{"id":191599,"date":"2020-10-29T08:00:00","date_gmt":"2020-10-29T07:00:00","guid":{"rendered":"https:\/\/gymbeam.com\/blog\/?p=191599"},"modified":"2021-05-18T08:54:45","modified_gmt":"2021-05-18T06:54:45","slug":"beta-karoten-rastlinski-vir-vitamina-a-ne-samo-za-nase-oci-in-kozo","status":"publish","type":"post","link":"https:\/\/gymbeam.si\/blog\/beta-karoten-rastlinski-vir-vitamina-a-ne-samo-za-nase-oci-in-kozo\/","title":{"rendered":"Beta-karoten &#8211; rastlinski vir vitamina A ne samo za na\u0161e o\u010di in ko\u017eo"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/gymbeam.si\/blog\/beta-karoten-rastlinski-vir-vitamina-a-ne-samo-za-nase-oci-in-kozo\/#Beta-karotene_%E2%80%93_kaj_je_pravzaprav_to\" title=\"Beta-karotene &#8211; kaj je pravzaprav to?\">Beta-karotene &#8211; kaj je pravzaprav to?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/gymbeam.si\/blog\/beta-karoten-rastlinski-vir-vitamina-a-ne-samo-za-nase-oci-in-kozo\/#Prednosti_uzivanja_beta-karotena\" title=\"Prednosti u\u017eivanja beta-karotena\">Prednosti u\u017eivanja beta-karotena<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/gymbeam.si\/blog\/beta-karoten-rastlinski-vir-vitamina-a-ne-samo-za-nase-oci-in-kozo\/#Viri_beta-karotena\" title=\"Viri beta-karotena\">Viri beta-karotena<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/gymbeam.si\/blog\/beta-karoten-rastlinski-vir-vitamina-a-ne-samo-za-nase-oci-in-kozo\/#Priporoceni_odmerki_beta-karotena\" title=\"Priporo\u010deni odmerki beta-karotena\">Priporo\u010deni odmerki beta-karotena<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Beta-karoten je <strong>pigment<\/strong>, potreben za<strong> proizvodnjo vitamina A,<\/strong> ki je koristen zaradi svojih <strong>antioksidativnih lastnosti<\/strong>, pa tudi za podporo <strong>zdravim o\u010dem<\/strong> in <strong>ko\u017ei.<\/strong> Lahko ga dopolnite s <strong>prehrano<\/strong> ali v obliki <strong>dodatkov.<\/strong> Preberite o <strong>virih <\/strong>beta-karotena in njegovem <strong>pomenu za \u010dlove\u0161ko telo.<\/strong><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Beta-karotene_%E2%80%93_kaj_je_pravzaprav_to\"><\/span><strong>Beta-karotene &#8211; kaj je pravzaprav to?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Beta-karoten<\/strong> je v bistvu <strong>karotenoid<\/strong> &#8211; <strong>barvni pigment,<\/strong> ki ga najdemo v nekateri <strong>zelenjavi<\/strong> ali <strong>sadju.<\/strong> Imate radi pisane sade\u017ee? \u0160tevilne solate in jedi so bolj privla\u010dne zaradi svojih <strong>zna\u010dilnih barv. Pigmenti<\/strong> so <strong>koristni za zdravje<\/strong>, poleg<strong> klorofila<\/strong> ali <strong>antocianinov<\/strong> pa so pomembni tudi <strong>karotenoidi.<\/strong>&nbsp;<span style=\"color: #ff6600\">[2] [3]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gymbeam.sk\/blog\/wp-content\/uploads\/2020\/09\/\u010do-je-betakarot\u00e9n-1124x749.jpg\" alt=\"Beta-karoten - kaj je pravzaprav to?\" class=\"wp-image-183968\" width=\"843\" height=\"562\" title=\"Beta-karoten - kaj je pravzaprav to?\" srcset=\"https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/\u010do-je-betakarot\u00e9n-1124x749.jpg 1124w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/\u010do-je-betakarot\u00e9n-400x267.jpg 400w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/\u010do-je-betakarot\u00e9n-1536x1024.jpg 1536w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/\u010do-je-betakarot\u00e9n.jpg 1920w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><\/figure><\/div>\n\n\n\n<p>Beta-karoten je eden od karotenoidov in ima<strong> oran\u017eno rumeno barvo.<\/strong> V naravi je pribli\u017eno <strong>700 razli\u010dnih karotenoidov.