{"id":24838,"date":"2018-03-09T09:15:58","date_gmt":"2018-03-09T09:15:58","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-anala%c2%adtico-de-la-contaminacion-de-aceites-vegetales-por-hidrocarburos-aromaticos-polica%c2%adclicos\/"},"modified":"2018-03-09T09:15:58","modified_gmt":"2018-03-09T09:15:58","slug":"estudio-anala%c2%adtico-de-la-contaminacion-de-aceites-vegetales-por-hidrocarburos-aromaticos-polica%c2%adclicos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/pais-vasco-euskal-herriko-unibertsitatea\/estudio-anala%c2%adtico-de-la-contaminacion-de-aceites-vegetales-por-hidrocarburos-aromaticos-polica%c2%adclicos\/","title":{"rendered":"Estudio anal\u00edtico de la contaminaci\u00f3n de aceites vegetales por hidrocarburos arom\u00e1ticos polic\u00edclicos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alejandro Barranco Ibarbia <\/strong><\/h2>\n<p>Una de  las familias de compuestos qu\u00edmicos cuya presencia en los alimentos es indeseada es la de los hidrocarburos arom\u00e1ticos polic\u00edclicos (haps), debido a su supuesto car\u00e1cter cancer\u00edgeno.  en este trabajo se desarrollan diferentes opciones t\u00e9cnicas para llevar a cabo el an\u00e1lisis de estos compuestos en aceites vegetales y otros alimentos grasos. En primer lugar, se optimizan cuatro metodolog\u00edas de preparaci\u00f3n de la muestra, previas a su separaci\u00f3n y cuantificaci\u00f3n mediante cromatograf\u00eda l\u00edquida de alta resoluci\u00f3n con detecci\u00f3n fluorim\u00e9trica. Estas metodolog\u00edas consisten en una extracci\u00f3n l\u00edquido-l\u00edquido seguida de una extracci\u00f3n en fase s\u00f3lida, un fraccionamiento mediante una columna de s\u00edlice de alta resoluci\u00f3n, un fraccionamiento mediante una columna de formaci\u00f3n de complejos donor-aceptor de alta resoluci\u00f3n y un fraccionamiento mediante una columna de al\u00famina de bajo presi\u00f3n.  a continuaci\u00f3n, se validan los m\u00e9todos propuestos utilizando materiales de referencia certificados. Finalmente, se aplica la metodolog\u00eda desarrollada al seguimiento de la contaminaci\u00f3n por haps de diferentes aceites vegetales durante su proceso de refinado, as\u00ed como a m\u00faltiples aceites comerciales y a otros alimentos grasos (margarinas y mayonesas).<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio anal\u00edtico de la contaminaci\u00f3n de aceites vegetales por hidrocarburos arom\u00e1ticos polic\u00edclicos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio anal\u00edtico de la contaminaci\u00f3n de aceites vegetales por hidrocarburos arom\u00e1ticos polic\u00edclicos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alejandro Barranco Ibarbia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/07\/2003<\/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>Francisca Vicente Estevez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: lucas Hernandez hernandez <\/li>\n<li>m. c. cristina Nerin de la puerta (vocal)<\/li>\n<li>rita Carabias mart\u00ednez (vocal)<\/li>\n<li> Guillen loren Mar\u00eda dolores (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alejandro Barranco Ibarbia Una de las familias de compuestos qu\u00edmicos cuya presencia en los alimentos es indeseada [&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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