{"id":9360,"date":"2024-06-20T09:02:24","date_gmt":"2024-06-20T01:02:24","guid":{"rendered":"https:\/\/theo.niranbio.com\/acide-citrique-anhydre\/"},"modified":"2024-08-19T09:51:34","modified_gmt":"2024-08-19T01:51:34","slug":"acide-citrique-anhydre","status":"publish","type":"product","link":"https:\/\/theo.niranbio.com\/fr\/acide-citrique-anhydre.html","title":{"rendered":"Acide citrique anhydre"},"content":{"rendered":"

<\/span>Qu’est-ce que l’acide citrique anhydre ?<\/span><\/h2>\n

L’acide citrique anhydre est un cristal translucide ou une fine poudre ou cristal blanc, sans odeur \u00e9vidente, au go\u00fbt tr\u00e8s acide et facilement soluble dans l’eau, l’alcool et l’\u00e9ther. Il existe naturellement dans les agrumes tels que les citrons. Lors du stockage, il est n\u00e9cessaire de le prot\u00e9ger de la lumi\u00e8re, de le conserver herm\u00e9tiquement et de le conserver dans un endroit sec et frais. Il est principalement utilis\u00e9 comme additif alimentaire dans l’industrie alimentaire.<\/p>\n

De plus, l’acide citrique anhydre est \u00e9galement utilis\u00e9 dans d’autres industries, telles que l’industrie chimique, l’industrie cosm\u00e9tique, etc. L’acide citrique anhydre est un compos\u00e9 organique naturel extrait de l’\u00e9corce de citron.<\/p>\n

Le processus de production courant est la pr\u00e9paration de la mati\u00e8re premi\u00e8re (\u00e9corce de citron) par extraction par pressage, s\u00e9paration huile-eau, pr\u00e9cipitation par cristallisation, lavage \u00e0 l’eau, s\u00e9chage jusqu’\u00e0 obtention d’acide citrique anhydre, puis emball\u00e9 et stock\u00e9 dans un endroit sec, frais et ventil\u00e9.<\/p>\n

<\/span>Param\u00e8tres associ\u00e9s :<\/span><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Articles<\/td>\nNormes<\/td>\n<\/tr>\n
Essai<\/td>\n99.5-100%-100.5%<\/td>\n<\/tr>\n
Humidit\u00e9<\/td>\n\u22640.5%<\/td>\n<\/tr>\n
Acide oxalique<\/td>\n\u2264100 ppm<\/td>\n<\/tr>\n
Sulfate<\/td>\n\u2264150 ppm<\/td>\n<\/tr>\n
R\u00e9sidus de combustion (cendres sulfat\u00e9es)<\/td>\n\u22640.05%<\/td>\n<\/tr>\n
M\u00e9taux lourds<\/td>\n\u226410 ppm<\/td>\n<\/tr>\n
Mercure<\/td>\n\u22641 ppm<\/td>\n<\/tr>\n
Plomb<\/td>\n\u22640,5 ppm<\/td>\n<\/tr>\n
Arsenic<\/td>\n\u22641 ppm<\/td>\n<\/tr>\n
Aluminium<\/td>\n\u22640,2 ppm<\/td>\n<\/tr>\n
Endotoxines bact\u00e9riennes<\/td>\n\u22640,5 UI\/mg<\/td>\n<\/tr>\n
Trilaurylamine<\/td>\n\u22640,1 ppm<\/td>\n<\/tr>\n
Calcium<\/td>\n\u2264200 ppm<\/td>\n<\/tr>\n
Fer<\/td>\n\u226450 ppm<\/td>\n<\/tr>\n
Chlorure<\/td>\n\u226450 ppm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/span>Dosage recommand\u00e9 :<\/span><\/h2>\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 gazeuses<\/td>\n0,3-0,6 g\/kg<\/td>\n<\/tr>\n
Produits amylac\u00e9s<\/td>\n0,2-0,4 g\/kg<\/td>\n<\/tr>\n
Gel\u00e9e<\/td>\n0,3-0,6 g\/kg<\/td>\n<\/tr>\n
Vinaigrette<\/td>\n0,2-0,5 g\/kg<\/td>\n<\/tr>\n
Cr\u00e8me glac\u00e9e<\/td>\n0,3-0,5 g\/kg<\/td>\n<\/tr>\n
Assaisonnements<\/td>\n0,3-0,6 g\/kg<\/td>\n<\/tr>\n
Jambon<\/td>\n0,2-0,3 g\/kg<\/td>\n<\/tr>\n
Pain<\/td>\n0,2-0,3 g\/kg<\/td>\n<\/tr>\n
Produits grill\u00e9s<\/td>\n0,3-0,5 g\/kg<\/td>\n<\/tr>\n
Aliments surgel\u00e9s<\/td>\n0,2-0,4 g\/kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/span>L’acide citrique anhydre a un large \u00e9ventail d’utilisations<\/span><\/h2>\n

