{"id":53967,"date":"2006-11-07T00:00:00","date_gmt":"2006-11-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aprovechamiento-de-residuos-agroforestales-e-industriales-de-caracter-lignocelulosico-para-la-produccion-biotecnologica-de-compuestos-de-interes-alimentario\/"},"modified":"2006-11-07T00:00:00","modified_gmt":"2006-11-07T00:00:00","slug":"aprovechamiento-de-residuos-agroforestales-e-industriales-de-caracter-lignocelulosico-para-la-produccion-biotecnologica-de-compuestos-de-interes-alimentario","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/tecnologia-de-los-alimentos\/aprovechamiento-de-residuos-agroforestales-e-industriales-de-caracter-lignocelulosico-para-la-produccion-biotecnologica-de-compuestos-de-interes-alimentario\/","title":{"rendered":"Aprovechamiento de residuos agroforestales e industriales de car\u00e1cter lignocelul\u00f3sico para la producci\u00f3n biotecnol\u00f3gica de compuestos de inter\u00e9s alimentario"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Beatriz Rivas Torres <\/strong><\/h2>\n<p>Los materiales lignocelul\u00f3sicos procedentes de los sectores agr\u00edcola, forestal o industrial son una fuente de recursos renovables con un gran potencial como materia prima dentro de la industria alimentaria. Tradicionalmente la obtenci\u00f3n de aditivos para la industria alimentaria se ha realizado mediante s\u00edntesis qu\u00edmica. Los objetivos de esta tesis doctoral contemplan el estudio del aprovechamiento de los materiales de composici\u00f3n lingocelul\u00f3sica encaminada hacia la producci\u00f3n biotecnol\u00f3gica de aditivos alimentarios aplicando diferentes procesos de fraccionamiento de materiales lignocelul\u00f3sicos en medios acuosos para la obtenci\u00f3n de sus diferentes componentes y posterior transformaci\u00f3n por v\u00eda biotecnol\u00f3gica en productos de inter\u00e9s alimentario de alto valor a\u00f1adido.     la labor experimental se enfoc\u00f3 hacia la producci\u00f3n de un edulcorante alimentario, el xilitol, a partir de la fracci\u00f3n hemicelul\u00f3sica de materiales lignocelul\u00f3sicos mediante s\u00edntesis fermentativa, el estudio de los fundamentos bioqu\u00edmicos implicados en el proceso fermentativo y desarrollo de un proceso de refinado que permita obtener cristales de xilitol de elevada pureza. Adicionalmente, se llev\u00f3 a cabo la producci\u00f3n biotecnol\u00f3gica de un conservaste alimentario, el \u00e1cido l\u00e1ctico, a partir de la fracci\u00f3n celul\u00f3sica de materiales lignocelul\u00f3sicos.     este estudio se realiz\u00f3 analizando la influencia de las variables de operaci\u00f3n m\u00e1s importantes sobre cada una de las etapas. Se estudiaron diferentes procesos de fraccionamiento y se establecieron las condiciones \u00f3ptimas para la obtenci\u00f3n de sustratos susceptibles de ser utilizados en las posteriores etapas de transformaci\u00f3n biotecnol\u00f3gica. Se realizaron trabajos encaminados a optimizar v\u00edas de aprovechamiento biotecnol\u00f3gico para cada una de esas fracciones seleccionando los microorganismos que conducen a la obtenci\u00f3n de compuestos de inter\u00e9s alimentario, t\u00e9cnicas de destoxificaci\u00f3n de los medios fermentati<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aprovechamiento de residuos agroforestales e industriales de car\u00e1cter lignocelul\u00f3sico para la producci\u00f3n biotecnol\u00f3gica de compuestos de inter\u00e9s alimentario<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aprovechamiento de residuos agroforestales e industriales de car\u00e1cter lignocelul\u00f3sico para la producci\u00f3n biotecnol\u00f3gica de compuestos de inter\u00e9s alimentario <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Beatriz Rivas Torres <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Vigo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/07\/2006<\/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>Juan  Carlos Paraj\u00f3 Li\u00f1ares<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda jos\u00e9 N\u00fa\u00f1ez Garc\u00eda <\/li>\n<li>Antonio Vicente (vocal)<\/li>\n<li>enrique Roca bordello (vocal)<\/li>\n<li>Jos\u00e9 Manuel Cruz freire (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Beatriz Rivas Torres Los materiales lignocelul\u00f3sicos procedentes de los sectores agr\u00edcola, forestal o industrial son una fuente [&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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