{"id":49213,"date":"2026-07-07T11:42:00","date_gmt":"2026-07-07T03:42:00","guid":{"rendered":"https:\/\/www.sgnutri.com\/?p=49213"},"modified":"2026-07-08T13:46:03","modified_gmt":"2026-07-08T05:46:03","slug":"comment-fabrique-t-on-ledulcorant-allulose-le-veritable-procede-devoile","status":"publish","type":"post","link":"https:\/\/www.sgnutri.com\/fr\/comment-fabrique-t-on-ledulcorant-allulose-le-veritable-procede-devoile\/","title":{"rendered":"Comment fabrique-t-on l'\u00e9dulcorant \u00e0 base d'allulose ? Le v\u00e9ritable proc\u00e9d\u00e9 d\u00e9voil\u00e9"},"content":{"rendered":"<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:17px;line-height:28px;color:#211c1c;padding:10px 20px;\">\n<div class=\"wp-block-column\">\n<p class=\"wp-block-paragraph\">L'allulose commercialis\u00e9e sur le march\u00e9 est en r\u00e9alit\u00e9 obtenue en extrayant l'amidon de cultures telles que le ma\u00efs ou le manioc, en le transformant en fructose liquide, puis en ajoutant des enzymes biologiques sp\u00e9cifiques (telles que la D-psicose-3-\u00e9pim\u00e9rase) afin de r\u00e9organiser les mol\u00e9cules de fructose au niveau biologique. Afin de v\u00e9hiculer une image de \u201c pure nature \u201d, de nombreuses marques vantent ce substitut de sucre sans calorie en affirmant qu\u2019il \u201c existe naturellement dans les figues et les raisins secs \u201d. Mais en r\u00e9alit\u00e9, ce que vous consommez n\u2019est pas du tout un extrait de fruit, mais bel et bien un produit issu de la biotechnologie. Nous avons retrac\u00e9 la cha\u00eene d\u2019approvisionnement mondiale \u2013 des terres agricoles aux bior\u00e9acteurs commerciaux \u2013 pour d\u00e9voiler la v\u00e9ritable ing\u00e9nierie qui se cache derri\u00e8re cette poudre blanche dans votre placard.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/06\/image-2-1024x577.png\" alt=\"La v\u00e9rit\u00e9 sur l&#039;allulose : entre marketing et fabrication\" class=\"wp-image-49214\" srcset=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/06\/image-2-1024x577.png 1024w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/06\/image-2-300x169.png 300w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/06\/image-2-768x432.png 768w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/06\/image-2-18x10.png 18w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/06\/image-2.png 1190w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Three_Stages_Of_Biotransformation\"><\/span>Les trois \u00e9tapes de la biotransformation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pour comprendre comment l'allulose est fabriqu\u00e9e, il faut faire abstraction de l'\u00e9tiquette marketing figurant sur le devant de l'emballage et se plonger dans les fondements de la science alimentaire. Les producteurs s'appuient sur un cadre op\u00e9rationnel appel\u00e9 \u201c biotransformation en trois \u00e9tapes \u00bb. Cette m\u00e9thode permet non seulement d'assurer une production \u00e0 grande \u00e9chelle, mais elle ne n\u00e9cessite pas non plus l'utilisation de solvants chimiques \u00e2cres.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Stage_1_extraction_of_raw_materials_and_carbohydrate_liquefaction\"><\/span>\u00c9tape 1 : extraction des mati\u00e8res premi\u00e8res et liqu\u00e9faction des glucides<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Chaque lot d\u2019allulose commercial se pr\u00e9sente initialement sous la forme d\u2019amidon v\u00e9g\u00e9tal non transform\u00e9. Les fabricants ne peuvent pas vraiment extraire ce substitut de sucre \u00e0 partir de fruits, car sa teneur dans les fruits naturels est inf\u00e9rieure \u00e0 0,001 %, ce qui n\u2019est pas viable \u00e9conomiquement. Les ing\u00e9nieurs agroalimentaires se sont donc tourn\u00e9s vers des cultures \u00e0 grande \u00e9chelle, principalement le ma\u00efs jaune aux \u00c9tats-Unis et le manioc (mati\u00e8re premi\u00e8re des boulettes de farine de manioc) en Asie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les ouvriers traitent d'abord les r\u00e9coltes \u00e0 l'aide d'un syst\u00e8me de broyage qui s\u00e9pare l'amidon pur des fibres et des prot\u00e9ines. Ensuite, l'usine proc\u00e8de \u00e0 un processus d'hydrolyse : par chauffage et ajout d'amylase basique, la longue cha\u00eene de glucides complexes est fragment\u00e9e et transform\u00e9e en fructose liquide simple. Ce sirop \u00e0 haute teneur en fructose constitue la mati\u00e8re premi\u00e8re de base au c\u0153ur de toute la cha\u00eene de production.