{"id":13943,"date":"2022-10-19T23:04:38","date_gmt":"2022-10-19T21:04:38","guid":{"rendered":"https:\/\/dev.oenobrands.com\/solution\/etapes-pre-fermentaires\/traitement-a-chaud-du-raisin\/"},"modified":"2025-10-20T21:08:28","modified_gmt":"2025-10-20T19:08:28","slug":"traitement-a-chaud-du-raisin","status":"publish","type":"page","link":"https:\/\/dev.oenobrands.com\/fr\/solution\/etapes-pre-fermentaires\/traitement-a-chaud-du-raisin\/","title":{"rendered":"Traitement \u00e0 chaud du raisin"},"content":{"rendered":"\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\"><strong>Qu&rsquo;est-ce qu&rsquo;un traitement thermique des raisins ?<\/strong><\/h2>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>L&rsquo;objectif initial de la thermovinification \u00e9tait de traiter rapidement de grandes quantit\u00e9s en chauffant les raisins, puis en r\u00e9alisant une vinification en phase liquide.<\/p>\n\n\n\n<p>L&rsquo;avantage \u00e9tait que les polyph\u00e9nols \u00e9taient extraits, les enzymes d&rsquo;alt\u00e9ration \u00e9taient d\u00e9natur\u00e9es, et les odeurs v\u00e9g\u00e9tales des raisins \u00e9taient \u00e9limin\u00e9es.<\/p>\n\n\n\n<p><strong>Plus r\u00e9cemment, selon les pays, la thermovinification permet d&rsquo;atteindre des objectifs produits pr\u00e9cis (couleur, fruit\u00e9, volume), et de nombreuses versions sont disponibles. .<\/strong> Dans certaines r\u00e9gions viticoles, elle est utilis\u00e9e pour augmenter les pr\u00e9curseurs d&rsquo;ar\u00f4mes dans les vins blancs.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:1%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\"><strong>Quelles techniques de vinification existent ?<\/strong><\/h2>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Il existe plusieurs techniques de thermovinification :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Thermovinification<\/strong><\/li>\n\n\n\n<li><strong>Mac\u00e9ration \u00e0 chaud suivie d&rsquo;un pressurage direct<\/strong><\/li>\n\n\n\n<li><strong>Mac\u00e9ration pr\u00e9-fermentaire \u00e0 chaud<\/strong> avec fermentation\/mac\u00e9ration<\/li>\n\n\n\n<li><strong>Flash-d\u00e9tente<\/strong> avec ou sans mac\u00e9ration ult\u00e9rieure.<\/li>\n<\/ul>\n\n\n\n<p>Les vins issus de ces techniques permettent d&rsquo;obtenir une diversit\u00e9 en termes d&rsquo;ar\u00f4mes, de couleur et de structure, tout en am\u00e9liorant l&rsquo;\u00e9tat sanitaire des mo\u00fbts.<\/p>\n<\/div>\n<\/div>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\"><strong>Pourquoi la clarification est-elle importante et comment faire au mieux ?<\/strong><\/h2>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background-color:#f7f7f7\">\n<p><strong>Les traitements thermiques<\/strong> produisent des jus chauds avec une teneur \u00e9lev\u00e9e en solides et une turbidit\u00e9 d&rsquo;environ 3 000 NTU.<\/p>\n\n\n\n<p><strong>Le chauffage des raisins entra\u00eene une forte solubilisation des polysaccharides pectiques.<\/strong> Avant la fermentation alcoolique, les mo\u00fbts doivent \u00eatre clarifi\u00e9s \u00e0 chaud ou ti\u00e8des afin d\u2019obtenir une viscosit\u00e9 plus faible. <br\/>Cette solubilisation importante est aggrav\u00e9e par l\u2019inactivation des pectinases endog\u00e8nes du raisin provoqu\u00e9e par le chauffage. <strong>L&rsquo;utilisation d&rsquo;enzymes pectolytiques devient ainsi essentielle, d&rsquo;autant plus que la thermovinification est un processus continu avec des contraintes de temps.<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p style=\"font-size:20px\">Les techniques incluent l&rsquo;utilisation d&rsquo;enzymes pectolytiques et de syst\u00e8mes de clarification comme la flottation, la filtration sous vide ou la centrifugation.