In this study, we reported for the first time about the physicochemical characterization, as well as the bioactive compounds in the peel and pulp of A. amazonicum fruits of two varieties harvested in Northern Brazil (Pará State) from two harvest periods (beginning and end). The peel and pulp of A. amazonicum fruits presented high contents of water (75-89%) and total carbohydrates (5-12%), whereas low total energetic value ranges (41-92 kcal/100 g, wet basis). Regardless the variety of A. amazonicum fruits, phenolic compounds were the major bioactive compounds, and the peels accumulated high contents at the beginning of the harvest period (4884-6556 mg GAE/100 g, dry basis, db), and at the end for the pulps (1394-2855 mg GAE/100 g, db). The multivariate exploratory techniques evidenced that high contents of bioactive compounds are available in the peel at the beginning of the harvest period, while at the end for the pulps. Caracterización y cuantificación fisicoquímicas de compuestos bioactivos de los frutos de Antrocaryon amazonicum cultivados en la Amazonia brasileña RESUMEN En el presente estudio informamos por primera vez sobre la caracterización fisicoquímica y los compuestos bioactivos presentes en la cáscara y la pulpa de los frutos de A. amazonicum de dos variedades cosechadas en el norte del Brasil (estado de Pará) durante dos periodos de cosecha (principio y fin). La cáscara y la pulpa de los frutos de A. amazonicum muestran altos contenidos de agua (75-89%) y de carbohidratos totales (5-12%), mientras que los rangos de valor energético total son bajos (41-92 kcal/100 g, base húmeda). Independientemente de la variedad de frutos de A. amazonicum de que se trate, siempre los compuestos fenólicos son los principales compuestos bioactivos; las cáscaras acumulan altos contenidos de los mismos al principio del periodo de cosecha (4884-6556 mg GAE/100 g, base seca (db)), en tanto que las pulpas lo hacen al final (1394-2855 mg GAE/100 g, db). El uso de técnicas de exploración multivariantes permitió poner de manifiesto que se dispone de un alto contenido de compuestos bioactivos en la cáscara al principio del periodo de cosecha, mientras que al final tal contenido está disponible para las pulpas.
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