<\/strong> Pribli\u017eno <strong>10%<\/strong> jih najdemo v <strong>\u010dlove\u0161ki prehrani, pribli\u017eno 20 karotenoidov<\/strong> pa v <strong>plazmi in tkivih sesalcev. Glavni <\/strong>karotenoidi v plazmi vklju\u010dujejo<strong> beta-karoten, lutein, likopen<\/strong> ali <strong>alfa-karoten.<\/strong> Ime beta-karoten izhaja iz kombinacije <strong>gr\u0161ke besede &#8220;beta&#8221; in latinske &#8220;carota&#8221;<\/strong> (koren\u010dek). <strong>H. Wachenroder<\/strong>, ki je ugotovil to indikacijo, jo je prvi\u010d<strong> izoliral iz korenja leta 1831.<\/strong> Beta-karoten je bil izoliran \u017ee v 19. stoletju, a njegovo <strong>kemijsko formulo &#8211;<\/strong> <strong>C<sub>40<\/sub>H<sub>56<\/sub><\/strong> so odkrili malo pozneje <strong>leta 1907.<\/strong> Kakorkoli, ne najdemo ga le v korenju, ampak tudi v drugi zelenjavi in sadju, na primer <strong>sladek krompir<\/strong> ali <strong>ohrovt,<\/strong> vsebuje tudi ta pigment.<strong>&nbsp;<\/strong><span style=\"color: #ff6600\">[4] [5] [7]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Beta-karoten in vitamin A<\/strong><\/h3>\n\n\n\n<p>Vnos beta-karotena je za \u010dloveka pomemben, ker ga telo pretvori v vitamin A &#8211; <strong>retinol.<\/strong> Je <strong>predhodnik vitamina A<\/strong>, ki ima v \u010dlove\u0161kem telesu dve obliki <span style=\"color: #ff6600\">[4] [6]<\/span>:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><p><strong>predpripravljen vitamin A<\/strong> (retinol in retinil estri)<\/p><\/li><li><p><strong>provitamin A<\/strong> (karotenoidi, kot je beta-karoten)<\/p><\/li><\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vitamin A je pomembno <strong>mikrohranilo<\/strong>, ker podpira <strong>zdravje o\u010di in vida, imunski sistem,<\/strong> pa tudi na primer zdravo ko\u017eo. <strong>Predpripravljen vitamin A<\/strong> lahko dobite iz <strong>obogatenih \u017eivil, \u017eivalskih proizvodov<\/strong> ali <strong>prehranskih dopolnil. Karotenoidi<\/strong> so naravni <strong>del rastlin<\/strong>, vendar jih lahko najdete tudi v obliki<strong> dodatkov.<\/strong> <strong>Beta-karoten<\/strong> v nasprotju z vitaminom A <strong>ni bistveno hranilo.<\/strong> Ko govorimo o vitamina A, moramo biti pazljivi, ker je lahko njegova<strong> prekomerna koli\u010dina toksi\u010dna<\/strong> za telo. S tem je povezana tudi<strong> korist beta-karotena<\/strong> v prehrani, ker ga organizem pretvori v vitamin A le v tisti <strong>koli\u010dini, ki jo potrebuje. <\/strong><span style=\"color: #ff6600\">[4] [6]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gymbeam.sk\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-vitam\u00edn-1124x749.jpg\" alt=\"beta-karoten\" class=\"wp-image-183955\" width=\"843\" height=\"562\" title=\"beta-karoten\" srcset=\"https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-vitam\u00edn-1124x749.jpg 1124w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-vitam\u00edn-400x267.jpg 400w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-vitam\u00edn-1536x1024.jpg 1536w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-vitam\u00edn.jpg 1920w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Jejte korenje za bolj\u0161i vid<\/strong><\/h3>\n\n\n\n<p>Ne vem za vas, ampak jaz sem kot otrok imel super vid. Iskreno, korenje sem jedel, ker sem se bal, da bom moral nositi &#8220;ogromna&#8221; o\u010dala, \u010de ga ne bom jedel. Verjetno ste tudi vi \u017ee naleteli na to izjavo. <strong>No, to niso ravno neumnosti,<\/strong> ker je beta-karoten v korenju <strong>nujen za pravilno raven vitamina A,<\/strong> ki podpira pravilno <strong>delovanje vida.