{"id":55351,"date":"2019-01-14T08:46:10","date_gmt":"2019-01-14T08:46:10","guid":{"rendered":"https:\/\/www.humanitas.net\/?post_type=wiki&p=55351"},"modified":"2019-01-14T08:46:10","modified_gmt":"2019-01-14T08:46:10","slug":"vitamine-b9-acide-folique","status":"publish","type":"wiki","link":"https:\/\/www.humanitas.net\/fr\/wiki\/vitamine\/vitamine-b9-acide-folique\/","title":{"rendered":"Vitamine B9 (acide folique)"},"content":{"rendered":"

Qu’est-ce que la vitamine B9 (acide folique) ?<\/h2>\n

La vitamine B9 ou acide folique appartient au groupe des vitamines hydrosolubles, qui ne sont pas stock\u00e9es dans l’organisme et doivent \u00eatre prises r\u00e9guli\u00e8rement par le biais des aliments ou de compl\u00e9ments. Elle est sensible aux temp\u00e9ratures \u00e9lev\u00e9es et a tendance \u00e0 se disperser au contact de l’eau.<\/p>\n

 <\/p>\n

Quel est le r\u00f4le de la vitamine B9 (acide folique) ?<\/h2>\n

La vitamine B9, ou acide folique, est essentielle pour les femmes enceintes, car elle prot\u00e8ge et favorise le d\u00e9veloppement de l’embryon.<\/p>\n

La vitamine B9 est \u00e9galement importante pour la synth\u00e8se des prot\u00e9ines et de l’ADN ainsi que pour la formation de l’h\u00e9moglobine. Sa pr\u00e9sence dans l’organisme aide \u00e9galement \u00e0 pr\u00e9venir les risques pour la sant\u00e9 de nature cardiovasculaire.<\/p>\n

 <\/p>\n

Quels sont les aliments riches en vitamine B9 (acide folique) ?<\/h2>\n

La vitamine B9, ou acide folique, se trouve surtout dans les aliments comme les l\u00e9gumes \u00e0 feuilles vertes (laitue, brocoli, \u00e9pinards et asperges), le foie, le lait, certaines c\u00e9r\u00e9ales et certains fruits comme les oranges, le kiwi et le citron.<\/p>\n

 <\/p>\n

Quels sont les besoins quotidiens en vitamine B9 ?<\/h2>\n

Les besoins quotidiens en vitamine B9, ou acide folique, sont d’environ 0,2 mg, mais les femmes enceintes doivent en conserver deux fois plus puisque le f\u0153tus utilise les r\u00e9serves maternelles d’acide folique.<\/p>\n

 <\/p>\n

Carence en vitamine B9<\/h2>\n

Le manque de vitamine B9, ou d’acide folique d\u00e9riv\u00e9 de l’abus d’alcool ou de certaines maladies comme le diab\u00e8te sucr\u00e9 insulinod\u00e9pendant et la maladie c\u0153liaque peut entra\u00eener une diminution de la production de globules rouges, entra\u00eenant une an\u00e9mie.<\/p>\n

Chez les femmes enceintes, le manque de vitamine B9 ou d’acide folique peut avoir des effets n\u00e9gatifs sur le bon d\u00e9veloppement du syst\u00e8me nerveux du f\u0153tus. Dans certains cas, une carence \u00e9lev\u00e9e en acide folique peut causer une naissance pr\u00e9matur\u00e9e avec spina bifida.<\/p>\n

 <\/p>\n

Apport excessif en vitamine B9<\/h2>\n

Il est difficile de rencontrer des probl\u00e8mes de sant\u00e9 li\u00e9s \u00e0 un apport excessif en vitamine B9, car toute dose d\u00e9passant la limite corporelle peut \u00eatre repouss\u00e9e par la miction. Certains cas de surdosage peuvent cependant provoquer des sympt\u00f4mes tels que tremblements, nervosit\u00e9, manque de motivation, r\u00e9actions allergiques et rythme cardiaque rapide.<\/p>\n

Des doses tr\u00e8s \u00e9lev\u00e9es d’acide folique dans le sang peuvent causer des probl\u00e8mes r\u00e9naux, mais c’est une possibilit\u00e9 lointaine.<\/p>\n","protected":false},"author":11,"featured_media":0,"template":"","wiki-categories":[2225],"wiki-types":[],"yoast_head":"\nVitamine B9 (acide folique) - Humanitas.net<\/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:\/\/www.humanitas.net\/fr\/wiki\/vitamine\/vitamine-b9-acide-folique\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vitamine B9 (acide folique) - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Qu’est-ce que la vitamine B9 (acide folique) ? 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