{"id":7970,"date":"2017-05-24T13:43:27","date_gmt":"2017-05-24T19:43:27","guid":{"rendered":"https:\/\/askthescientists.com\/?post_type=qa&p=7970\/"},"modified":"2022-07-05T10:24:52","modified_gmt":"2022-07-05T16:24:52","slug":"la-luteine","status":"publish","type":"qa","link":"https:\/\/askthescientists.com\/fr\/qa\/la-luteine\/","title":{"rendered":"La lut\u00e9ine"},"content":{"rendered":"

La lut\u00e9ine\u00a0fait partie d\u2019une classe de compos\u00e9s antioxydants appel\u00e9s carot\u00e9no\u00efdes. C\u2019est en fait le principal carot\u00e9no\u00efde que l\u2019on trouve dans la partie centrale de la r\u00e9tine (macula) chez l\u2019humain. \u00a0Cons\u00e9quemment, on associe la lut\u00e9ine \u00e0 la protection contre la d\u00e9g\u00e9n\u00e9rescence maculaire li\u00e9e \u00e0 l\u2019\u00e2ge, une des causes principales de c\u00e9cit\u00e9 chez les personnes \u00e2g\u00e9es.<\/p>\n

Pour l\u2019heure, on estime que la lut\u00e9ine exerce deux fonctions :<\/p>\n

    \n
  1. un filtre des lumi\u00e8res bleue et ultraviolette \u00e0 forte teneur \u00e9nerg\u00e9tique<\/li>\n
  2. un antioxydant qui neutralise les radicaux libres induits par la lumi\u00e8re et les esp\u00e8ces r\u00e9actives de l\u2019oxyg\u00e8ne<\/li>\n<\/ol>\n

    M\u00eame si le r\u00f4le de la lut\u00e9ine dans la physiologie de l\u2019\u0153il demeure en partie m\u00e9connu, les liens entre lut\u00e9ine et sant\u00e9 oculaire sont si probants que bon nombre d\u2019organisations r\u00e9gionales et nationales de sant\u00e9 aux \u00c9tats-Unis ont recommand\u00e9 un accroissement de l\u2019apport de lut\u00e9ine alimentaire.<\/p>\n

    Il existe de nombreuses sources alimentaires de lut\u00e9ine, mais on la trouve surtout dans les l\u00e9gumes \u00e0 feuilles vert fonc\u00e9 et en moindre quantit\u00e9 dans d\u2019autres fruits et l\u00e9gumes color\u00e9s, dont les suivants : brocoli, poivron orange, ma\u00efs, pois, kaki et tangerine.<\/p>\n

    Malheureusement, la plupart des \u00e9tudes sur l\u2019alimentation indiquent que peu de gens consomment une quantit\u00e9 optimale d\u2019aliments riches en lut\u00e9ine.<\/p>\n","protected":false},"excerpt":{"rendered":"

    La lut\u00e9ine\u00a0fait partie d\u2019une classe de compos\u00e9s antioxydants appel\u00e9s carot\u00e9no\u00efdes. C\u2019est en fait le principal carot\u00e9no\u00efde que l\u2019on trouve dans la partie centrale de la r\u00e9tine (macula) chez l\u2019humain. \u00a0Cons\u00e9quemment, on associe la lut\u00e9ine \u00e0 la protection contre la d\u00e9g\u00e9n\u00e9rescence maculaire li\u00e9e \u00e0 l\u2019\u00e2ge, une des causes principales de c\u00e9cit\u00e9 chez les personnes \u00e2g\u00e9es. Pour […]<\/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":[20781],"class_list":["post-7970","qa","type-qa","status-publish","format-standard","hentry","qa-tag-nutrition-basics"],"acf":[],"yoast_head":"\nLa lut\u00e9ine - 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\/la-luteine\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La lut\u00e9ine - Ask The Scientists\" \/>\n<meta property=\"og:description\" content=\"La lut\u00e9ine\u00a0fait partie d\u2019une classe de compos\u00e9s antioxydants appel\u00e9s carot\u00e9no\u00efdes. C\u2019est en fait le principal carot\u00e9no\u00efde que l\u2019on trouve dans la partie centrale de la r\u00e9tine (macula) chez l\u2019humain. \u00a0Cons\u00e9quemment, on associe la lut\u00e9ine \u00e0 la protection contre la d\u00e9g\u00e9n\u00e9rescence maculaire li\u00e9e \u00e0 l\u2019\u00e2ge, une des causes principales de c\u00e9cit\u00e9 chez les personnes \u00e2g\u00e9es. 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