{"id":98105,"date":"2018-03-11T10:18:48","date_gmt":"2018-03-11T10:18:48","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-y-optimizacion-de-la-crianza-sobre-la%c2%adas-en-vinos-tintos-incidencia-de-la-autolisis-de-levaduras\/"},"modified":"2018-03-11T10:18:48","modified_gmt":"2018-03-11T10:18:48","slug":"estudio-y-optimizacion-de-la-crianza-sobre-la%c2%adas-en-vinos-tintos-incidencia-de-la-autolisis-de-levaduras","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/vino\/estudio-y-optimizacion-de-la-crianza-sobre-la%c2%adas-en-vinos-tintos-incidencia-de-la-autolisis-de-levaduras\/","title":{"rendered":"Estudio y optimizaci\u00f3n de la crianza sobre l\u00edas en vinos tintos: incidencia de la autolisis de levaduras."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Felipe Palomero Rodr\u00edguez <\/strong><\/h2>\n<p>La t\u00e9cnica de crianza sobre l\u00edas est\u00e1 incrementando su relevancia en la elaboraci\u00f3n de vinos tintos, ya que mediante su empleo es posible la consecuci\u00f3n de vinos de marcada personalidad, lo cual resulta interesante en un mercado global y marcado por la homogeneidad. En contrapartida surgen riesgos que derivan del enriquecimiento del medio en nutrientes y que pueden repercutir negativamente sobre la calidad y estabilidad de los vinos.   la presente tesis doctoral estudia la liberaci\u00f3n autol\u00edtica de polisac\u00e1ridos parietales en vinos tintos, y su repercusi\u00f3n en el contenido y evoluci\u00f3n de pigmentos antoci\u00e1nicos. Adem\u00e1s, se propone una metodolog\u00eda que permite, seg\u00fan criterios de inter\u00e9s enol\u00f3gico, aplicar la selecci\u00f3n de levaduras para reducir los tiempos de crianza. En este sentido se han evaluado diferentes g\u00e9neros de levaduras, saccharomyces y no saccharomyces, para su posible empleo en el envejecimiento sobre l\u00edas de vinos tintos. La pared celular de ciertas levaduras osm\u00f3filas no saccharomyces, muestra una arquitectura molecular en su estructura y composici\u00f3n qu\u00edmica, espec\u00edfica y particular, que podr\u00eda resultar interesante desde un punto autol\u00edtico.  tambi\u00e9n se ha estudiado la incidencia de diferentes preparados comerciales con acci\u00f3n \u00edY-glucanasa en la liberaci\u00f3n de polisac\u00e1ridos parietales y su influencia sobre las propiedades crom\u00e1ticas y el contenido y evoluci\u00f3n de pigmentos antoci\u00e1nicos  palabras clave: autolisis, polisac\u00e1ridos, antocianos, l\u00edas, levaduras no saccharomyces  abstract  the technique of aging over lees is gaining importance in the production of red wines since it affords an efficient means of obtaining high quality products with their own  identity; something of importance in a saturated market showing a great deal of homogeneity. In contrast, there are some risks derived from the nutrient enrichment of the medium which can seriously affect the quality and safety of the wines aged this way. this work studies the autolytic release of cell wall polysaccharides in red wines, and its repercussion on the evolution and content of anthocyanins. Furthermore, a new methodology to develop the ageing over lees technique allowing the selection of yeasts in the basis of criterion of interests is proposed. In this way several saccharomyces and no saccharomyces yeast species have been evaluated regarding their possible use to aged wines over lees. The molecular architecture and chemical composition shown by the cell walls of certain osmophilic yeasts, is quite unusual within the family saccharomycetaceae, and this could be of interest to speed up autolytic processes. the incidence of different commercial enzyme preparations in the autolytic release of cell wall fragments and its effects on the evolution on the colouring matter have been also studied.  keywords: autolysis, polysaccharides, anthocyanins, lees, non saccharomyces yeasts<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio y optimizaci\u00f3n de la crianza sobre l\u00edas en vinos tintos: incidencia de la autolisis de levaduras.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio y optimizaci\u00f3n de la crianza sobre l\u00edas en vinos tintos: incidencia de la autolisis de levaduras. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Felipe Palomero Rodr\u00edguez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/12\/2009<\/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>Jos\u00e9 Antonio Su\u00e1rez Lepe<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: fernando Calderon fernandez <\/li>\n<li>carmelo Garc\u00eda barroso (vocal)<\/li>\n<li>isabel Estrella pedrola (vocal)<\/li>\n<li>Ana rosa Guti\u00e9rrez viguera (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Felipe Palomero Rodr\u00edguez La t\u00e9cnica de crianza sobre l\u00edas est\u00e1 incrementando su relevancia en la elaboraci\u00f3n de [&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":[8944,1715,20829,16008,1593],"tags":[191115,1597,200758,30635,43694,16364],"class_list":["post-98105","post","type-post","status-publish","format-standard","hentry","category-bebidas-alcoholicas","category-elaboracion-de-alimentos","category-microbiologia-de-alimentos","category-politecnica-de-madrid","category-vino","tag-ana-rosa-gutierrez-viguera","tag-carmelo-garcia-barroso","tag-felipe-palomero-rodriguez","tag-fernando-calderon-fernandez","tag-isabel-estrella-pedrola","tag-jose-antonio-suarez-lepe"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/98105","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=98105"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/98105\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=98105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=98105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=98105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}