{"id":137925,"date":"2026-01-12T17:09:16","date_gmt":"2026-01-12T17:09:16","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/composicion-quimica-de-las-ramas-de-prunus-spinosa-l\/"},"modified":"2026-01-12T17:09:16","modified_gmt":"2026-01-12T17:09:16","slug":"composicion-quimica-de-las-ramas-de-prunus-spinosa-l","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/composicion-quimica-de-las-ramas-de-prunus-spinosa-l\/","title":{"rendered":"Composicion quimica de las ramas de prunus spinosa l."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ana Crespo Irizar <\/strong><\/h2>\n<p>A partir de la fraccion butanolica del extracto acuoso de ramas de prunus spinosa, se han aislado los flavonoides ya conocidos 3,7-diramnosido de kampferol, 3-0- -l-ara-binofuranosil-kampferol-7-0- -l-ramnofuranosido y 7-0- -d-glucosido de naringenina. Dos derivados de acidos fenolicos, el 1-0-p-cumaroil- -d-glucopiranosa y 1-0-cafeoil-glucopiranosa. Asi mismo se han aislado catequina y epicatequina.  se ha identificado ademas el 5-hidroxi-6-metoxi-7-0- -d-glucosil-cumarina no encontrado en la bibliografia. Tambien se han obtenido 9 proantocianidinas tipo a, de las que se han caracterizado completamente 4; la ent-epiazcelequina-(2 -7,4 -8)-epiafcelequina y ent-epicatequina-(2 -7,4-8)-epicatequina ya descritas en la bibliografia.  y ent-epiafcelequina-(2 -7,4 -8)-epicatequina y ent-epicatequina-(2 -7,4 -8)-catequina nuevas en la bibliografia. Para las restantes no se ha completado la identificacion.  la elucidacion de las estructuras se llevo a cabo por metodos espectroscopicos: rmn1h, rmn13c, espectrometria de masas y dicroismo circular. Y difraccion de rayos x.  se realizo un estudio conformacional, mediante el uso de mecanica molecular, de todos los dimeros de procianidinas y propelargonidinas tipo a.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Composicion quimica de las ramas de prunus spinosa l.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Composicion quimica de las ramas de prunus spinosa l. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ana Crespo Irizar <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1991<\/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>Margarita Fernandez Fernandez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Gonzalez Gonzalez <\/li>\n<li>Edurne Cenarruzabeitia Sagarminaga (vocal)<\/li>\n<li>Tomas Adzet Porredon (vocal)<\/li>\n<li>Berta Esperanza Lasheras Aldaz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ana Crespo Irizar A partir de la fraccion butanolica del extracto acuoso de ramas de prunus spinosa, [&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":[9,489,957,17749],"tags":[60749,4193,17956,17998,17848,19853],"class_list":["post-137925","post","type-post","status-publish","format-standard","hentry","category-ciencias-medicas","category-farmacognosia","category-farmacologia","category-navarra","tag-ana-crespo-irizar","tag-antonio-gonzalez-gonzalez","tag-berta-esperanza-lasheras-aldaz","tag-edurne-cenarruzabeitia-sagarminaga","tag-margarita-fernandez-fernandez","tag-tomas-adzet-porredon"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/137925","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=137925"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/137925\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=137925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=137925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=137925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}