{"id":80632,"date":"2018-04-13T11:43:36","date_gmt":"2018-04-13T11:43:36","guid":{"rendered":"http:\/\/humanitasnet-new.local\/enciclopedia\/magneziul\/"},"modified":"2018-04-13T11:43:36","modified_gmt":"2018-04-13T11:43:36","slug":"magneziul","status":"publish","type":"enciclopedia","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/magneziul\/","title":{"rendered":"Magneziul"},"content":{"rendered":"<h2 id=\"ce-este-magneziul\">Ce este magneziul?<\/h2>\n<p>Magneziul este un macroelement, adic\u0103 este unul dintre mineralele care se g\u0103sesc \u00een cele mai mari cantit\u0103\u021bi \u00een organism. La majoritatea adul\u021bilor, magneziul contribuie cu aproximativ 50-60% (20 la 28 de grame) la formarea din\u021bilor \u0219i a oaselor, cu 39% \u00een \u021besutul moale \u0219i doar cu 1% \u00een s\u00e2nge. Se consider\u0103 c\u0103 o concentra\u021bie normal\u0103 de magneziu se situeaz\u0103 \u00eentre 0,75 \u0219i 0. 95 mmol\/l. Magneziul activeaz\u0103 enzimele, ajut\u0103 la reglarea nivelurilor altor vitamine \u0219i minerale \u00een organism, \u0219i contribuie la producerea de energie. Fiecare organ din corp, \u00een special inima, rinichii \u0219i mu\u0219chii, are nevoie de acest mineral pentru a func\u021biona corespunz\u0103tor.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"ce-rol-are-magneziul\">Ce rol are magneziul?<\/h2>\n<p>Magneziul particip\u0103 la multe dintre reac\u021biile care au loc \u00een celule. El este co-factorul a peste 300 de enzime, care controleaz\u0103 procese foarte diferite \u00eentre ele: de la sinteza proteinelor la func\u021bionarea mu\u0219chilor \u0219i a nervilor, \u0219i la controlul tensiunii arteriale \u0219i a nivelului glucozei din s\u00e2nge.<\/p>\n<p>&nbsp;<\/p>\n<p>Magneziul este necesar pentru producerea de energie, fosforilare \u0219i oxidarea glicolizei. Mineralul particip\u0103 la dezvoltarea structural\u0103 a oaselor \u0219i este necesar pentru sinteza ADN, ARN \u0219i a glutationului (un important antioxidant). Magneziul este, de asemenea, vital pentru transportul de calciu \u0219i potasiu prin membranele celulare, esen\u021biale pentru transmiterea impulsului nervos, contrac\u021bia muscular\u0103 \u0219i reglarea ritmului cardiac. Unii oameni pun magneziu pe piele pentru a trata ulcerele cutanate \u0219i abcesele infectate, precum \u0219i pentru a accelera vindecarea r\u0103nilor.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"ce-alimente-sunt-bogate-in-magneziu\">Ce alimente sunt bogate \u00een magneziu?<\/h2>\n<p>Magneziul este prezent \u00een aproape toate alimentele. Este deosebit de abundent \u00een legumele cu frunze verzi (cum ar fi spanacul), precum \u0219i \u00een leguminoase, nuci, semin\u021be, cereale integrale \u0219i banane. \u00cen general, alimente bogate \u00een fibre sunt de asemenea surse bune de magneziu.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"care-este-cerinta-zilnica-recomandata-de-magneziu\">Care este cerin\u021ba zilnic\u0103 recomandat\u0103 de magneziu?<\/h2>\n<p>&nbsp;<\/p>\n<p>Consumul zilnic recomandat de magneziu este de 300 mg.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"care-sunt-consecintele-deficientei-de-magneziu\">Care sunt consecin\u021bele deficien\u021bei de magneziu?<\/h2>\n<p>&nbsp;<\/p>\n<p>Deficitul de magneziu nu este des \u00eent\u00e2lnit. Cei mai expu\u0219i riscului sunt persoanele care iau anumite medicamente sau sufer\u0103 de boli care pot afecta procesul de absorb\u021bie. Printre aceste boli se num\u0103r\u0103 diareea cronic\u0103 asociat\u0103 cu boala Crohn, boala celiac\u0103, diabetul de tip 2 sau cazurile de persoane care au suferit interven\u021bii chirurgicale de by-pass intestinal. \u00cen cazurile severe, deficitul de magneziu poate duce la crampe \u0219i spasme musculare, amor\u021beal\u0103, convulsii, aritmii, spasm coronarian, modific\u0103ri de personalitate \u0219i reducerea nivelurilor de calciu \u0219i potasiu din s\u00e2nge.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"care-sunt-consecintele-aportului-excesiv-de-magneziu\">Care sunt consecin\u021bele aportului excesiv de magneziu?<\/h2>\n<p>Orice cantitate \u00een exces de magneziu din alimente este de obicei eliminat\u0103 prin rinichi. Dozele excesive pot, totu\u0219i, s\u0103 provoace diaree, uneori asociate cu grea\u021b\u0103 \u0219i crampe abdominale. Numai doze mai mari de 5 grame pe zi au fost asociate cu toxicitatea, care poate duce la sc\u0103derea tensiunii arteriale, obstruc\u021bia intestinului peristaltic, depresia, lipsa de energie, sl\u0103biciunea muscular\u0103, dificult\u0103\u021bile de respira\u021bie \u0219i, \u00een cazurile mai severe, la stop cardiac.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"este-adevarat-ca-magneziul-poate-ajuta-la-reducerea-crampelor-menstruale\">Este adev\u0103rat c\u0103 magneziul poate ajuta la reducerea crampelor menstruale?<\/h2>\n<p>&nbsp;<\/p>\n<p>Este adev\u0103rat. Pentru crampele menstruale ce apar \u00een fiecare lun\u0103, magneziul poate ajuta la ameliorarea simptomelor asociate cu PMS, cum ar fi balonarea, cre\u0219terea \u00een greutate, umflarea picioarelor \u0219i sensibilitatea s\u00e2nilor. Disponibile \u00een diferite forme de dozare, cum ar fi fiole sau capsule, \u00een general, se recomand\u0103 administrarea magneziului cu cel pu\u021bin o s\u0103pt\u0103m\u00e2n\u0103 \u00eenainte de \u00eenceperea ciclului menstrual al femeii.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","Example":[1779],"class_list":["post-80632","enciclopedia","type-enciclopedia","status-publish","hentry","enciclopedia_category-minerale"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Magneziul - 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=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Magneziul - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Ce este magneziul? 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