ResumenSe comparan dos métodos de extracción del aceite a partir de las almendras del árbol conocido en el norte de Colombia con el nombre de olleto (Lecythis minor DC). Se analizó su composición química y se determinaron algunas propiedades fisicoquímicas. También se realizó el análisis proximal a la torta y la harina y se determinó la presencia de metales en la almendra. Para extraer el aceite, las almendras fueron trituradas y sometidas a procesos de prensado y extracción con solvente. La composición química del aceite se analizó mediante cromatografía de gases acoplada a masas y los análisis de metales se realizaron con un espectrofotómetro de absorción atómica. Se encontró que el método de extracción más eficiente fue el de solvente. La composición química de la almendra, torta, harina y aceite, indicaron alto porcentaje en carbohidratos, proteína, fibra y minerales, importantes nutrientes que pueden ser empleados en la alimentación humana y animal. Palabras claves: Lecythis minor DC, almendras, aceite, análisis proximal, metales. Chemical Composition of Almond Oil obtained from Olleto Trees (Lecythis minor DC) AbstractTwo methods of oil extraction from almonds produced by a tree known in the north region of Colombia as olleto (Lecythis minor DC) are compared. The chemical composition was analyzed and some physicochemical properties were determined. Also, proximal analysis of the cake and the flour was done and the presence of metals in the almond was determined. To extract the oil, the almonds were crushed and subjected to mechanical compression and to solvent extraction. The chemical composition of the oil was analyzed through gas chromatography coupled to mass and the analysis of metals was done with an atomic absorption spectrophotometer. It was found that the most efficient method was solvent extraction. The chemical composition of the almond, cake, flour and oil indicated a high level of carbohydrates, proteins, fiber and minerals, important nutrients that could be used for human and animal consumption.
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