{"id":9629,"date":"2024-06-20T11:50:34","date_gmt":"2024-06-20T03:50:34","guid":{"rendered":"https:\/\/theo.niranbio.com\/dioxyde-de-titane-de-qualite-alimentaire\/"},"modified":"2024-08-19T13:43:39","modified_gmt":"2024-08-19T05:43:39","slug":"dioxyde-de-titane-de-qualite-alimentaire","status":"publish","type":"product","link":"https:\/\/theo.niranbio.com\/fr\/dioxyde-de-titane-de-qualite-alimentaire.html","title":{"rendered":"Dioxyde de titane de qualit\u00e9 alimentaire"},"content":{"rendered":"

<\/span>Qu’est-ce que le dioxyde de titane de qualit\u00e9 alimentaire ?<\/span><\/h2>\n

Le dioxyde de titane de qualit\u00e9 alimentaire est une poudre blanche largement utilis\u00e9e dans les aliments, les cosm\u00e9tiques et les m\u00e9dicaments comme colorant et agent blanchissant. Il a un excellent pouvoir couvrant et une excellente stabilit\u00e9 chimique, peut fournir un blanc \u00e9clatant et am\u00e9liorer la luminosit\u00e9 d’autres couleurs. Le dioxyde de titane est couramment utilis\u00e9 dans les aliments dans les bonbons, les produits laitiers et les produits de boulangerie pour aider \u00e0 am\u00e9liorer l’apparence.<\/p>\n

Il est consid\u00e9r\u00e9 comme s\u00fbr et inoffensif pour le corps humain dans la plage d’utilisation prescrite. La m\u00e9thode de l’acide sulfurique et la m\u00e9thode de la chloration sont les deux principales techniques utilis\u00e9es pour pr\u00e9parer le dioxyde de titane de qualit\u00e9 alimentaire. La m\u00e9thode de l’acide sulfurique g\u00e9n\u00e8re du sulfate de titane en r\u00e9agissant avec l’acide sulfurique, puis le convertit en dioxyde de titane. Le processus est mature mais la consommation d’\u00e9nergie est \u00e9lev\u00e9e. La m\u00e9thode de la chloration g\u00e9n\u00e8re du chlorure de titane par r\u00e9action de chloration, puis le convertit en dioxyde de titane. Cette m\u00e9thode permet une puret\u00e9 du produit et une efficacit\u00e9 de production plus \u00e9lev\u00e9es, et le traitement des sous-produits est relativement simple.<\/p>\n

En Chine, la m\u00e9thode de chloration est devenue le proc\u00e9d\u00e9 de pr\u00e9paration le plus r\u00e9pandu. Comme elle permet de produire du dioxyde de titane de haute qualit\u00e9 et qu’elle est relativement \u00e9conome en \u00e9nergie et respectueuse de l’environnement, de nombreuses grandes entreprises de production utilisent cette m\u00e9thode pour r\u00e9pondre \u00e0 la demande du march\u00e9.<\/p>\n

