{"id":84909,"date":"2000-08-06T00:00:00","date_gmt":"2000-08-06T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/prolongacion-de-la-vida-util-del-queso-fresco-de-burgos-mediante-la-actuacion-del-sistema-lactoperoxidasa\/"},"modified":"2000-08-06T00:00:00","modified_gmt":"2000-08-06T00:00:00","slug":"prolongacion-de-la-vida-util-del-queso-fresco-de-burgos-mediante-la-actuacion-del-sistema-lactoperoxidasa","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/prolongacion-de-la-vida-util-del-queso-fresco-de-burgos-mediante-la-actuacion-del-sistema-lactoperoxidasa\/","title":{"rendered":"Prolongacion de la vida util del queso fresco de burgos mediante  la actuacion del sistema lactoperoxidasa"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juncal Estepar Garcia <\/strong><\/h2>\n<p>El presente trabajo ha desarrollado el estudio de la prolongacion de la vida util del queso fresco de burgos elaborado mediante la activacion del sistema lactoperoxidasa mediado por la retencion de la enzima lactoperoxidasa durante la ultrafiltracion de la leche y la adicion de tiocianato y peroxido de hidrogeno a concentraciones que no resultan bactericidas per se, o bien mediante su generacion endogena por el empleo de glucosa oxidasa o su accion combinada con b-galactosidadasa.  se realizaron estudios en los que el tratamiento termico de la leche fue anterior o posterior al proceso de concentracion, comprobando su influencia en la conservacion del producto, asi como en la influencia de los tratamientos sobre la diferente flora microbiana. Al mismo tiempo se ha estudiado la eficacia de este sistema antimicrobiano en la inhibicion del crecimiento de cepas microbianas (gram negativos, gram positivos, levaduras y cultivos mixtos) inoculadas en leche concentrada o en queso fresco. La activacion del sistema lactoperoxidasa mediante la generacion endogena del peroxido de hidrogeno resulta una medida eficaz para controlar la alteracion del producto, en cualquier caso muy superior al que se encontro con la activacion del sistema mediante la adicion directa del peroxido del hidrogeno. El efecto antimicrobiano se ve claramente mejorado por la adicion de sorbato al queso, con un claro efecto sinergico.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Prolongacion de la vida util del queso fresco de burgos mediante  la actuacion del sistema lactoperoxidasa<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Prolongacion de la vida util del queso fresco de burgos mediante  la actuacion del sistema lactoperoxidasa <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juncal Estepar Garcia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Burgos<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 08\/06\/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> Ena Dalmau Jos\u00e9 Manuel<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: ana Bernardo \u00e1lvarez <\/li>\n<li>Miguel Calvo rebollar (vocal)<\/li>\n<li>manuela Juarez (vocal)<\/li>\n<li>baltasar Mayo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juncal Estepar Garcia El presente trabajo ha desarrollado el estudio de la prolongacion de la vida util [&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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