{"id":2909,"date":"2016-08-25T12:00:41","date_gmt":"2016-08-25T12:00:41","guid":{"rendered":"https:\/\/askthescientists.com\/fr\/?post_type=qa&#038;p=2909"},"modified":"2022-07-05T10:39:36","modified_gmt":"2022-07-05T16:39:36","slug":"quest-ce-que-lacetate-de-retinyle","status":"publish","type":"qa","link":"https:\/\/askthescientists.com\/fr\/qa\/quest-ce-que-lacetate-de-retinyle\/","title":{"rendered":"Qu\u2019est-ce que l\u2019ac\u00e9tate de r\u00e9tinyle?"},"content":{"rendered":"<p>L\u2019ac\u00e9tate de r\u00e9tinyle est une forme d\u2019ester du r\u00e9tinol, une source pr\u00e9form\u00e9e de vitamine A.<\/p>\n<p>Le r\u00e9tinol (vitamine A) est un nutriment essential associ\u00e9 \u00e0 trois fonctions importante, dont la mieux d\u00e9finie implique la vision humaine. Le r\u00e9tinol est un constituant fonctionnel de la rhodopsine, une prot\u00e9ine se trouvant dans la r\u00e9tine qui absorbe la lumi\u00e8re et d\u00e9clenche une s\u00e9rie de r\u00e9actions biochimiques qui finit par provoquer un influx nerveux, qui m\u00e8ne \u00e0 la vue.<\/p>\n<p>Deuxi\u00e8mement, la vitamine A participe \u00e0 l\u2019activation de l\u2019expression g\u00e9nique et au contr\u00f4le de la diff\u00e9rentiation cellulaire. C\u2019est par cette fonction que la vitamine A joue un r\u00f4le dans la fonction immunitaire, le go\u00fbt, l\u2019ou\u00efe, l\u2019app\u00e9tit, le renouvellement cutan\u00e9, le d\u00e9veloppement osseux et la croissance.<\/p>\n<p>La vitamine A joue son troisi\u00e8me r\u00f4le dans le contr\u00f4le du d\u00e9veloppement embryonnaire. On pense que l\u2019acide r\u00e9tino\u00efque module l\u2019expression de certains g\u00e8nes contr\u00f4lant la structure du d\u00e9veloppement s\u00e9quentiel de certains tissus et organes du corps.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019ac\u00e9tate de r\u00e9tinyle est une forme d\u2019ester du r\u00e9tinol, une source pr\u00e9form\u00e9e de vitamine A. Le r\u00e9tinol (vitamine A) est un nutriment essential associ\u00e9 \u00e0 trois fonctions importante, dont la mieux d\u00e9finie implique la vision humaine. Le r\u00e9tinol est un constituant fonctionnel de la rhodopsine, une prot\u00e9ine se trouvant dans la r\u00e9tine qui absorbe la [&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":[20782,20778],"class_list":["post-2909","qa","type-qa","status-publish","format-standard","hentry","qa-tag-essential-nutrients","qa-tag-vitamins-and-supplements"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Qu\u2019est-ce que 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\/quest-ce-que-lacetate-de-retinyle\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu\u2019est-ce que l\u2019ac\u00e9tate de r\u00e9tinyle? - Ask The Scientists\" \/>\n<meta property=\"og:description\" content=\"L\u2019ac\u00e9tate de r\u00e9tinyle est une forme d\u2019ester du r\u00e9tinol, une source pr\u00e9form\u00e9e de vitamine A. 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