{"id":2904,"date":"2016-08-25T12:00:16","date_gmt":"2016-08-25T12:00:16","guid":{"rendered":"https:\/\/askthescientists.com\/fr\/?post_type=qa&#038;p=2904"},"modified":"2019-12-19T11:49:49","modified_gmt":"2019-12-19T18:49:49","slug":"pourquoi-les-cellsentials-contiennent-ils-de-lacetate-de-retinyle","status":"publish","type":"qa","link":"https:\/\/askthescientists.com\/fr\/qa\/pourquoi-les-cellsentials-contiennent-ils-de-lacetate-de-retinyle\/","title":{"rendered":"Pourquoi les CellSentials contiennent-ils de l\u2019ac\u00e9tate de r\u00e9tinyle?"},"content":{"rendered":"<p>La vitamine A a des actions essentielles dans des aspects de la sant\u00e9 qui comprennent la vision, la diff\u00e9rentiation cellulaire, le d\u00e9veloppement des organes pendant la croissance de l\u2019embryon et du f\u00e9tus, et la fonction et structure des membranes. Plusieurs autres processus physiologiques complexes, y compris les fonctions de croissance, de reproduction et du syst\u00e8me immunitaire, d\u00e9pendent \u00e9galement de la vitamine A.<\/p>\n<p>Des \u00e9tudes r\u00e9centes montrent que certains individus ont une capacit\u00e9 limit\u00e9e de conversion du b\u00e9ta-carot\u00e8ne en vitamine A. Le surpoids r\u00e9duit l\u2019efficacit\u00e9 de cette conversion, et il existe des polymorphismes g\u00e9n\u00e9tiques qui font d\u00e9cro\u00eetre la capacit\u00e9 de conversion du b\u00e9ta-carot\u00e8ne en vitamine A. Les individus peuvent avoir des capacit\u00e9s diff\u00e9rentes de conversion des carot\u00e9no\u00efdes de provitamine A en vitamine A. Ces diff\u00e9rences dans l\u2019efficacit\u00e9 de la conversion peuvent \u00eatre caus\u00e9es par la variabilit\u00e9 g\u00e9n\u00e9tique du m\u00e9tabolisme du b\u00e9ta-carot\u00e8ne chez les sujets humains. Ainsi, il est possible que les carot\u00e9no\u00efdes de provitamine A ne constituent pas une bonne source de vitamine A pour les sujets au ph\u00e9notype de mauvais convertisseur.<\/p>\n<p>Les CellSentials d\u2019USANA utilisent un m\u00e9lange de b\u00e9ta-carot\u00e8ne, d\u2019ac\u00e9tate de r\u00e9tinyle et de carot\u00e9no\u00efdes mixtes pour fournir une activit\u00e9 de vitamine A. La dose quotidienne totale r\u00e9sulte en 8600 UI provenant de b\u00e9ta-carot\u00e8ne, 3000 UI provenant d\u2019ac\u00e9tate de r\u00e9tinyle et 400 UI provenant de carot\u00e9no\u00efdes mixtes. Cette combinaison de diverses sources de vitamine A permet donc de mieux garantir que les CellSentials fournissent une dose avanc\u00e9e de vitamine A pour tous, quelles que soient les diff\u00e9rences g\u00e9n\u00e9tiques.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La vitamine A a des actions essentielles dans des aspects de la sant\u00e9 qui comprennent la vision, la diff\u00e9rentiation cellulaire, le d\u00e9veloppement des organes pendant la croissance de l\u2019embryon et du f\u00e9tus, et la fonction et structure des membranes. Plusieurs autres processus physiologiques complexes, y compris les fonctions de croissance, de reproduction et du syst\u00e8me [&hellip;]<\/p>\n","protected":false},"author":10897,"featured_media":0,"menu_order":0,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"qa-category":[],"qa-tag":[],"class_list":["post-2904","qa","type-qa","status-publish","format-standard","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pourquoi les CellSentials contiennent-ils de l\u2019ac\u00e9tate de r\u00e9tinyle? - Ask The Scientists<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/askthescientists.com\/fr\/qa\/pourquoi-les-cellsentials-contiennent-ils-de-lacetate-de-retinyle\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pourquoi les CellSentials contiennent-ils de l\u2019ac\u00e9tate de r\u00e9tinyle? - Ask The Scientists\" \/>\n<meta property=\"og:description\" content=\"La vitamine A a des actions essentielles dans des aspects de la sant\u00e9 qui comprennent la vision, la diff\u00e9rentiation cellulaire, le d\u00e9veloppement des organes pendant la croissance de l\u2019embryon et du f\u00e9tus, et la fonction et structure des membranes. 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