{"id":23524,"date":"2018-03-09T09:14:07","date_gmt":"2018-03-09T09:14:07","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aumento-de-estilbenos-bioactivos-en-uva-y-vino-mediante-pulsos-de-irradiacion-ultravioleta-c\/"},"modified":"2018-03-09T09:14:07","modified_gmt":"2018-03-09T09:14:07","slug":"aumento-de-estilbenos-bioactivos-en-uva-y-vino-mediante-pulsos-de-irradiacion-ultravioleta-c","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/murcia\/aumento-de-estilbenos-bioactivos-en-uva-y-vino-mediante-pulsos-de-irradiacion-ultravioleta-c\/","title":{"rendered":"Aumento de estilbenos bioactivos en uva y vino mediante pulsos de irradiaci\u00f3n ultravioleta c"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Emma Cantos Villar <\/strong><\/h2>\n<p>En la presente tesis doctoral se consigue incrementar el contenido de estilbenos, con conocidas propiedades promotoras de la salud, en uva por medio de tratamientos con luz ultravioleta.  tras un estudio donde se observ\u00f3 que la luz uvc no afectaba al contenido fen\u00f3lico (antocianos, flavonoles, y \u00e1cidos hidroxicin\u00e1micos) en uva de mesa recolectada, pero s\u00ed aumentaba el contenido en reveratrol de estas, se optimiz\u00f3 y modeliz\u00f3 el m\u00e9todo de irradiaci\u00f3n uvc para obtener uva de mesa enriquecida en resveratrol. Se vio que el tratamiento \u00f3ptimo era: potencia de irradiaci\u00f3n = 510 w, tiempo de irradiaci\u00f3n = 60 segundos y distancia de irradiaci\u00f3n = 40 cm.  adem\u00e1s, se caracteriz\u00f3 el perfil polifen\u00f3lico de distintas variedades de uva de mesa recolectada por lc-dad-ms-ms, viendo que todas las variedades ten\u00edan un perfil polifen\u00f3lico cualitativamente similar aunque cuantitativamente distinto. Tambi\u00e9n se estudi\u00f3 el enriquecimiento en estilbenos de estas variedades de uva de mesa, por el tratamiento con uvc previamente optimizado. las variedades de uva de mesa mostraron distinta capacidad de inducci\u00f3n frente a los diferentes estilbenos (piceido, piceatanol, resveratrol y viniferinas). En algunos casos se increment\u00f3 la concentraci\u00f3n de resveratrol en m\u00e1s de 2000 veces en las uvas irradiadas respecto a las control (no tratadas), siendo el contenido final en resveratrol de estas uvas suficientemente alto como para introducir el t\u00e9rmino de \u00abuvas funcionales\u00bb.  finalmente, se estudi\u00f3 la potencialidad del tratamiento uvc para obtener vinos ricos en estilbenos a partir de uvas irradiadas. Previamente se determin\u00f3 la susceptibilidad de distintas variedades de uva tinta de vino para inducir estilbenos tras el tratamiento con luz uvc. Se concluy\u00f3 que la elecci\u00f3n de la variedad es muy importante a la hora de obtener un vino enriquecido en estilbenos, ya que tanto la capacidad de inducci\u00f3n como la concentraci\u00f3n final de estilbenos var<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aumento de estilbenos bioactivos en uva y vino mediante pulsos de irradiaci\u00f3n ultravioleta c<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aumento de estilbenos bioactivos en uva y vino mediante pulsos de irradiaci\u00f3n ultravioleta c <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Emma Cantos Villar <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/06\/2003<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>barber\u00e1n Francisco Tom\u00e1s<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: josefa Escribano cebrian <\/li>\n<li>Juan Guardiola ortu\u00f1o (vocal)<\/li>\n<li>rosa Mar\u00eda Lamuela ravent\u00f3s (vocal)<\/li>\n<li>pilar Zafrilla rentero (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Emma Cantos Villar En la presente tesis doctoral se consigue incrementar el contenido de estilbenos, con conocidas [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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