{"id":82321,"date":"2019-01-14T09:01:15","date_gmt":"2019-01-14T09:01:15","guid":{"rendered":"http:\/\/humanitasnet-new.local\/enciclopedia\/vitamine-k-naphtoquinone\/"},"modified":"2019-01-14T09:01:15","modified_gmt":"2019-01-14T09:01:15","slug":"vitamine-k-naphtoquinone","status":"publish","type":"enciclopedia","link":"https:\/\/humanitas-net.humweb.webiz.team\/fr\/wiki\/vitamine-k-naphtoquinone\/","title":{"rendered":"Vitamine K (naphtoquinone)"},"content":{"rendered":"<h2 id=\"quest-ce-que-la-vitamine-k\">Qu&#8217;est-ce que la vitamine K ?<\/h2>\n<p>La vitamine K ou naphtoquinone fait partie des compos\u00e9s liposolubles qui sont stock\u00e9s dans le foie et lib\u00e9r\u00e9s en petites doses si n\u00e9cessaire. Par cons\u00e9quent, il n&#8217;est pas n\u00e9cessaire de les prendre r\u00e9guli\u00e8rement, par exemple dans les aliments.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"quel-est-le-role-de-la-vitamine-k\">Quel est le r\u00f4le de la vitamine K ?<\/h2>\n<p>La vitamine K ou naphthoquinone joue un r\u00f4le fondamental dans le processus de coagulation sanguine et assure la fonctionnalit\u00e9 des prot\u00e9ines qui sont form\u00e9es et maintenues dans les os.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"quels-sont-les-aliments-riches-en-vitamine-k\">Quels sont les aliments riches en vitamine K ?<\/h2>\n<p>La vitamine K ou naphthoquinone est surtout pr\u00e9sente dans les l\u00e9gumes comme les tomates, les \u00e9pinards, le chou fris\u00e9, les feuilles de navet, ainsi que dans le foie. La vitamine K est \u00e9galement produite par l&#8217;intestin.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"quels-sont-les-besoins-quotidiens-en-vitamine-k\">Quels sont les besoins quotidiens en vitamine K ?<\/h2>\n<p>Les besoins quotidiens en vitamine K ou en naphtoquinone sont d&#8217;environ 1 mg par kilogramme de poids corporel, une quantit\u00e9 qui est satisfaisante dans une alimentation normale.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"carence-en-vitamine-k\">Carence en vitamine K<\/h2>\n<p>Comme la vitamine K ou la naphtoquinone joue un r\u00f4le fondamental dans le processus de coagulation sanguine, un manque de vitamine K peut provoquer des saignements incontr\u00f4l\u00e9s. Cette carence est toutefois tr\u00e8s rare et ne peut se manifester que lors d&#8217;un traitement antibiotique prolong\u00e9 ou de la pr\u00e9vention de l&#8217;absorption intestinale.<\/p>\n<p>D&#8217;autres effets secondaires de la carence en vitamine K comprennent les fractures osseuses, l&#8217;ost\u00e9oporose et les formes d&#8217;arthrose.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"apport-excessif-en-vitamine-k\">Apport excessif en vitamine K<\/h2>\n<p>Chez l&#8217;adulte, un apport excessif de vitamine K ou de naphtoquinone est rare, de m\u00eame que ses effets secondaires : vomissements, an\u00e9mie, thrombose, transpiration excessive, bouff\u00e9es de chaleur et sensation de serrement dans la poitrine.<\/p>\n<p>Chez les nouveau-n\u00e9s, un apport excessif de vitamine K ou de naphtoquinone est caus\u00e9 par l&#8217;administration de fortes doses de suppl\u00e9ments vitaminiques. Les sympt\u00f4mes peuvent comprendre la jaunisse \u2013 d\u00e9coloration jaune de la peau et des yeux.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","Example":[1801],"class_list":["post-82321","enciclopedia","type-enciclopedia","status-publish","hentry","enciclopedia_category-vitamine"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Vitamine K (naphtoquinone) - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vitamine K (naphtoquinone) - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Qu&#8217;est-ce que la vitamine K ? 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