{"id":13163,"date":"2021-04-13T09:45:03","date_gmt":"2021-04-13T09:45:03","guid":{"rendered":"https:\/\/dacsa.com\/?p=13163"},"modified":"2021-04-13T09:45:03","modified_gmt":"2021-04-13T09:45:03","slug":"maiz-flint-argentino","status":"publish","type":"post","link":"https:\/\/dacsa.com\/es\/maiz-flint-argentino\/","title":{"rendered":"El ma\u00edz flint argentino"},"content":{"rendered":"<p style=\"text-align: justify;\"><strong>El ma\u00edz flint argentino tiene mejor calidad nutricional para consumo humano que el dentado<\/strong><\/p>\n<p style=\"text-align: justify;\"><em>Un grupo de investigadores de la Universidad Nacional de Rosario describi\u00f3 por primera vez cantidad y tipo de carotenoides del ma\u00edz argentino.<\/em><\/p>\n<p style=\"text-align: justify;\">El ma\u00edz flint (tambi\u00e9n denominado plata o colorado duro) es preferido para el proceso de molienda seca y la posterior producci\u00f3n de alimentos de consumo humano, tales como copos de desayuno, galletitas, polenta y cerveza. Es una especialidad, donde el ma\u00edz m\u00e1s com\u00fanmente producido es de tipo dentado y amarillo. Su preferencia radica en su dureza, que permite mejores rendimientos molineros, y en el color natural que le brinda a sus productos finales. Para garantizar la calidad f\u00edsica de esta especialidad el SENASA cre\u00f3 la Norma Flint, que reglamenta valores m\u00ednimos de dureza.<\/p>\n<p style=\"text-align: justify;\">Los carotenoides son los pigmentos responsables de la coloraci\u00f3n en los granos de ma\u00edz. Estos pigmentos son compuestos antioxidantes que se ubican en el endosperma del grano, y su consumo se correlaciona con efectos positivos sobre la salud humana. Algunos de ellos son precursores de la vitamina A (\u03b1-caroteno, \u03b2-caroteno, \u03b1-criptoxantina y \u03b2-criptoxantina), importante para m\u00faltiples procesos biol\u00f3gicos. Estos pigmentos, al presentarse de manera natural en los granos de ma\u00edz, resultan de gran inter\u00e9s para la industria alimentaria ya que brindan una coloraci\u00f3n natural, evitando la necesidad de incorporar colorantes artificiales.<\/p>\n<p style=\"text-align: justify;\">Los h\u00edbridos flint que hoy se destinan a consumo humano poseen 45% m\u00e1s de carotenoides totales que los ma\u00edces dentados tradicionales. A su vez, poseen mayor concentraci\u00f3n y proporci\u00f3n del tipo de carotenoides de la rama metab\u00f3lica beta (zeaxantina, \u03b2-criptoxantina y \u03b2-caroteno) en comparaci\u00f3n a dentados. Este tipo de compuestos son de mayor valor nutricional que los de la rama alfa (lute\u00edna, \u03b1-criptoxantina y \u03b1-caroteno) ya que dos de ellos son precursores de vitamina A.<\/p>\n<p style=\"text-align: justify;\">Las caracter\u00edsticas nutricionales de los ma\u00edces flint se describieron recientemente por un grupo de la Universidad Nacional de Rosario y CONICET en un trabajo publicado en la revista Journal of Cereal Science. Es la primera caracterizaci\u00f3n del tipo de carotenoides que tienen los ma\u00edces argentinos, y los resultados muestran un valor agregado para los granos de ma\u00edces flint que hoy se destinan a consumo humano.<\/p>\n<p style=\"text-align: justify;\">A nivel global, las preferencias de los consumidores se orientan a una creciente demanda de alimentos naturales, no gen\u00e9ticamente modificados y con abundante contenido de micronutrientes. Las propiedades antioxidantes y vitam\u00ednicas de los carotenoides presentes naturalmente en los granos de los ma\u00edces flint argentinos ofrecen a la cadena de molienda seca la oportunidad de desarrollar productos diferenciados por su elevado valor nutricional, lo que permitir\u00e1 explorar nuevos mercados.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-13168\" src=\"https:\/\/dacsa.com\/wp-content\/uploads\/2021\/04\/Carotenoides.png\" alt=\"Carotenoides rama\" width=\"356\" height=\"282\" srcset=\"https:\/\/dacsa.com\/wp-content\/uploads\/2021\/04\/Carotenoides.png 356w, https:\/\/dacsa.com\/wp-content\/uploads\/2021\/04\/Carotenoides-300x238.png 300w\" sizes=\"(max-width: 356px) 100vw, 356px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">El art\u00edculo original en la revista <em>Journal of Cereal Science<\/em> se puede bajar desde el link (hasta el 5 de mayo 2021): <a href=\"https:\/\/authors.elsevier.com\/a\/1ckxB2co8hv5iP\">https:\/\/authors.elsevier.com\/a\/1ckxB2co8hv5iP<\/a><\/p>\n<p style=\"text-align: center;\">\n","protected":false},"excerpt":{"rendered":"<p>El ma\u00edz flint argentino tiene mejor calidad nutricional para consumo humano que el dentado Un&#8230;<\/p>\n","protected":false},"author":3,"featured_media":13174,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[272],"tags":[],"class_list":["post-13163","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - 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