<\/p>\n<\/blockquote>\n\n\n\n<p><strong>La d\u00e9pectinisation du mo\u00fbt est n\u00e9cessaire pour que les op\u00e9rations suivantes :<\/strong>drainage, pressurage, flottation, filtration, se d\u00e9roulent correctement. Gr\u00e2ce \u00e0 une activit\u00e9 enzymatique accrue \u00e0 haute temp\u00e9rature, la d\u00e9pectinisation se produit rapidement. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:1%\"><\/div>\n\n\n\n<div class=\"wp-block-column has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background-color:#f7f7f7\">\n<p><strong>Rapidase<sup>\u00ae<\/sup> Thermoflash<\/strong>, une pectinase liquide thermor\u00e9sistante, est active en pr\u00e9sence de polyph\u00e9nols \u00e0 haute temp\u00e9rature et constitue une option efficace lorsqu&rsquo;elle est introduite au d\u00e9but de la mac\u00e9ration. <\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-text-color has-background wp-element-button\" href=\"https:\/\/dev.oenobrands.com\/product\/enzyme\/rapidase\/thermoflash\/\" style=\"background-color:#a51890\" target=\"_blank\" rel=\"noreferrer noopener\">Rapidase Thermoflash<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Avec une plage d&rsquo;activit\u00e9 optimale comprise entre 55 \u00b0C et 70 \u00b0C, <strong>Rapidase Thermoflash peut \u00eatre ajout\u00e9 aux raisins avant le chauffage ou au mo\u00fbt juste apr\u00e8s<\/strong>, selon la temp\u00e9rature atteinte pendant le processus thermique. L&rsquo;utilisation de<strong> Rapidase Thermoflash permet une d\u00e9pectinisation rapide et fiable des mo\u00fbts trait\u00e9s thermiquement,<\/strong> ce qui garantit l&rsquo;efficacit\u00e9 des \u00e9tapes suivantes, telles que l&rsquo;\u00e9gouttage, le pressurage et la clarification, quelle que soit la technique utilis\u00e9e (d\u00e9cantation, flottation, filtration, centrifugation, etc.). <\/p>\n\n\n<div class=\"wp-block-image zoooom\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"691\" height=\"573\" src=\"https:\/\/dev.oenobrands.com\/wp-content\/uploads\/2023\/02\/Solution_prefermentation-steps_heat-threatment.png\" alt=\"Comparaison des enzymes pour la d&#xE9;pectinisation du jus apr&#xE8;s thermovinification\" class=\"wp-image-1595\" srcset=\"https:\/\/dev.oenobrands.com\/wp-content\/uploads\/2023\/02\/Solution_prefermentation-steps_heat-threatment.png 691w, https:\/\/dev.oenobrands.com\/wp-content\/uploads\/2023\/02\/Solution_prefermentation-steps_heat-threatment-300x249.png 300w\" sizes=\"auto, (max-width: 691px) 100vw, 691px\" \/><figcaption class=\"wp-element-caption\">R\u00e9sultats d\u2019un test de pectine sur des raisins Grenache en Languedoc, France<em>.<\/em> <\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:30%\">\n<h1 class=\"wp-block-heading has-text-color\" style=\"color:#545859\">D\u00e9couvrez la gamme RAPIDASE<\/h1>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-fdcfc74e wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/dev.oenobrands.com\/product\/enzyme\/rapidase\/\" style=\"background-color:#545859\" target=\"_blank\" rel=\"noreferrer noopener\">RAPIDASE<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:10%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/dev.oenobrands.com\/wp-content\/uploads\/2023\/05\/OENOBRANDS-Rapidase-bandeau.png\" alt=\"OENOBRANDS-Rapidase-bandeau\" class=\"wp-image-4529\"\/><\/figure>\n<\/div><\/div>\n<\/div>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<hr class=\"wp-block-separator has-text-color has-alpha-channel-opacity has-background\" style=\"background-color:#8a918e;color:#8a918e\"\/>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\"><strong>Et vous, qu&rsquo;en pensez-vous ?