{"id":80771,"date":"2018-04-17T11:43:57","date_gmt":"2018-04-17T11:43:57","guid":{"rendered":"http:\/\/humanitasnet-new.local\/enciclopedia\/beta-karoten\/"},"modified":"2018-04-17T11:43:57","modified_gmt":"2018-04-17T11:43:57","slug":"beta-karoten","status":"publish","type":"enciclopedia","link":"https:\/\/humanitas-net.humweb.webiz.team\/sr\/wiki\/beta-karoten\/","title":{"rendered":"Beta-karoten"},"content":{"rendered":"<h2 id=\"sta-je-beta-karoten\">\u0160ta je beta-karoten?<\/h2>\n<p>Beta-karoten je biljni pigment karotenoid (\u017euti, crveni ili narand\u017easti) koji se smatra prekursorom vitamina A (retinol).<\/p>\n<p>&nbsp;<\/p>\n<p>Beta-karoten, kao i svi karotenoidi, je rastvorljiv u masti, osetljiv je na svetlo i na visoku temperaturu. U tankom crevu pretvara se u vitamin A da bi se zatim skladi\u0161tio u jetri, odakle se postepeno otpu\u0161ta u zavisnosti od potreba organizma.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"koja-je-uloga-beta-karotena\">Koja je uloga beta-karotena?<\/h2>\n<p>Beta-karoten je od vitalnog zna\u010daja za organizam u pogledu ishrane. On je iznad svega izvrstan antioksidant, sposoban da \u0161titi telo od slobodnih radikala. On je tako\u0111e osnovni izvor vitamina A, koji je od su\u0161tinske va\u017enosti za vid i rast, omogu\u0107avaju\u0107i pravilan razvoj kostiju. Sasvim je opravdana tvrdnja da se beta-karoten posebno preporu\u010duje za rast i razvoj dece i mladih osoba.<\/p>\n<p>&nbsp;<\/p>\n<p>Koristi beta-karoten pove\u0107avaju se u slu\u010dajevima kada se on unosi zajedno sa vitaminom C, vitaminom E i cinkom.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"koje-namirnice-su-bogate-beta-karotenom\">Koje namirnice su bogate beta-karotenom?<\/h2>\n<p>Beta-karoten je prisutan u mnogim vrstama vo\u0107a i povr\u0107a, kao i u zelenom lisnatom povr\u0107u, uklju\u010duju\u0107i \u0161argarepu i bundevu, u nekim cerealijama i uljima.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"koje-su-dnevne-potrebe-za-beta-karotenom\">Koje su dnevne potrebe za beta-karotenom?<\/h2>\n<p>Dnevne potrebe za beta-karotenom kod odrasle osobe kre\u0107u se od 2 do 4 mg.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"nedostatak-beta-karotena\">Nedostatak beta-karotena<\/h2>\n<p>Nedostatak beta-karotena ne dovodi do zdravstvenih problema osim ako nije povezan sa nedostatkom vitamina A i u tom slu\u010daju dolazi do pojave slede\u0107ih simptoma: problema sa vidom, pove\u0107ane podlo\u017enosti infekcijama, zaostalost u rastu.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"prekomerni-unos-beta-karotena\">Prekomerni unos beta-karotena<\/h2>\n<p>Kod pu\u0161a\u010da prekomerni unos beta-karotena mo\u017ee rezultirati pove\u0107anim rizikom od raka plu\u0107a, za razliku od uzimanja manjih doza od preporu\u010dene.<\/p>\n<p>&nbsp;<\/p>\n<p>Kod trudnica i kod dojilja dnevne doze beta-karotena ne smeju biti prekora\u010dene. U normalnim okolnostima, preterani unos beta-karotena mo\u017ee dovesti do promene boje ko\u017ee ili do nekih drugih poreme\u0107aja koji \u0107e nestati kada se smanji unos beta-karotena.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","Example":[1785],"class_list":["post-80771","enciclopedia","type-enciclopedia","status-publish","hentry","enciclopedia_category-vitamini"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Beta-karoten - 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=\"sr_RS\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Beta-karoten - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"\u0160ta je beta-karoten? 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Beta-karoten je biljni pigment karotenoid (\u017euti, crveni ili narand\u017easti) koji se smatra prekursorom vitamina A (retinol). &nbsp; Beta-karoten, kao i svi karotenoidi, je rastvorljiv u masti, osetljiv je na svetlo i na visoku temperaturu. 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