{"id":1876,"date":"2015-12-08T18:06:46","date_gmt":"2015-12-08T18:06:46","guid":{"rendered":"https:\/\/askthescientists.com\/es\/qa\/folic-acid-vitamin-b9\/"},"modified":"2019-12-19T12:00:16","modified_gmt":"2019-12-19T19:00:16","slug":"folic-acid-vitamin-b9","status":"publish","type":"qa","link":"https:\/\/askthescientists.com\/es\/qa\/folic-acid-vitamin-b9\/","title":{"rendered":"\u00c1cido f\u00f3lico (Vitamina B9)"},"content":{"rendered":"<p>El \u00e1cido f\u00f3lico es una vitamina del complejo B soluble en agua que funciona como coenzima reguladora del metabolismo y la divisi\u00f3n celular. \u00a0El \u00e1cido f\u00f3lico ayuda a formar los elementos estructurales del ADN y ARN necesarios para la s\u00edntesis de prote\u00ednas en las c\u00e9lulas humanas.\u00a0 Los tejidos de r\u00e1pido crecimiento -como los de un feto- y las c\u00e9lulas que se regeneran r\u00e1pidamente -como los gl\u00f3bulos rojos y las c\u00e9lulas inmunol\u00f3gicas- tienen una necesidad especialmente alta de \u00e1cido f\u00f3lico.<\/p>\n<p>Los requerimientos de \u00e1cido f\u00f3lico aumentan durante el embarazo.\u00a0 La deficiencia de \u00e1cido f\u00f3lico durante el embarazo est\u00e1 asociada a un bajo peso al momento de nacer y a una mayor incidencia de defectos en el tubo neural, incluyendo anencefalia y espina b\u00edfida.\u00a0 En un estudio, las mujeres con alto riesgo de dar a luz beb\u00e9s con defectos en el tubo neural redujeron su riesgo hasta en 72% tomando suplementos de \u00e1cido f\u00f3lico antes y durante el embarazo.\u00a0 Expertos m\u00e9dicos, otros profesionales del cuidado de la salud y el fondo March of Dimes recomiendan que todas las mujeres en edad de embarazarse se suplementen con\u00a0 400 mcg de \u00e1cido f\u00f3lico al d\u00eda.\u00a0 Dicha suplementaci\u00f3n proteger\u00eda contra la formaci\u00f3n de defectos en el tubo neural durante el tiempo transcurrido entre la concepci\u00f3n y cuando se descubre el embarazo.\u00a0 Si una mujer espera hasta despu\u00e9s del embarazo para comenzar a tomar suplementos a base de \u00e1cido f\u00f3lico, es probablemente demasiado tarde para prevenir un defecto en el tubo neural.<\/p>\n<p>La deficiencia de \u00e1cido f\u00f3lico tambi\u00e9n se ha asociado con altos niveles de homociste\u00edna y un mayor riesgo de sufrir una embolia, enfermedades del coraz\u00f3n y enfermedades cognitivas como Alzheimer.\u00a0 La deficiencia de \u00e1cido f\u00f3lico tambi\u00e9n puede provocar una forma de anemia (que puede remediarse con suplementaci\u00f3n).<\/p>\n<p>Las mejores fuentes alimenticias parecen ser las verduras (esp\u00e1rragos, br\u00f3coli, coles de Bruselas, legumbres), nueces y semillas.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El \u00e1cido f\u00f3lico es una vitamina del complejo B soluble en agua que funciona como coenzima reguladora del metabolismo y la divisi\u00f3n celular. \u00a0El \u00e1cido f\u00f3lico ayuda a formar los elementos estructurales del ADN y ARN necesarios para la s\u00edntesis de prote\u00ednas en las c\u00e9lulas humanas.\u00a0 Los tejidos de r\u00e1pido crecimiento -como los de un [&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-1876","qa","type-qa","status-publish","format-standard","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - 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