{"id":80642,"date":"2018-04-13T12:11:13","date_gmt":"2018-04-13T12:11:13","guid":{"rendered":"http:\/\/humanitasnet-new.local\/enciclopedia\/vanadiul\/"},"modified":"2018-04-13T12:11:13","modified_gmt":"2018-04-13T12:11:13","slug":"vanadiul","status":"publish","type":"enciclopedia","link":"https:\/\/humanitas-net.humweb.webiz.team\/ro\/wiki\/vanadiul\/","title":{"rendered":"Vanadiul"},"content":{"rendered":"<h2 id=\"\"><\/h2>\n<h2 id=\"ce-este-vanadiul\">Ce este vanadiul?<\/h2>\n<p>Vanadiul este un oligoelement, adic\u0103 se g\u0103se\u0219te \u00een organism \u00een cantit\u0103\u021bi mici. Acest mineral este esen\u021bial pentru o cre\u0219tere normal\u0103 a oaselor, de\u0219i studiile actuale nu au reu\u0219it s\u0103 identifice exact ce efecte poate avea vanadiul sau care este cel mai potrivit aport. Vanadiul nu este recomandat persoanelor cu afec\u021biuni medicale; cu toate acestea, poate avea un efect asupra zah\u0103rului din s\u00e2nge la persoanele cu diabet zaharat.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"care-este-rolul-vanadiului\">Care este rolul vanadiului?<\/h2>\n<p>&nbsp;<\/p>\n<p>Vanadiul este important pentru cre\u0219terea \u0219i dezvoltarea organismului. Acesta joac\u0103 un rol important \u00een pompa de sodiu-potasiu, o pomp\u0103 de ioni localizat\u0103 \u00een membrana celular\u0103 \u0219i particip\u0103 la producerea de enzime. Produc\u021bia de enzime implic\u0103 metabolismul nutrien\u021bilor, hormonii \u0219i \u021besutul osos, \u0219i inhib\u0103 sinteza colesterolului. Potrivit unor studii, vanadiul poate juca, de asemenea, un rol similar celui al insulinei, ajut\u00e2nd la cre\u0219terea efectelor acestui hormon \u0219i la sc\u0103derea nivelului zah\u0103rului din s\u00e2nge. Vanadiul este uneori prezentat ca \u0219i supliment sportiv, de\u0219i nu exist\u0103 dovezi care s\u0103 sus\u021bin\u0103 un efect de cre\u0219tere a performan\u021bei.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"ce-alimente-sunt-bogate-in-vanadiu\">Ce alimente sunt bogate \u00een vanadiu?<\/h2>\n<p>&nbsp;<\/p>\n<p>Cele mai bune surse de vanadiu sunt ciupercile, scoicile, piperul negru, p\u0103trunjelul, m\u0103rarul, berea, vinul, cerealele \u0219i produsele din cereale, precum \u0219i b\u0103uturile \u00eendulcite artificial. Exist\u0103 \u00een mai multe forme, printre care sulfatul de vanadiu (supliment nutritiv) \u0219i vanadatul.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"care-este-cerinta-zilnica-recomandata-de-vanadiu\">Care este cerin\u021ba zilnic\u0103 recomandat\u0103 de vanadiu?<\/h2>\n<p>&nbsp;<\/p>\n<p>Consumul zilnic recomandat de vanadiu este de 10-20 micrograme. Dozele mai mari pot fi toxice. Persoanele care nu trebuie s\u0103 ia vanadiu includ femeile \u00eens\u0103rcinate sau care al\u0103pteaz\u0103 \u0219i persoanele care sufer\u0103 de afec\u021biuni renale. Anumite complica\u021bii care pot ap\u0103rea includ leziuni renale, leziuni hepatice,<\/p>\n<p>fertilitatea sc\u0103zut\u0103, defectele la na\u0219tere \u0219i altele.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"care-sunt-consecintele-deficitului-de-vanadiu\">Care sunt consecin\u021bele deficitului de vanadiu?<\/h2>\n<p>&nbsp;<\/p>\n<p>Studiile pe animale indic\u0103 faptul c\u0103 deficien\u021bele de vanadiu ar putea s\u0103 \u00eencetineasc\u0103 cre\u0219terea, s\u0103 creeze probleme asociate cu reproducerea (inclusiv infertilitatea) \u0219i s\u0103 modifice nivelurile de colesterol, trigliceride, glucoz\u0103 \u0219i insulin\u0103 din s\u00e2nge. De asemenea, nivelurile insuficiente ale acestui mineral pot fi asociate cu diabetul zaharat, bolile cardiovasculare \u0219i obezitatea. Datorit\u0103 faptului c\u0103 vanadiul poate sc\u0103dea nivelurile de zah\u0103r din s\u00e2nge, persoanele care iau medicamente pentru sc\u0103derea acestor niveluri pot prezenta riscul apari\u021biei hipoglicemiei sau sc\u0103derea prea mare a nivelului de zah\u0103r din s\u00e2nge. Nici unul dintre aceste efecte nu este, \u00eens\u0103, sigur \u0219i este necesar consultul medical, din cauza poten\u021bialelor efecte secundare \u0219i complica\u021bii.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"care-sunt-consecintele-aportului-excesiv-de-vanadiu\">Care sunt consecin\u021bele aportului excesiv de vanadiu?<\/h2>\n<p>&nbsp;<\/p>\n<p>Consumul excesiv de vanadiu, de peste 10 mg pe zi, pare a fi toxic \u0219i poate provoca complica\u021bii, cum ar fi afectarea ficatului sau a rinichilor, precum \u0219i riscul crescut de cancer de s\u00e2n. \u00cen general, cu c\u00e2t este mai mare starea de oxidare a vanadiului, cu at\u00e2t compusul este mai toxic.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","Example":[1779],"class_list":["post-80642","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>Vanadiul - 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=\"Vanadiul - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Ce este vanadiul? 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