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Corn-Derived_vs_Cassava-Derived_Allulose_Base\"><\/span>Base d'allulose issue du ma\u00efs ou du manioc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Indicateur de comparaison<\/td><td>Allulose de base d\u00e9riv\u00e9e du ma\u00efs<\/td><td>Allulose de base d\u00e9riv\u00e9e du manioc<\/td><\/tr><tr><td><strong>Risque li\u00e9 aux allerg\u00e8nes<\/strong><\/td><td><strong>Faible \u00e0 mod\u00e9r\u00e9 :<\/strong>&nbsp;Alors que l'allulose pure ne contient pas de prot\u00e9ines, le ma\u00efs est un allerg\u00e8ne ou un agent de sensibilit\u00e9 connu chez certaines personnes. Ne convient pas aux r\u00e9gimes sans c\u00e9r\u00e9ales.<\/td><td><strong>Tr\u00e8s faible (hypoallerg\u00e9nique) :<\/strong>&nbsp;Le manioc est naturellement exempt de c\u00e9r\u00e9ales et de gluten, et convient parfaitement aux r\u00e9gimes adapt\u00e9s aux personnes allergiques, au r\u00e9gime pal\u00e9o et au r\u00e9gime AIP.<\/td><\/tr><tr><td><strong>Statut OGM<\/strong><\/td><td><strong>Risque \u00e9lev\u00e9 li\u00e9 aux OGM :<\/strong>&nbsp;Une grande majorit\u00e9 du ma\u00efs conventionnel est g\u00e9n\u00e9tiquement modifi\u00e9. Une certification stricte \u201c Non-GMO Project Verified \u201d est requise pour garantir l'absence d'OGM.<\/td><td><strong>Naturellement sans OGM :<\/strong>&nbsp;Le manioc n'est g\u00e9n\u00e9ralement pas g\u00e9n\u00e9tiquement modifi\u00e9 dans la cha\u00eene d'approvisionnement commerciale mondiale, ce qui facilite grandement la garantie de son statut \u00ab sans OGM \u00bb.<\/td><\/tr><tr><td><strong>Impact environnemental<\/strong><\/td><td><strong>Empreinte plus importante :<\/strong>&nbsp;La culture du ma\u00efs n\u00e9cessite g\u00e9n\u00e9ralement d'importantes quantit\u00e9s d'eau, d'engrais chimiques et de pesticides, ce qui contribue souvent \u00e0 l'appauvrissement des sols (monoculture).<\/td><td><strong>Encombrement r\u00e9duit :<\/strong>&nbsp;Le manioc est tr\u00e8s r\u00e9sistant \u00e0 la s\u00e9cheresse, pousse tr\u00e8s bien dans des sols marginaux ou pauvres, et n\u00e9cessite beaucoup moins d'engrais et d'eau.<\/td><\/tr><tr><td><strong>Co\u00fbt moyen du march\u00e9<\/strong><\/td><td><strong>Inf\u00e9rieur (\u00e9conomique) :<\/strong>&nbsp;Gr\u00e2ce aux subventions agricoles et \u00e0 une infrastructure mondiale de transformation \u00e0 grande \u00e9chelle, la production d'allulose d\u00e9riv\u00e9 du ma\u00efs est moins co\u00fbteuse.<\/td><td><strong>L\u00e9g\u00e8rement plus \u00e9lev\u00e9 (tarif Premium) :<\/strong>&nbsp;La transformation \u00e0 petite \u00e9chelle et le positionnement de ces produits en tant qu\u2019ingr\u00e9dients \u201c clean label \u201d et \u00ab sans c\u00e9r\u00e9ales \u00bb se traduisent g\u00e9n\u00e9ralement par un prix plus \u00e9lev\u00e9.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Stage_2_Enzymatic_epimerization_core_reaction\"><\/span>\u00c9tape 2 : \u00c9pim\u00e9risation enzymatique (r\u00e9action principale)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L'\u00e9tape la plus \u00e9tonnante de la production d'allulose se d\u00e9roule dans d'immenses fermenteurs en acier inoxydable, au cours d'un processus appel\u00e9 \u201c \u00e9pim\u00e9risation enzymatique \u201d. Du fructose liquide est pomp\u00e9 dans le r\u00e9acteur, qui contient un biocatalyseur hautement sp\u00e9cialis\u00e9 \u2013 g\u00e9n\u00e9ralement de la D-tagatose-3-\u00e9pim\u00e9rase ou de la D-psicose-3-\u00e9pim\u00e9rase.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces enzymes agissent comme une paire de \u201c ciseaux biologiques \u201d microscopiques. Au lieu d\u2019ajouter des produits chimiques de synth\u00e8se au m\u00e9lange, elles \u201c inversent \u201d la structure mol\u00e9culaire pr\u00e9cis\u00e9ment au niveau du troisi\u00e8me atome de carbone du fructose. C\u2019est cette pr\u00e9cision exceptionnelle qui transforme les glucides, initialement extr\u00eamement riches en calories, en D-psicose, que votre organisme ne peut ni absorber ni m\u00e9taboliser. Cette r\u00e9action dure g\u00e9n\u00e9ralement entre 24 et 48 heures, le temps que le plus de fructose possible soit converti.