{"id":19338,"date":"2002-04-10T00:00:00","date_gmt":"2002-04-10T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-del-valor-nutritivo-de-hortalizas-de-cultivo-ecologico\/"},"modified":"2002-04-10T00:00:00","modified_gmt":"2002-04-10T00:00:00","slug":"estudio-del-valor-nutritivo-de-hortalizas-de-cultivo-ecologico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-del-valor-nutritivo-de-hortalizas-de-cultivo-ecologico\/","title":{"rendered":"Estudio del valor nutritivo de hortalizas de cultivo ecol\u00f3gico"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda  Jose Martinez Tome <\/strong><\/h2>\n<p>La agricultura ecol\u00f3gica, org\u00e1nica o biol\u00f3gica es una alternativa a la consideraci\u00f3n convencional. Su finalidad es obtener alimentos de m\u00e1xima calidad nutritiva y sensorial, respetando el medio ambiente y conservando la fertilidad de la tiera y la diversidad gen\u00e9tica. Actualmente hay un inter\u00e9s creciente por la producci\u00f3n y el consumo de alimentos ecol\u00f3gicos, pero son escasos los estudios realizados sobre su calidad nutritiva. Teniendo en cuenta esta escasez de datos y el aumento del consumo de estos productos, el objetivo de nuestro trabajo fue estudiar el valor nutritivo de hortalizas de cultivo ecol\u00f3gico. Se han escogido vegetales de gran consumo en nuestro pa\u00eds, procedentes de comercios especializados y de una finca, y se seleccionaron distintas partes del vegetal consumidas habitualmente; de hoja: acelga, acelga silvestre, espinaca y repollo; de flor: coliflor; de fruto: berenjena y calabaci\u00f3n.  para lograr el objetivo propuesto, se estudiaron ph, \u00c2\u00babrix, acidez, humedad, prote\u00ednas (totales y solubles), az\u00facares totales, fibra neutro detergente, sustancias p\u00e9cticas y cenizas; adem\u00e1s, se realiz\u00f3 el estudio detallado de az\u00facares solubles y micronutrientes (vitaminas hidrosulubles, beta-caroteno y elementos minerales), as\u00ed como algunos compuestos indeseables: nitratos y \u00e1cido ox\u00e1lico. De los resultados obtenidos se deduce que se trata de alimentos ligeramente \u00e1cidos; con mayor contenido de materia seca en las hortalizas de hoja.  entre las vitaminas, destaca la vitamina c como mayoritaria, principalmente en la coliflor y con menor contenido en la berenjea. Respecto a los compuestos indeseables, los nitratos aparecen en cantidad variable en las diferentes hortalizas, encontr\u00e1ndose en mayor cantidad en acelgas y espinacas, pero no se alcanzaron los valores se\u00f1alados como l\u00edmite m\u00e1ximo en la normativa para estas \u00faltimas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio del valor nutritivo de hortalizas de cultivo ecol\u00f3gico<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio del valor nutritivo de hortalizas de cultivo ecol\u00f3gico <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda  Jose Martinez Tome <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 04\/10\/2002<\/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>Esperanza Torija Isasa<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: carmen D\u00edez marqu\u00e9s <\/li>\n<li> Guil guerrero Jos\u00e9 Luis (vocal)<\/li>\n<li>asunci\u00f3n Molina casino (vocal)<\/li>\n<li>Mar\u00eda  antonia Murcia tomas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Jose Martinez Tome La agricultura ecol\u00f3gica, org\u00e1nica o biol\u00f3gica es una alternativa a la consideraci\u00f3n convencional. [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[59446,47522,5435,6207,59447,59445],"class_list":["post-19338","post","type-post","status-publish","format-standard","hentry","category-sin-categoria","tag-asuncion-molina-casino","tag-carmen-diez-marques","tag-esperanza-torija-isasa","tag-guil-guerrero-jose-luis","tag-maria-antonia-murcia-tomas","tag-maria-jose-Martinez-tome"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/19338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=19338"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/19338\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=19338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=19338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=19338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}