{"id":4221,"date":"2021-03-17T04:03:05","date_gmt":"2021-03-17T03:03:05","guid":{"rendered":"https:\/\/www.ingetecsa.com\/special-applications\/dextrin\/"},"modified":"2025-12-30T04:55:38","modified_gmt":"2025-12-30T03:55:38","slug":"dextrin","status":"publish","type":"cpt_applications","link":"https:\/\/www.ingetecsa.com\/fr\/special-applications\/dextrin\/","title":{"rendered":"Dextrine"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">La dextrinisation de l\u2019amidon est un proc\u00e9d\u00e9 thermique et\/ou chimique permettant de transformer l\u2019amidon en dextrines aux propri\u00e9t\u00e9s fonctionnelles sp\u00e9cifiques. Ingetecsa propose une gamme de r\u00e9acteurs, de d\u00e9shydrateurs, de torr\u00e9facteurs et de refroidisseurs \u00e0 d\u00e9tente permettant de r\u00e9aliser une op\u00e9ration compl\u00e8te de dextrinisation.<\/h2>\n\n\n\n<p>Une dextrine est un <a href=\"https:\/\/en.wikipedia.org\/wiki\/Starch\" target=\"_blank\" rel=\"noreferrer noopener\">amidon<\/a> d\u00e9polym\u00e9ris\u00e9. Lorsqu&rsquo;on fractionne les cha\u00eenes de liaison de l\u2019amidon, ses propri\u00e9t\u00e9s changent. Pour fabriquer de la dextrine, pratiquement n\u2019importe quelle source d&rsquo;amidon convient : ma\u00efs, bl\u00e9, tapioca, pomme de terre, pois, etc. Contrairement \u00e0 l\u2019amidon, les dextrines peuvent \u00eatre blanches, jaunes ou brunes. Toutes sont totalement ou partiellement hydrosolubles. En outre, elles se caract\u00e9risent par une viscosit\u00e9 moindre que l\u2019amidon dont elles sont issues. Elles peuvent subir des modifications par voie chimique, voie thermique ou une combinaison des deux techniques.<\/p>\n\n\n\n<p>Les dextrines sont employ\u00e9es pour un large \u00e9ventail d\u2019usages. L\u2019industrie du papier est incontestablement l\u2019un de leurs principaux utilisateurs pour la fabrication de colles \u00e0 l\u2019eau et d\u2019enduits. L\u2019industrie chimique et min\u00e9ralogique recourt essentiellement aux dextrines jaunes (canari) et brunes. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.ingetecsa.com\/contenido\/subidas\/2021\/03\/dextrins-1024x682.jpg\" alt=\"Different dextrin colours\" class=\"wp-image-3624\" style=\"width:700px;height:457px\" srcset=\"https:\/\/www.ingetecsa.com\/contenido\/subidas\/2021\/03\/dextrins-1024x682.jpg 1024w, https:\/\/www.ingetecsa.com\/contenido\/subidas\/2021\/03\/dextrins-300x200.jpg 300w, https:\/\/www.ingetecsa.com\/contenido\/subidas\/2021\/03\/dextrins-768x512.jpg 768w, https:\/\/www.ingetecsa.com\/contenido\/subidas\/2021\/03\/dextrins-490x327.jpg 490w, https:\/\/www.ingetecsa.com\/contenido\/subidas\/2021\/03\/dextrins-980x653.jpg 980w, https:\/\/www.ingetecsa.com\/contenido\/subidas\/2021\/03\/dextrins.jpg 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>L\u2019industrie alimentaire utilise principalement les dextrines blanches et parfois quelques dextrines jaunes; m\u00eame si les tonnages mis en \u0153uvre sont encore modestes, l\u2019\u00e9ventail applicatif est vaste et ne cesse de s\u2019\u00e9toffer.<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pyrodextrines<\/h3>\n\n\n\n<p>Il existe trois groupes de pyrodextrines : les dextrines blanches, les dextrines jaunes (ou canari) et les British gums.<\/p>\n\n\n\n<p>Les dextrines d\u2019amidon sont produites en chauffant de l\u2019amidon sec. Il est fr\u00e9quent qu\u2019on utilise \u00e9galement l\u2019appellation \u00ab&nbsp;pyrodextrines&nbsp;\u00bb pour les qualifier. La pyroconversion est bas\u00e9e sur le traitement thermique de l\u2019amidon sec, avec ou sans ajout d\u2019acide.<\/p>\n\n\n\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":4223,"menu_order":0,"template":"","meta":{"_acf_changed":true},"class_list":["post-4221","cpt_applications","type-cpt_applications","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dextrinisation et s\u00e9chage de dextrines - Ingetecsa<\/title>\n<meta name=\"description\" content=\"Solutions de dextrinisation et de s\u00e9chage de dextrines issues de l\u2019amidon, int\u00e9grant r\u00e9acteurs, torr\u00e9facteurs et s\u00e9choirs pour une qualit\u00e9 ma\u00eetris\u00e9e.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ingetecsa.com\/fr\/special-applications\/dextrin\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dextrinisation et s\u00e9chage de dextrines - 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