<\/strong> Upam, da nih\u010de od vas, kot otrok ni pri\u010dakoval, da bo po tem, ko bo pojedel pol kilograma korenja, lahko odvrgel o\u010dala in lahko videli kjerkoli, ali pa celo naredil luknjo v vratih s pogledom. <span style=\"color: #ff6600\">[6]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gymbeam.sk\/blog\/wp-content\/uploads\/2020\/09\/pexels-cottonbro-3972202-min-4-1124x749.jpg\" alt=\"korenje beta-karoten\" class=\"wp-image-184283\" width=\"843\" height=\"562\" title=\"korenje beta-karoten\" srcset=\"https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/pexels-cottonbro-3972202-min-4-1124x749.jpg 1124w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/pexels-cottonbro-3972202-min-4-400x267.jpg 400w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/pexels-cottonbro-3972202-min-4-1536x1024.jpg 1536w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/pexels-cottonbro-3972202-min-4-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Prednosti_uzivanja_beta-karotena\"><\/span><strong>Prednosti u\u017eivanja beta-karotena<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Antioksidativne lastnosti beta-karotena<\/strong><\/h3>\n\n\n\n<p>Vklju\u010ditev <strong>antioksidantov<\/strong> v prehrano in njihova popularizacija <strong>nista le komercialni hit.<\/strong> Prosti radikali in oksidacija molekul so lahko vzrok za <strong>\u0161tevilne kroni\u010dne bolezni.<\/strong> Oksidativni stres ni izmi\u0161ljotina in njegova visoka raven lahko povzro\u010di razvoj <strong>kroni\u010dnega vnetja, bolezni srca in o\u017eilja ali raka.<\/strong> Antioksidanti veljajo za snovi s sposobnostjo <strong>zmanj\u0161anja oksidacije molekul<\/strong> in <strong>karotenoidi,<\/strong> vklju\u010dno z beta-karotenom, pa <strong>spadajo mednje.<\/strong> Koristni so pri <strong>nevtralizaciji<\/strong> morebitnih <strong>po\u0161kodb lipidov v celi\u010dnih membranah, beljakovin in DNA s prostimi radikali.<\/strong> \u0160tevilne \u0161tudije so potrdile, da u\u017eivanje antioksidantov pozitivno vpliva na <strong>spodbujanje imunosti proti oksidativnemu stresu.&nbsp;<\/strong><span style=\"color: #ff6600\">[14] [15]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gymbeam.sk\/blog\/wp-content\/uploads\/2020\/09\/pexels-brett-sayles-2914749-min-1124x748.jpg\" alt=\"beta-karoten antioksidant\" class=\"wp-image-184322\" width=\"843\" height=\"561\" title=\"beta-karoten antioksidant\" srcset=\"https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/pexels-brett-sayles-2914749-min-1124x748.jpg 1124w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/pexels-brett-sayles-2914749-min-400x266.jpg 400w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/pexels-brett-sayles-2914749-min-1536x1022.jpg 1536w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/pexels-brett-sayles-2914749-min-2048x1363.jpg 2048w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><\/figure><\/div>\n\n\n\n<p>Beta-karoten je vodilni model karotenoidov, vendar se <strong>likopen<\/strong> v <strong>ZDA<\/strong> u\u017eiva v pribli\u017eno <strong>enakih koli\u010dinah kot beta-karoten.<\/strong> Ne samo betakaroten, ampak tudi<strong> me\u0161anice karotenoidov ali kombinacija z drugimi antioksidanti,<\/strong> kot je vitamin E, lahko <strong>pove\u010dajo njihov u\u010dinek na proste radikale. <\/strong>V treh od \u0161tirih intervencijskih \u0161tudij <strong>ni bilo mogo\u010de dokazati<\/strong> <strong>za\u0161\u010ditne funkcije<\/strong> dodatkov beta-karotena <strong>pred boleznimi srca in o\u017eilja ali rakom.<\/strong>&nbsp;V naslednjem podpoglavju lo\u010deno obravnavamo ti dve bolezni v povezavi z betakarotenom. Vsekakor lahko trdimo, da imajo<strong> prehranski karotenoidi<\/strong> <strong>pozitiven u\u010dinek<\/strong>, vendar ne v <strong>velikih odmerkih<\/strong> pri ljudeh, izpostavljenih<strong> azbestu in pri kadilcih.