<\/p>\n\n\n\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/662koqcIXSk?si=hWvD0f8R3GI_4zL1&amp;start=75\" title=\"Lecteur vid\u00e9o YouTube\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Stage_3_Chromatographic_separation_and_crystallization\"><\/span>\u00c9tape 3 : S\u00e9paration chromatographique et cristallisation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le processus de s\u00e9paration d\u00e9termine directement la s\u00e9curit\u00e9 et la fiabilit\u00e9 nutritionnelle du produit final. Vous savez, il est impossible de transformer 100% de fructose par r\u00e9action enzymatique. Le taux de conversion habituel est d'environ 25% pour 30%, le reste \u00e9tant du fructose inchang\u00e9. Pour extraire le produit pur, les ing\u00e9nieurs injectent ce sirop m\u00e9lang\u00e9 dans une immense colonne \u00e0 lit mobile simul\u00e9 (SMB).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces colonnes de s\u00e9paration remplies de r\u00e9sine \u201c interceptent \u201d les mol\u00e9cules d\u2019allulose tout en laissant s\u2019\u00e9couler le fructose non converti. Une fois l'allulose liquide de haute puret\u00e9 s\u00e9par\u00e9, il est ensuite achemin\u00e9 vers une chambre \u00e0 vide o\u00f9 il est \u00e9vapor\u00e9 afin d'\u00e9liminer l'exc\u00e8s d'eau. \u00c0 mesure que le liquide se refroidit rapidement, le sirop se cristallise et se transforme en sachets de sucre en poudre blanc granuleux que vous achetez.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Purity_Trap_How_Does_Allulose_Guarantee_Ketogenic_Friendliness\"><\/span>Le pi\u00e8ge de la puret\u00e9 : en quoi l'allulose garantit-il la compatibilit\u00e9 avec le r\u00e9gime c\u00e9tog\u00e8ne ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le niveau de pr\u00e9cision du processus de purification d\u00e9termine directement si ce substitut de sucre va faire grimper votre glyc\u00e9mie. Certaines usines de fabrication bas de gamme, afin de r\u00e9duire leurs co\u00fbts, b\u00e2clent l\u2019\u00e9tape de s\u00e9paration chromatographique. Nous avons test\u00e9 plusieurs \u00e9chantillons disponibles dans le commerce et avons constat\u00e9 que jusqu\u2019\u00e0 4% de fructose subsistaient dans la poudre d\u2019allulose dite \u201c pure \u201d de marques bon march\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les personnes qui suivent strictement le r\u00e9gime c\u00e9tog\u00e8ne subiront des fluctuations inattendues de leur glyc\u00e9mie si elles consomment ce produit de qualit\u00e9 inf\u00e9rieure. Afin de r\u00e9soudre ce probl\u00e8me, les fabricants haut de gamme ont recours, \u00e0 tout prix, \u00e0 une technologie de filtration multiple pour porter la puret\u00e9 \u00e0 99,8 %. C'est pourquoi, en tant que consommateur, vous devez demander \u00e0 la marque un certificat d'analyse (COA) afin de vous assurer que la teneur en r\u00e9sidus de fructose du produit final est \u00e0 un niveau ind\u00e9tectable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Production_Iteration_Farewell_To_Genetically_Modified_Corn\"><\/span>It\u00e9ration de production : Adieu au ma\u00efs g\u00e9n\u00e9tiquement modifi\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 l'heure actuelle, le mod\u00e8le de production de l'allulose fait l'objet d'une r\u00e9organisation en mati\u00e8re d'approvisionnement en mati\u00e8res premi\u00e8res. Depuis de nombreuses ann\u00e9es, la pratique courante dans le secteur consistait \u00e0 utiliser du ma\u00efs g\u00e9n\u00e9tiquement modifi\u00e9 (OGM) provenant du Midwest pour produire du fructose de base. Mais alors que les consommateurs r\u00e9clament de plus en plus des \u201c \u00e9tiquettes propres \u201d, l'industrie est contrainte de se transformer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aujourd\u2019hui, les usines de production les plus modernes utilisent de l\u2019amidon de tapioca sans OGM provenant d\u2019Asie du Sud-Est. De plus, les principaux fournisseurs mettent en \u0153uvre la technologie de \u201c biocatalyse sans cellules \u201d. Cette technique permet d\u2019isoler compl\u00e8tement l\u2019enzyme de la bact\u00e9rie h\u00f4te avant de l\u2019introduire dans le fructose. Cela \u00e9limine non seulement le risque de pr\u00e9sence de micro-organismes bact\u00e9riens r\u00e9siduels dans le produit final, mais garantit \u00e9galement une puret\u00e9 et une stabilit\u00e9 optimales de ce substitut de sucre.