{"id":77641,"date":"2005-11-12T00:00:00","date_gmt":"2005-11-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estimacion-de-la-capacidad-antimutagenica-de-extractos-vegetales-frente-a-n-nitrosaminas-volatiles-presentes-en-alimentos\/"},"modified":"2005-11-12T00:00:00","modified_gmt":"2005-11-12T00:00:00","slug":"estimacion-de-la-capacidad-antimutagenica-de-extractos-vegetales-frente-a-n-nitrosaminas-volatiles-presentes-en-alimentos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estimacion-de-la-capacidad-antimutagenica-de-extractos-vegetales-frente-a-n-nitrosaminas-volatiles-presentes-en-alimentos\/","title":{"rendered":"Estimaci\u00f3n de la capacidad antimutag\u00e9nica de extractos vegetales frente a n-nitrosaminas vol\u00e1tiles presentes en alimentos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Youssef Ikken <\/strong><\/h2>\n<p>El trabajo realizado por d.Youssef ikken, ha tenido como principal objetivo determinar el potencial antimutag\u00e9nico de diversos extractos vegetales frente a la actividad de n-nitrosaminas vol\u00e1tiles presentes en alimentos. La investigaci\u00f3n se ha abordado en cuatro etapas:     1,- se optimiz\u00f3 el m\u00e9todo de mutagenicidad de ames s.Typhimurium ta100 para estimar la actividad mutag\u00e9nica de las n-nitrosaminas vol\u00e1tiles, n-nitrosodimetilamina (ndma), n-nitrosopirrolidina (npyr), n-nitrosopiperidina (npip) y n-nitrosodibutilamina (ndba).     2,- se estudi\u00f3 la actividad mutag\u00e9nica de diversos extractos de hortaliza, frutas y ra\u00edz de regaliz utilizando el m\u00e9todo de ames y el complejo enzim\u00e1tico microsomal de mam\u00edferos s9 para la activaci\u00f3n metab\u00f3lica.     3,- se evalu\u00f3 el potencial quimiopreventivo frente a n-nitrosaminas vol\u00e1tiles de los extractos vegetales sin actividad mutag\u00e9nica.     4,- se estim\u00f3 la capacidad antioxidante, poder reductor y secuentrante de per\u00f3xidos de los extractos vegetales con distinta actividad antimutag\u00e9nica frente a n-nitrosaminas vol\u00e1tiles.     el an\u00e1lisis estad\u00edstico de los datos obtenidos ha permitido relacionar la capacidad de los extractos vegetales para inhibir la mutagenicidad inducida por n-nitrosaminas vol\u00e1tiles y su efecto protector frente a procesos oxidativos.     en conjunto, la labor realizada ha proporcionado a d.Youssef ikklen una amplia formaci\u00f3n y los resultados derivados han conducido a la selecci\u00f3n de diversos extractos vegetales, por su elevado potencial quimiopreventivo, para posteriores investigaciones.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estimaci\u00f3n de la capacidad antimutag\u00e9nica de extractos vegetales frente a n-nitrosaminas vol\u00e1tiles presentes en alimentos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estimaci\u00f3n de la capacidad antimutag\u00e9nica de extractos vegetales frente a n-nitrosaminas vol\u00e1tiles presentes en alimentos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Youssef Ikken <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/12\/2005<\/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> <\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  Antonio Ordo\u00f1ez Pereda <\/li>\n<li> Santa-maria Blanco Jos\u00e9 Guillermo (vocal)<\/li>\n<li>Carmen Casas Valencia (vocal)<\/li>\n<li>Marta Mar\u00eda Calvo Rodr\u00edguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Youssef Ikken El trabajo realizado por d.Youssef ikken, ha tenido como principal objetivo determinar el potencial antimutag\u00e9nico [&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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