<\/strong><\/h2>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>Avec une \u00e9quipe hautement qualifi\u00e9e d&rsquo;experts dans de nombreux domaines, Oenobrands s&rsquo;efforce d\u2019offrir aux vinificateurs des solutions nouvelles et scientifiquement solides, tout en mettant en avant les synergies positives entre ses produits.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group wp-container-content-9cfa9a5a is-content-justification-left\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-8c890d92 wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-left\" style=\"font-size:0.9rem;font-style:normal;font-weight:600;letter-spacing:1px;text-transform:uppercase\">Trouvez votre solution ou produit<\/p>\n\n\n<form role=\"search\" method=\"get\" action=\"https:\/\/dev.oenobrands.com\/fr\/\" class=\"wp-block-search__button-outside wp-block-search__icon-button wp-block-search\"    ><label class=\"wp-block-search__label screen-reader-text\" for=\"wp-block-search__input-1\" >Recherche<\/label><div class=\"wp-block-search__inside-wrapper\"  style=\"width: 100%\"><input class=\"wp-block-search__input\" id=\"wp-block-search__input-1\" placeholder=\"\" value=\"\" type=\"search\" name=\"s\" required  style=\"border-width: 1px\"\/><button aria-label=\"Recherche\" class=\"wp-block-search__button has-icon wp-element-button\" type=\"submit\"  style=\"border-width: 1px\"><svg class=\"search-icon\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\">\n\t\t\t\t\t<path d=\"M13 5c-3.3 0-6 2.7-6 6 0 1.4.5 2.7 1.3 3.7l-3.8 3.8 1.1 1.1 3.8-3.8c1 .8 2.3 1.3 3.7 1.3 3.3 0 6-2.7 6-6S16.3 5 13 5zm0 10.5c-2.5 0-4.5-2-4.5-4.5s2-4.5 4.5-4.5 4.5 2 4.5 4.5-2 4.5-4.5 4.5z\"><\/path>\n\t\t\t\t<\/svg><\/button><\/div><\/form><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:3px\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center\">Parlez-nous de vos difficult\u00e9s, et nous vous r\u00e9pondrons.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/dev.oenobrands.com\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\">contactez-nous<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Qu&rsquo;est-ce qu&rsquo;un traitement thermique des raisins ? L&rsquo;objectif initial de la thermovinification \u00e9tait de traiter rapidement de grandes quantit\u00e9s en chauffant les raisins, puis en r\u00e9alisant une vinification en phase liquide. L&rsquo;avantage \u00e9tait que les polyph\u00e9nols \u00e9taient extraits, les enzymes d&rsquo;alt\u00e9ration \u00e9taient d\u00e9natur\u00e9es, et les odeurs v\u00e9g\u00e9tales des raisins \u00e9taient \u00e9limin\u00e9es. Plus r\u00e9cemment, selon les [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":13940,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"0","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_analysis_target_kw":"","footnotes":""},"class_list":["post-13943","page","type-page","status-publish"],"acf":[],"_links":{"self":[{"href":"https:\/\/dev.oenobrands.com\/fr\/wp-json\/wp\/v2\/pages\/13943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dev.oenobrands.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dev.oenobrands.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dev.oenobrands.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/dev.oenobrands.com\/fr\/wp-json\/wp\/v2\/comments?post=13943"}],"version-history":[{"count":0,"href":"https:\/\/dev.oenobrands.com\/fr\/wp-json\/wp\/v2\/pages\/13943\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/dev.oenobrands.com\/fr\/wp-json\/wp\/v2\/pages\/13940"}],"wp:attachment":[{"href":"https:\/\/dev.oenobrands.com\/fr\/wp-json\/wp\/v2\/media?parent=13943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}