<\/span>Dosage recommand\u00e9 :<\/span><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Nom de l’aliment<\/td>\nUtilisation maximale (g\/kg)<\/td>\n<\/tr>\n
Boissons \u00e0 base de jus de fruits<\/td>\n0,05 – 0,2 g\/kg<\/td>\n<\/tr>\n
Produits laitiers<\/td>\n0,1 – 0,3 g\/kg<\/td>\n<\/tr>\n
Bonbons<\/td>\n0,2 – 0,5 g\/kg<\/td>\n<\/tr>\n
Chocolat<\/td>\n0,1 – 0,3 g\/kg<\/td>\n<\/tr>\n
Assaisonnements<\/td>\n0,1 – 0,3 g\/kg<\/td>\n<\/tr>\n
Sauces<\/td>\n0,1 – 0,5 g\/kg<\/td>\n<\/tr>\n
Pain<\/td>\n0,1 – 0,2 g\/kg<\/td>\n<\/tr>\n
Biscuits<\/td>\n0,1 – 0,3 g\/kg<\/td>\n<\/tr>\n
Cr\u00e8me<\/td>\n0,1 – 0,3 g\/kg<\/td>\n<\/tr>\n
Sauce soja<\/td>\n0,2 – 0,5 g\/kg<\/td>\n<\/tr>\n
\u00c9pices<\/td>\n0,1 – 0,2 g\/kg<\/td>\n<\/tr>\n
Fromage<\/td>\n0,1 – 0,2 g\/kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/span>Le dioxyde de titane de qualit\u00e9 alimentaire a une large gamme d’utilisations<\/span><\/h2>\n
    \n
  1. Coloration : Le dioxyde de titane est un pigment blanc qui peut efficacement donner une couleur blanche pure aux aliments. Il est souvent utilis\u00e9 pour colorer des aliments tels que des bonbons, des g\u00e2teaux et des produits laitiers afin de rendre leurs couleurs plus vives et plus uniformes.<\/li>\n
  2. \u00c9claircissement et masquage : Le dioxyde de titane a un pouvoir masquant \u00e9lev\u00e9 et peut masquer les irr\u00e9gularit\u00e9s ou les parties disgracieuses d’autres couleurs dans les aliments, ce qui rend les aliments plus uniformes et plus attrayants.<\/li>\n
  3. Am\u00e9lioration de la texture : Dans certains aliments, le dioxyde de titane peut am\u00e9liorer la texture des aliments et les rendre plus lisses. Par exemple, le dioxyde de titane peut \u00eatre utilis\u00e9 dans certains produits laitiers ou dans le gla\u00e7age pour obtenir cet effet.<\/li>\n
  4. Pr\u00e9vention de la d\u00e9coloration : le dioxyde de titane peut bloquer efficacement la lumi\u00e8re et l’oxydation, r\u00e9duisant ainsi le risque de d\u00e9coloration ou de d\u00e9coloration des aliments pendant le stockage.<\/li>\n<\/ol>\n

    <\/span>Question pos\u00e9e par l’utilisateur :<\/span><\/h2>\n

    Question : Pourquoi existe-t-il des alternatives au dioxyde de titane de qualit\u00e9 alimentaire ?<\/p>\n

    R\u00e9ponse : Le dioxyde de titane de qualit\u00e9 alimentaire est largement utilis\u00e9 dans les aliments en raison de sa coloration et de son pouvoir masquant sup\u00e9rieurs, mais en raison de probl\u00e8mes de sant\u00e9 et d’environnement, de nombreux fabricants recherchent des alternatives naturelles ou plus saines. Les colorants naturels \u00e0 base de plantes tels que la poudre de carot\u00e8ne blanche et la poudre de citrouille blanche offrent des options blanches naturelles, tandis que les pigments min\u00e9raux naturels tels que le talc et le sulfate de baryum peuvent \u00e9galement \u00eatre utilis\u00e9s comme alternatives, mais leur utilisation doit \u00eatre conforme aux normes de s\u00e9curit\u00e9 alimentaire.<\/p>\n

    De plus, les \u00e9mulsifiants tels que la g\u00e9latine et l’amidon modifi\u00e9 peuvent \u00e9galement fournir un certain effet blanc et am\u00e9liorer la texture des aliments. La s\u00e9curit\u00e9, l’abordabilit\u00e9 et l’effet sur la qualit\u00e9 alimentaire des substituts doivent tous \u00eatre pris en compte.<\/p>\n","protected":false},"excerpt":{"rendered":"

      \n
    • CAS: 13463-67-7<\/li>\n
    • Formule chimique: TiO\u2082<\/li>\n
    • Certifications : KOSHER, ISO, HALAL, FSSC 22000, BRC, etc.<\/li>\n
    • Quantit\u00e9 minimum de commande : 1000 kg<\/li>\n
    • Dur\u00e9e de conservation : 2 ans<\/li>\n<\/ul>\n","protected":false},"featured_media":9630,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","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":"","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-4)","background-image":"","background-repeat":"repeat","background-position":"center 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