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQ\"><\/span>Foire aux questions (FAQ)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q1_Is_allulose_made_with_chemical_solvents\"><\/span>Q1 : L'allulose est-il fabriqu\u00e9 \u00e0 l'aide de solvants chimiques ?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Absolument pas. Le psicose commercialis\u00e9 sur le march\u00e9 est totalement exempt de solvants chimiques lors de l'\u00e9tape principale de transformation. Sa transformation repose exclusivement sur l'action d'enzymes biologiques sur le fructose liquide. Lors des \u00e9tapes d'extraction et de cristallisation, le seul solvant utilis\u00e9 est l'eau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q2_How_can_it_be_both_sugar_and_no_calories\"><\/span>Q2 : Comment peut-il s'agir \u00e0 la fois de sucre et d'un produit sans calories ?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le processus de fabrication modifie l'orientation mol\u00e9culaire des glucides. Cette r\u00e9action enzymatique sp\u00e9cifique cr\u00e9e de nouvelles structures auxquelles les enzymes digestives de l'organisme ne peuvent pas se lier. Apr\u00e8s ingestion, environ 70% d'allulose seront directement \u00e9limin\u00e9s par l'urine ; l'organisme ne peut pas absorber cette \u00e9nergie.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q3_Will_corn_be_used_in_the_production_of_allulose\"><\/span>Q3 : Le ma\u00efs sera-t-il utilis\u00e9 dans la production d'allulose ?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">sera utilis\u00e9. L'allulose traditionnel est fabriqu\u00e9 \u00e0 partir de fructose issu de l'amidon de ma\u00efs. Si vous souffrez d'une allergie grave au ma\u00efs ou si vous souhaitez \u00e9viter \u00e0 tout prix les aliments g\u00e9n\u00e9tiquement modifi\u00e9s, vous devez rechercher, lors de vos achats, des produits portant clairement la mention \u201c issu du manioc (issu du tapioca\/issu du manioc) \u201d.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q4_Do_they_really_use_figs_or_raisins_to_make_allulose\"><\/span>Q4 : Utilise-t-on vraiment des figues ou des raisins secs pour fabriquer l'allulose ?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pas du tout. Extraire de l\u2019allulose directement des figues est une id\u00e9e farfelue sur le plan commercial, car la quantit\u00e9 pr\u00e9sente dans le fruit est infime. Les figues repr\u00e9sent\u00e9es sur l\u2019emballage ne sont qu\u2019un simple gadget marketing, destin\u00e9 uniquement \u00e0 vous faire comprendre que \u201c cette substance existe dans la nature \u00bb.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q5_Are_the_%E2%80%9Cenzymes%E2%80%9D_used_in_the_production_process_safe\"><\/span>Q5 : Les \u201c enzymes \u201d utilis\u00e9es dans le processus de fabrication sont-elles sans danger ?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L'Agence am\u00e9ricaine des produits alimentaires et m\u00e9dicamenteux (FDA) classe certaines enzymes \u00e9pim\u00e9rases utilis\u00e9es dans la production comme GRAS (g\u00e9n\u00e9ralement reconnues comme s\u00fbres). Plus important encore, ces enzymes sont filtr\u00e9es physiquement lors de l'\u00e9tape finale de purification. La poudre cristalline que vous mettez dans votre bouche ne contient aucun r\u00e9sidu biologique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q6_Why_does_allulose_sell_so_much_more_expensive_than_erythritol\"><\/span>Q6 : Pourquoi l'allulose est-elle vendue \u00e0 un prix tellement plus \u00e9lev\u00e9 que l'\u00e9rythritol ?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En effet, l'\u00e9pim\u00e9risation enzymatique et la s\u00e9paration chromatographique complexe n\u00e9cessitent non seulement des bior\u00e9acteurs professionnels extr\u00eamement co\u00fbteux, mais pr\u00e9sentent \u00e9galement des taux d'extraction tr\u00e8s faibles. 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