{"id":89919,"date":"2018-03-10T00:15:14","date_gmt":"2018-03-10T00:15:14","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/acido-fa%c2%adtico-nuevas-determinaciones-anala%c2%adticas-y-aspectos-biologicos\/"},"modified":"2018-03-10T00:15:14","modified_gmt":"2018-03-10T00:15:14","slug":"acido-fa%c2%adtico-nuevas-determinaciones-anala%c2%adticas-y-aspectos-biologicos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/acido-fa%c2%adtico-nuevas-determinaciones-anala%c2%adticas-y-aspectos-biologicos\/","title":{"rendered":"\u00e1cido f\u00edtico: nuevas determinaciones anal\u00edticas y aspectos biol\u00f3gicos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Bartolom\u00e9 Miguel Simonet Suau <\/strong><\/h2>\n<p>El \u00e1cido f\u00edtico es un producto natural ampliamente distribuido en el reino vegetal y animal. Se encuentran presente en elevadas cantidades en legumbres, cereales, frutos secos y semillas, por lo que constituye un alimento habitual de la dieta humana. En la presente tesis doctoral se han tratado dos aspectos fundamentales del \u00e1cido f\u00edtico, por una parte se han estudiado y desarrollado neuvos m\u00e9todos anal\u00edticos de determinaci\u00f3n de \u00e1cido f\u00edtico en muestras biol\u00f3gicas y por otra parte se han desarrollado y estudiado diversos aspectos biol\u00f3gicos del \u00e1cido f\u00edtico tanto en animales de experimentaci\u00f3n (ratas wistar) como en humanos.  de los diferentes m\u00e9todos anal\u00edticos desarrollados, caben destacar dos: el primero se trata de un m\u00e9todo extracto-fotom\u00e9trico basado en la purificaci\u00f3n del \u00e1cido f\u00edtico y determinaci\u00f3n fotom\u00e9trica de los fosfatos provenientes de su hidr\u00f3lisis, dicha metodolog\u00eda permite determinar el \u00e1cido f\u00edtico de muestras urinarias, el segundo se fundamenta en la purificaci\u00f3n del \u00e1cido f\u00edtico, hidr\u00f3lisis enxim\u00e1tica para rendir myo-inositol, derivatizaci\u00f3n y cuantificaci\u00f3n de \u00e9ste pro cg\/ms. \u00e9sta \u00faltima metodolog\u00eda permite determinar el \u00e1cido f\u00edtico preente en tejidos y fluidos biol\u00f3gicos.  los estudio biol\u00f3gicos han demostrado entre otros los siguientes aspectos:  * la excreci\u00f3n urinaria de \u00e1cido f\u00edtico se encuentra directamente relacionada con su ingesta oral. De hecho al eliminar la ingesta oral de \u00e1cido f\u00edtico tanto los niveles en tejidos como fluidos biol\u00f3gicos disminuyen dr\u00e1sticamente.  * con un consumo moderado, consumo que en ning\u00fan caso produce problemas de biodisponibilidad, se alcanzan unos niveles \u00f3ptimos para el organismo.  * la administraci\u00f3n de cantidades moderadas de \u00e1cidof\u00edtico evita la formaci\u00f3n de calificaciones en el tejido renal de ratas wistar hembra.  * los niveles de \u00e1cido f\u00edtico enlos pacientes liti\u00e1sicos oxaloc\u00e1lcicos son claramente inferiores a<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>\u00e1cido f\u00edtico: nuevas determinaciones anal\u00edticas y aspectos biol\u00f3gicos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 \u00e1cido f\u00edtico: nuevas determinaciones anal\u00edticas y aspectos biol\u00f3gicos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Bartolom\u00e9 Miguel Simonet Suau <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Illes balears<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/04\/2001<\/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>Felix Grases Freixedas<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel Valcarcel cases <\/li>\n<li>carmen Camara rico (vocal)<\/li>\n<li>Mar\u00eda dolores P\u00e9rez bendito (vocal)<\/li>\n<li>antoni Gelabert mas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Bartolom\u00e9 Miguel Simonet Suau El \u00e1cido f\u00edtico es un producto natural ampliamente distribuido en el reino vegetal [&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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