<\/span>1. L’industrie alimentaire :<\/span><\/h3>\n

En tant qu’additif alimentaire, il est utilis\u00e9 comme agent aromatisant et acidulant, notamment dans les boissons, les jus, les aliments en conserve, etc.<\/p>\n

<\/span>2. Industrie pharmaceutique<\/span><\/h3>\n

Il est utilis\u00e9 comme catalyseur ou acidifiant dans les processus pharmaceutiques pour aider \u00e0 ajuster le pH des m\u00e9dicaments.<\/p>\n

<\/span>3. Cosm\u00e9tiques<\/span><\/h3>\n

Il peut \u00eatre utilis\u00e9 comme ingr\u00e9dient pour ajuster la valeur du pH et poss\u00e8de \u00e9galement un effet antioxydant, que l’on retrouve couramment dans les produits de soins de la peau et les cosm\u00e9tiques.<\/p>\n

<\/span>4. Autres applications :<\/span><\/h3>\n

Dans l\u2019industrie, il est utilis\u00e9 comme composant d\u2019agents de nettoyage ou comme \u00e9l\u00e9ment d\u2019agents de traitement de l\u2019eau.<\/p>\n

<\/span>Question pos\u00e9e par l’utilisateur :<\/span><\/h3>\n

Question : Quelle est la diff\u00e9rence entre l’acide malique et l’acide citrique?<\/p>\n

R\u00e9ponse :<\/p>\n

1. Les mati\u00e8res premi\u00e8res sont diff\u00e9rentes. Les mati\u00e8res premi\u00e8res de l’acide malique sont ferment\u00e9es \u00e0 partir de fruits tels que les pommes, tandis que l’acide citrique est fabriqu\u00e9 \u00e0 partir de ma\u00efs ferment\u00e9.<\/p>\n

2. Les composants de la formule chimique sont diff\u00e9rents : acide L-malique, acide DL-malique, acide citrique monohydrat\u00e9 et acide citrique anhydre.<\/p>\n

3. Les effets sont diff\u00e9rents. L’acide malique a de meilleures fonctions telles que la promotion du m\u00e9tabolisme, tandis que l’acide citrique peut favoriser la digestion, embellir la peau, etc.<\/p>\n

4. Le go\u00fbt de l’acidit\u00e9 est diff\u00e9rent. L’acidit\u00e9 de l’acide citrique a pour caract\u00e9ristiques d’atteindre rapidement un point \u00e9lev\u00e9 et de diminuer rapidement, tandis que l’acidit\u00e9 de l’acide malique peut \u00eatre conserv\u00e9e longtemps.<\/p>\n

5. Le go\u00fbt est diff\u00e9rent. L’acide citrique est un acidifiant agr\u00e9able ; l’acide malique est un acidifiant amer. Question : Comment conserver l\u2019acide citrique anhydre ? R\u00e9ponse : Il peut \u00eatre stock\u00e9 dans un environnement ferm\u00e9 et sec. Tenir \u00e0 l’\u00e9cart du feu et des sources de chaleur. L’empilage \u00e0 l’air libre est strictement interdit. Il doit \u00eatre strictement \u00e9tanche \u00e0 l’eau, \u00e0 l’humidit\u00e9 et au soleil. Il peut \u00eatre emball\u00e9 dans un sac tiss\u00e9 doubl\u00e9 d’un sac en plastique ou dans un sac en papier kraft. Il doit \u00eatre scell\u00e9 et stock\u00e9. Il doit \u00eatre prot\u00e9g\u00e9 de la chaleur et de l’humidit\u00e9 pendant le stockage et le transport et doit \u00eatre stock\u00e9 et transport\u00e9 conform\u00e9ment aux r\u00e9glementations chimiques g\u00e9n\u00e9rales.<\/p>\n","protected":false},"excerpt":{"rendered":"

    \n
  • CAS : 77-92-9<\/li>\n
  • Formule chimique: C6<\/sub>H8<\/sub>O7<\/sub><\/li>\n
  • Certifications : KOSHER, ISO, HALAL, FSSC 22000, BRC, etc.<\/li>\n
  • Norme : BP\/USP\/FCC<\/li>\n
  • Quantit\u00e9 minimum de commande : 1000 kg<\/li>\n
  • Dur\u00e9e de conservation : 3 ans<\/li>\n<\/ul>\n","protected":false},"featured_media":9361,"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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