bushes, seed
whole tucumã, the endocarp of the tucumã pit and the kernel of the tucumã pit.
tucumã. The moisture contents found were 9.65%, 9.09%, 7.9%, 9.34% and
6.38% and the ash contents were 22.24%, 25.80%, 20.96%, 27.46% and 10.02% for
açaí seed, guarana bush, tucumã seed, tucumã endocarp and
tucumã almond respectively. Therefore, these residues are rich in
minerals. The main elements found in açaí seeds were K and Ca,
in the guaraná bush, they were Ca and Si, in the tucumã seeds, they were K and Ca, in the
tucumã endocarp were K and Ca and in tucumã almonds they were K and Ca.
compounds with the highest content for açaí seeds were SiO2 and K2O, for
guarana bushings were SO3 and CaO, for tucumã seeds were SiO2 and K20,
for tucumã endocarp were SiO2, CaO and P2O5 and for tucumã almonds
were SO3 and K20. Knowledge of chemical elements and oxides in the composition
residues are of great importance for animal nutrition, enabling the
sustainable management of these fruits in nature, as well as nutritional indicators
such as potassium, calcium, silicon, iron and phosphorus for the formulation of animal feed. You
chemical elements present in açaí, guarana and tucumã have minerals and
nutrients that are important for poultry, swine, ruminant and fish nutrition.
Keywords: Chemical compounds, Amazonian fruits, residues
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