{"id":85576,"date":"2000-03-07T00:00:00","date_gmt":"2000-03-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/variacion-de-la-composicion-de-los-frutos-de-pacharan-prunus-spinosa-l-durante-la-maduracion-indices-de-maduracion\/"},"modified":"2000-03-07T00:00:00","modified_gmt":"2000-03-07T00:00:00","slug":"variacion-de-la-composicion-de-los-frutos-de-pacharan-prunus-spinosa-l-durante-la-maduracion-indices-de-maduracion","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/variacion-de-la-composicion-de-los-frutos-de-pacharan-prunus-spinosa-l-durante-la-maduracion-indices-de-maduracion\/","title":{"rendered":"Variacion de la composicion de los frutos de pacharan prunus spinosa l durante la maduracion. indices de maduracion"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Oscar Urrutia Sagardia <\/strong><\/h2>\n<p>El pacharan es un licor de navarra obtenido por maceraci\u00f3n de frutos de pachar\u00e1n (prunus spinosa l) de creciente expansi\u00f3n internacional. Recientemente se han desarrollado en navarra cuatro variedades de prunus spinosa l.Cultivables para garantizar el abastecimiento del fruto a los fabricantes del licor. en este contexto parece apropiado determinar indices maduraci\u00f3n del fruto a partir de los que se\u00f1alar el mejor momento de la recoleci\u00f3n.  se ha estudiado la evoluci\u00f3n de la composici\u00f3n en frutos silvestres de dos zonas y de las cuatro variedades cultivados usando como referencia la evoluci\u00f3n de la firmeza y la actividad b galactosidasa para indicar el estado de la maduraci\u00f3n. Los resultados revelan que el \u00edndice de maduraci\u00f3n m\u00e1s apropiado es (azucares\/acidez)*antocianinas. Otros indices reproducibles son el contenido en azucares reductores, el cociente azucares\/acidez, azucares\/ph y el producto (azucares\/acidez)*peso fresco, aunque varian ligeramente entre frutos silvestres y cultivados. Se ha observado un gran paralelismo entre la caida de la firmeza y el aumento de actividad b galactosidasa en estos frutos. Tambien se ha comprobado que las mayores diferencias entre frutos silvestres y cultivados se deben al tama\u00f1o y contenido en polifenoles totales y taninos, razon por la que no se han descrito indices de maduraci\u00f3n a partir de ellos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Variacion de la composicion de los frutos de pacharan prunus spinosa l durante la maduracion. indices de maduracion<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Variacion de la composicion de los frutos de pacharan prunus spinosa l durante la maduracion. indices de maduracion <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Oscar Urrutia Sagardia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 03\/07\/2000<\/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:  Alvarez de la vega felix <\/li>\n<li>Manuel Sanchez diaz (vocal)<\/li>\n<li>Jos\u00e9 Iglesias angles (vocal)<\/li>\n<li>ignacio Casado redin (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Oscar Urrutia Sagardia El pacharan es un licor de navarra obtenido por maceraci\u00f3n de frutos de pachar\u00e1n [&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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