Compuestos bioactivos y capacidad antioxidante en frutos nativos del Uruguay

  • Virginia Paulina Ferrari Morena Agroalimentos, Instituto Nacional de Investigación Agropecuaria, Uruguay https://orcid.org/0000-0002-7911-1568
  • Facundo Ibáñez Agroalimentos, Instituto Nacional de Investigación Agropecuaria, Uruguay. Programa de Fruticultura, Instituto Nacional de Investigación Agropecuaria, Uruguay https://orcid.org/0000-0001-7893-5568
  • Danilo Cabrera Programa de Fruticultura, Instituto Nacional de Investigación Agropecuaria, Uruguay
  • Betiana Pintado Consejo de Educación Técnico Profesional, UTU, Uruguay
Palabras clave: frutos nativos, vitamina c, compuestos fenólicos, DPPH, ORAC

Resumen

En este trabajo se evaluaron accesiones de frutos nativos de ‘Arazá’ (Psidium cattleianum), ‘Guaviyú’ (Myrcianthes pungens) y Guayabo del país’ (Acca sellowiana) como parte de un programa de selección de variedades para obtener cultivares comerciales. El objetivo es ofrecer a los productores nuevas posibilidades de cultivos frutícolas locales y brindar a los consumidores alternativas alimenticias con reconocidas propiedades nutricionales y nutracéuticas. En diferentes genotipos de estos frutos se evaluó la calidad fsicoquímica, el contenido de compuestos fenólicos, vitamina C y antocianinas, y la relación con la actividad antioxidante total por DPPH y ORAC. Las metodologías para determinar compuestos bioactivos y capacidad antioxidante fueron validadas a escala de microvolúmenes, siguiendo principios de “Química Verde”. El contenido de compuestos bioactivos difere signifcativamente dependiendo de la especie y accesión (p ≤ 0,05). Los resultados encontrados confrman las propiedades nutricionales y capacidad antioxidante potencial de estos frutos. El efecto de variables agronómicas y ambientales en genotipos seleccionados debe
investigarse para ajustar la tecnología de producción comercial.  

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Publicado
2019-11-28
Sección
Artículos