{"id":54617,"date":"2022-10-10T11:22:40","date_gmt":"2022-10-10T10:22:40","guid":{"rendered":"https:\/\/agrovin.com\/lutilisation-dultrasons-de-forte-puissance-pour-reduire-la-teneur-en-alcool-des-vins-rouges\/"},"modified":"2025-06-26T16:28:09","modified_gmt":"2025-06-26T14:28:09","slug":"lutilisation-dultrasons-de-forte-puissance-pour-reduire-la-teneur-en-alcool-des-vins-rouges","status":"publish","type":"post","link":"https:\/\/agrovin.com\/fr\/lutilisation-dultrasons-de-forte-puissance-pour-reduire-la-teneur-en-alcool-des-vins-rouges\/","title":{"rendered":"L&#8217;utilisation d&#8217;ultrasons de forte puissance pour r\u00e9duire la teneur en alcool des vins rouges"},"content":{"rendered":"<p>Pour <strong>obtenir des vins avec un pourcentage d&#8217;alcool plus faible<\/strong>, la strat\u00e9gie la plus simple consisterait \u00e0 r\u00e9colter les raisins plus t\u00f4t. Toutefois, cela a des cons\u00e9quences sur la composition et la <strong>qualit\u00e9 du vin<\/strong>, car ces raisins peuvent pr\u00e9senter un <strong>manque de maturit\u00e9 ph\u00e9nolique<\/strong>.<\/p>\n<p>Une innovation technologique qui pourrait aider dans cette situation serait l&#8217;utilisation d&#8217;ultrasons dans les \u00e9tablissements vinicoles, et c&#8217;est ce qu&#8217;a montr\u00e9 l&#8217;\u00e9tude r\u00e9alis\u00e9e par Mar\u00eda Pilar Mart\u00ednez-P\u00e9rez, Ana Bel\u00e9n Bautista-Ort\u00edn, Paula P\u00e9rez-Porras, Encarna G\u00f3mez-Plaza, membres du d\u00e9partement de science et technologie alimentaire de l&#8217;universit\u00e9 de Murcie, et Ricardo Jurado, directeur technique d&#8217;Agrovin.<\/p>\n<p>Les raisins ont \u00e9t\u00e9 r\u00e9colt\u00e9s \u00e0 deux niveaux de maturit\u00e9 diff\u00e9rents (25,4 \u00b0Brix et 29 \u00b0Brix), transport\u00e9s \u00e0 l&#8217;\u00e9tablissement vinicole et vinifi\u00e9s. En outre, un syst\u00e8me \u00e0 <a href=\"https:\/\/agrovin.com\/technology\/ultrawine-perseo\/\"><strong>ultrasons de forte puissance<\/strong><\/a> et \u00e0 grande \u00e9chelle a \u00e9t\u00e9 utilis\u00e9 pour traiter les raisins moins m\u00fbrs juste apr\u00e8s le foulage. Ces raisins ont aussi \u00e9t\u00e9 vinifi\u00e9s. Les trois diff\u00e9rentes vinifications ont \u00e9t\u00e9 mac\u00e9r\u00e9es sur les peaux pendant 7 jours. Au moment de la mise en bouteille, les compos\u00e9s aromatiques du vin ont \u00e9t\u00e9 analys\u00e9s, ainsi que ses caract\u00e9ristiques physico-chimiques, chromatiques et sensorielles.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/agrovin.com\/wp-content\/uploads\/2021\/12\/Sistema-Ultrawine-Web.png\" width=\"384\" height=\"401\" alt=\"\" title=\"\"><\/p>\n<p>En cons\u00e9quence, le vin \u00e9labor\u00e9 \u00e0 partir des <strong>raisins trait\u00e9s par ultrasons<\/strong> pr\u00e9sentait des caract\u00e9ristiques tr\u00e8s similaires \u00e0 celles du vin \u00e9labor\u00e9 \u00e0 partir des raisins moins m\u00fbrs, notamment en termes de teneur en tanin total et en ph\u00e9nols totaux, mais avec une teneur en alcool inf\u00e9rieure de 15 % \u00e0 celle de ces derniers. Cela indique que cette technologie pourrait \u00eatre appliqu\u00e9e aux raisins pour favoriser l&#8217;extraction des compos\u00e9s ph\u00e9noliques des raisins avant m\u00eame que la maturit\u00e9 ph\u00e9nolique ne soit compl\u00e8te, permettant ainsi la production de vins de qualit\u00e9 \u00e0 teneur r\u00e9duite en alcool.<\/p>\n<p>L&#8217;\u00e9tude compl\u00e8te <a href=\"https:\/\/agrovin.com\/agrv\/pdf\/articulos\/Uso%20de%20ultrasonidos%20de%20alta%20potencia%20para%20reducir%20el%20alcohol%20en%20vinos%20tintos.pdf\">ici<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pour obtenir des vins avec un pourcentage d&#8217;alcool plus faible, la strat\u00e9gie la plus simple consisterait \u00e0 r\u00e9colter les raisins plus t\u00f4t. Toutefois, cela a des cons\u00e9quences sur la composition et la qualit\u00e9 du vin, car ces raisins peuvent pr\u00e9senter un manque de maturit\u00e9 ph\u00e9nolique. Une innovation technologique qui pourrait aider dans cette situation serait [&hellip;]<\/p>\n","protected":false},"author":359,"featured_media":81838,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-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-opacity":"","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-opacity":"","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-opacity":"","overlay-gradient":""}},"ast-content-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-opacity":"","overlay-gradient":""},"tablet":{"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-opacity":"","overlay-gradient":""},"mobile":{"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-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3312,3083],"tags":[],"class_list":["post-54617","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eco","category-technology-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/agrovin.com\/fr\/wp-json\/wp\/v2\/posts\/54617","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agrovin.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agrovin.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agrovin.com\/fr\/wp-json\/wp\/v2\/users\/359"}],"replies":[{"embeddable":true,"href":"https:\/\/agrovin.com\/fr\/wp-json\/wp\/v2\/comments?post=54617"}],"version-history":[{"count":1,"href":"https:\/\/agrovin.com\/fr\/wp-json\/wp\/v2\/posts\/54617\/revisions"}],"predecessor-version":[{"id":120428,"href":"https:\/\/agrovin.com\/fr\/wp-json\/wp\/v2\/posts\/54617\/revisions\/120428"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agrovin.com\/fr\/wp-json\/wp\/v2\/media\/81838"}],"wp:attachment":[{"href":"https:\/\/agrovin.com\/fr\/wp-json\/wp\/v2\/media?parent=54617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agrovin.com\/fr\/wp-json\/wp\/v2\/categories?post=54617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agrovin.com\/fr\/wp-json\/wp\/v2\/tags?post=54617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}