{"id":2638,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/composicion-aromatica-y-biogenesis-de-compuestos-volatiles-en-fresa-fragaria-x-ananassa-duch-var-chandler\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"composicion-aromatica-y-biogenesis-de-compuestos-volatiles-en-fresa-fragaria-x-ananassa-duch-var-chandler","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/composicion-aromatica-y-biogenesis-de-compuestos-volatiles-en-fresa-fragaria-x-ananassa-duch-var-chandler\/","title":{"rendered":"Composicion aromatica y biogenesis de compuestos volatiles en fresa (fragaria x ananassa duch.) var. chandler."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ana Gracia P\u00e9rez Rubio <\/strong><\/h2>\n<p>El estudio de la composicion aromatica de fresas de la variedad chandler, mediante gc-ms y hplc-ms, identifica dos grupos de compuestos fundamentales en el aroma de esta variedad: los derivados del furaneol y los esteres de etilo. La formacion de esteres volatiles esta determinada por la disponibilidad de precursores y por las caracteristicas de la enzima alcohol aciltransferasa.  el analisis de aminoacidos libres durante la maduracion del fruto muestra una relacion directa entre el contenido de alanina libre y la produccion de esteres de etilo. La formacion de esteres esta catalizada por la enzima alcohol aciltransferasa que se purifico y caracterizo. La enzima tiene un peso molecular de 70kda, phoptimo de 8 y temperatura optima de 35c. Los estudios de especificidad indican que el hexanol y el acetil-coa son los substratos preferidos, los datos de especificidad por distintos alcoholes y acil-coas indican un papel clave de la enzima en el control de la biogenesis del aroma.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Composicion aromatica y biogenesis de compuestos volatiles en fresa (fragaria x ananassa duch.) var. chandler.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Composicion aromatica y biogenesis de compuestos volatiles en fresa (fragaria x ananassa duch.) var. chandler. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ana Gracia P\u00e9rez Rubio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Sevilla<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/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> Olias Jimenez Jos\u00e9 Manuel<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Victoriano Valpuesta Fernandez <\/li>\n<li>Miguel \u00e1ngel De La Rosa Acosta (vocal)<\/li>\n<li> De La Torre Casas Angel (vocal)<\/li>\n<li>Francisco Millan Rodriguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ana Gracia P\u00e9rez Rubio El estudio de la composicion aromatica de fresas de la variedad chandler, mediante [&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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