{"id":138484,"date":"2026-01-12T17:35:53","date_gmt":"2026-01-12T17:35:53","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-obtencion-y-aplicacion-de-fitoecdisteroides\/"},"modified":"2026-01-12T17:35:53","modified_gmt":"2026-01-12T17:35:53","slug":"estudio-de-la-obtencion-y-aplicacion-de-fitoecdisteroides","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/estudio-de-la-obtencion-y-aplicacion-de-fitoecdisteroides\/","title":{"rendered":"Estudio de la obtencion y aplicacion de fitoecdisteroides"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jaime Tomas Navarro <\/strong><\/h2>\n<p>Se ha estudiado la obtencion de fitoecdisteroides a partir de cultivos in vitro de celulas y tejidos vegetales de plantas (ajuga reptans y polypodium vulgare). Para ello se ha puesto a punto una metodolog\u00eda analitica, que incluye el proceso extractivo y prepurificacion, para la cuantificacion por hplc de los ecdisteroides presentes en este tipo de muestras. El metodo desarrollado es fiable, repetitivo y permite el procesamiento rapido de gran cantidad de muestras, asi como la cuantificacion de muestras muy peque\u00f1as. Con esta metodolog\u00eda se ha estudiado el contenido de una serie de tejidos de ajuga reptans, de diversa procedencia y en diferentes estados fisiologicos, determinandose el tejido productor de los ecdisteroides y recopilandose una coleccion de datos esencial para iniciar el estudio de la biosintesis de estos compuestos en las plantas. Tambien se ha llevado a cabo un estudio teorico sobre la estructura de algunos ecdisteroides, basandose en los cuales se ha sintetizado el primer analogo fluorado de la hormona de muda de los insectos, utilizando como producto de partida 20-hidroxiecdisona obtenida de cultivos in vitro. Se ha evaluado la actividad biologica de los compuestos aislados de tejidos vegetales y de los obtenidos por modificaciones sinteticas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la obtencion y aplicacion de fitoecdisteroides<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la obtencion y aplicacion de fitoecdisteroides <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jaime Tomas Navarro <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1992<\/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>Josep Coll Toledano<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jose Castells Guardiola <\/li>\n<li> Bonet Sugranyes Juan  Julio (vocal)<\/li>\n<li>Ernest Giralt Lledo (vocal)<\/li>\n<li>Francesc Camps Diez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jaime Tomas Navarro Se ha estudiado la obtencion de fitoecdisteroides a partir de cultivos in vitro de [&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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