{"id":66843,"date":"2008-11-09T00:00:00","date_gmt":"2008-11-09T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-qua%c2%admica-y-sensorial-del-aroma-del-vinagre-de-vino\/"},"modified":"2008-11-09T00:00:00","modified_gmt":"2008-11-09T00:00:00","slug":"caracterizacion-qua%c2%admica-y-sensorial-del-aroma-del-vinagre-de-vino","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/tecnologia-de-los-alimentos\/caracterizacion-qua%c2%admica-y-sensorial-del-aroma-del-vinagre-de-vino\/","title":{"rendered":"Caracterizaci\u00f3n qu\u00edmica y sensorial del aroma del vinagre de vino"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Raquel M\u00aa Callej\u00f3n Fern\u00e1ndez <\/strong><\/h2>\n<p>La presente tesis doctoral pretende caracterizar qu\u00edmica y sensorialmente el aroma de diferentes vinagres de vino: vinagres de jerez, vinagres de vino tinto y bals\u00e1micos. Ya que los amino\u00e1cidos se consideran precursores del aroma y son la principal fuente del nitr\u00f3geno de las bacterias ac\u00e9ticas, se pone a punto un m\u00e9todo para la determinaci\u00f3n de amino\u00e1cidos por cromarograf\u00eda de l\u00edquidos empleando el agente aqc y se aplica para estudiar la composici\u00f3n de amino\u00e1cidos de vinagres de vino y vinos en proceso de acetificaci\u00f3n (tanto por cultivo superficial como sumergido). Tambi\u00e9n se pone  punto un m\u00e9todo para la determinaci\u00f3n de compuestos vol\u00e1tiles extracci\u00f3n por absorci\u00f3n con barras magn\u00e9ticas agitadoras en espacio de cabeza seguido de cromatograf\u00eda de gases acoplada a espectrometr\u00eda de masas. Este m\u00e9todo se aplica al estudio de la evoluci\u00f3n de los compuestos vol\u00e1tiles durante el proceso de acetificaci\u00f3n (cultivo superficial y sumergido) de envejecimiento de vinagres de vino. Finalmente se describe el perfil arom\u00e1tico del vinagre de jerez mediante pruebas sensoriales y se correlaciona los resultados sensoriales con los datos qu\u00edmicos. Seguidamente se identifican aquellos compuestos vol\u00e1tiles que tienen un gran impacto sobre el aroma t\u00edpico del vinagre de jerez mediante diferentes t\u00e9cnicas olfatom\u00e9tricas (aeda y frecuencia de detecci\u00f3n).<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizaci\u00f3n qu\u00edmica y sensorial del aroma del vinagre de vino<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizaci\u00f3n qu\u00edmica y sensorial del aroma del vinagre de vino <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Raquel M\u00aa Callej\u00f3n Fern\u00e1ndez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Sevilla<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/09\/2008<\/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>Ana Mar\u00eda Troncoso Gonz\u00e1lez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: albert Mas bar\u00f3n <\/li>\n<li>M\u00aa teresa Tena v\u00e1zquez de la torre (vocal)<\/li>\n<li>vicente Ferreira gonzalez (vocal)<\/li>\n<li>Antonio  c\u00e9sar da Silva ferreira (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Raquel M\u00aa Callej\u00f3n Fern\u00e1ndez La presente tesis doctoral pretende caracterizar qu\u00edmica y sensorialmente el aroma de diferentes [&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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