{"id":69564,"date":"2018-03-09T23:14:02","date_gmt":"2018-03-09T23:14:02","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-de-los-microorganismos-presentes-en-vinos-tintos-de-la-region-del-dao-en-portugal-identificacion-de-los-microorganismos-productores-de-fenoles-volatiles\/"},"modified":"2018-03-09T23:14:02","modified_gmt":"2018-03-09T23:14:02","slug":"caracterizacion-de-los-microorganismos-presentes-en-vinos-tintos-de-la-region-del-dao-en-portugal-identificacion-de-los-microorganismos-productores-de-fenoles-volatiles","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/salamanca\/caracterizacion-de-los-microorganismos-presentes-en-vinos-tintos-de-la-region-del-dao-en-portugal-identificacion-de-los-microorganismos-productores-de-fenoles-volatiles\/","title":{"rendered":"Caracterizacion de los microorganismos presentes en vinos tintos de la region del dao en portugal. identificacion de los microorganismos productores de fenoles volatiles."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Luis Manuel Lopes Rodrigues Da Silva <\/strong><\/h2>\n<p>El deterioro por fenoles vol\u00e1tiles es uno de los m\u00e1s importantes que afectan a los vinos tintos produciendo grandes p\u00e9rdidas econ\u00f3micas a nivel mundial. en la regi\u00f3n del dao, en portugal, la producci\u00f3n de vinos de crianza biol\u00f3gica se lleva a cabo de una manera tradicional en barricas de madera, que pueden ser las responsables de la presencia de dekkera bruxellensis en el vino. esta levadura es uno de los microorganismos capaces de originar fenoles vol\u00e1tiles a partir de algunos \u00e1cidos presentes en los vinos.  por lo tanto, los objetivos de este trabajo fueron la caracterizaci\u00f3n e identificaci\u00f3n de los microorganismos presentes en vinos tintos deteriorados por fenoles vol\u00e1tiles procedentes de la regi\u00f3n del dao, la identificaci\u00f3n de los microorganismos productores de los mismos en el vino y el dise\u00f1o de un medio de cultivo selectivo y diferencial para el aislamiento de dekkera bruxellensis.  la caracterizaci\u00f3n e identificaci\u00f3n se llev\u00f3 a cabo por m\u00e9todos fenot\u00edpicos y moleculares, que revelaron la presencia de seis especies de levaduras (dekkera bruxellensis, pichia fluxuum, debaryomyces hansenii, pichia membranifaciens, saccharomyces cerevisiae) y de cinco especies de bacterias (acetobacter oeni sp. Nov., Acetobacter pasteurianus, gluconobacter oxydans, oenococcus oeni, staphylococcus warneri) en los vinos analizados. La identificaci\u00f3n de levaduras se llev\u00f3 a cabo, previa agrupaci\u00f3n de las mismas utilizando el tama\u00f1o de los fragmentos de its junto con su perfil de rflp utilizando la enzima de restricci\u00f3n hae iii, utilizando la secuenciaci\u00f3n tanto de este fragmento como del dominio d1\/d2 del gen ribos\u00f3mico 18s. Las bacterias se agruparon utilizando los perfiles de tp-rapd, se clasificaron en diferentes g\u00e9neros utilizando la secuencia completa del gen ribos\u00f3mico 16s y se identificaron utilizando los perfiles electrofor\u00e9ticos de lmw rna. En uno de los grupos obtenidos se analiz\u00f3 la hibridaci\u00f3n del dna total p<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizacion de los microorganismos presentes en vinos tintos de la region del dao en portugal. identificacion de los microorganismos productores de fenoles volatiles.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizacion de los microorganismos presentes en vinos tintos de la region del dao en portugal. identificacion de los microorganismos productores de fenoles volatiles. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Luis Manuel Lopes Rodrigues Da Silva <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/07\/2004<\/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>Mar\u00eda Encarnaci\u00f3n Olimpia Vel\u00e1zquez P\u00e9rez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: andres Chordi corbo <\/li>\n<li> Branquinho de andrade paula cristina (vocal)<\/li>\n<li>tom\u00e1s Gonz\u00e1lez villa (vocal)<\/li>\n<li>yolanda Gutierrez fernandez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Luis Manuel Lopes Rodrigues Da Silva El deterioro por fenoles vol\u00e1tiles es uno de los m\u00e1s importantes [&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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