<span style=\"color: #ff6600\">&nbsp;<\/span><\/strong><span style=\"color: #ff6600\">[16]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Beta-karoten in vid<\/strong><\/h3>\n\n\n\n<p>O legendi, povezani s koren\u010dkom in dobrim vidom, smo \u017ee govorili. <strong>U\u010dinki beta-karotena<\/strong> na<strong> zdravje o\u010di<\/strong> so bili predmet <strong>ve\u010d \u0161tudij.<\/strong> \u0160tudija iz leta 2016 ugotavlja, da <strong>pove\u010dan vnos karotenoidov zmanj\u0161uje tveganje starostne degeneracije rumene pege (AMD).<\/strong> Poleg tega rezultati \u0161tudije iz leta 2017 opozarjajo na dejstvo, da ima lahko <strong>ve\u010dji vnos zelenjave in sadja,<\/strong> ki ne vsebuje samo <strong>beta-karotena<\/strong>, temve\u010d tudi <strong>alfa-karoten in vitamin C<\/strong>,<strong> za\u0161\u010ditni u\u010dinek pred AMD pri kadilcih.<\/strong> AMD je okraj\u0161ava za o\u010desno bolezen, ki povzro\u010da <strong>zamegljen vid<\/strong>, na primer pri branju. Je glavni vzrok za<strong> izgubo vida pri ljudeh, starej\u0161ih od 50 let. <\/strong>U\u017eivanje korenja in podobne zelenjave in sadja vam ne bo dalo &#8220;jasnovidnih&#8221; sposobnosti, lahko pa podpirate vitalnost svojih o\u010di v poznej\u0161ih letih.&nbsp;<span style=\"color: #ff6600\">[1] [17] [18] [19]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gymbeam.sk\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-a-zrak-1124x749.jpg\" alt=\"Beta-karoten in vid\" class=\"wp-image-183916\" width=\"843\" height=\"562\" title=\"Beta-karoten in vid\" srcset=\"https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-a-zrak-1124x749.jpg 1124w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-a-zrak-400x267.jpg 400w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-a-zrak-1536x1024.jpg 1536w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-a-zrak.jpg 1920w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Beta-karoten in ko\u017ea<\/strong><\/h3>\n\n\n\n<p>Ustrezen <strong>vnos beta-karotena<\/strong>, ki se v telesu<strong> pretvori v vitamin A<\/strong>, je koristen za <strong>zdravo ko\u017eo.<\/strong> Lahko za\u0161\u010diti pred <strong>alergijami na sonce.<\/strong> Je reakcija ko\u017ee, izpostavljene <strong>son\u010dni svetlobi.<\/strong> Pogosto jo boste prepoznali po<strong> rde\u010dih izpu\u0161\u010dajih, oteklinah ali srbenju.<\/strong> \u010ce smo natan\u010dni, gre za <strong>alergijo na ultravijoli\u010dno sevanje<\/strong>, ki se obi\u010dajno pojavi na za\u010detku sezone son\u010denja. \u010ce tega ne veste, bodite sre\u010dni, <strong>10 do 15% nordijske populacije<\/strong> ima te\u017eave s to vrsto alergije.&nbsp;<span style=\"color: #ff6600\">[10] [11]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Kaj ima beta-karoten opraviti z alergijo na sonce? \u010clove\u0161ko telo se lahko za\u0161\u010diti pred vplivi <strong>UV \u017earkov<\/strong> s svojim <strong>pigmentom<\/strong>, imenovanim<strong> melanin.<\/strong> Melanin ima poleg \u010dudovite porjavele ko\u017ee tudi <strong>za\u0161\u010ditno funkcijo.<\/strong> <strong>&#8220;Bronasti pigment&#8221; \u0161\u010diti ko\u017eo pred \u0161kodljivimi deli<\/strong> son\u010dnih \u017earkov. Beta-karoten ima sposobnost za\u0161\u010dite pred son\u010dnimi alergijami zaradi <strong>pove\u010dane proizvodnje melanina.<\/strong> Iz tega sledi, da korenje ni koristno le za pravilno delovanje o\u010di, temve\u010d tudi za <strong>lepo porjavelost ko\u017ee<\/strong>, s tem pa se izognemo tudi izpu\u0161\u010dajem zaradi sonca. <span style=\"color: #ff6600\">[10]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gymbeam.sk\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-na-opa\u013eovanie-1124x749.jpg\" alt=\"Beta-karoten in ko\u017ea\" class=\"wp-image-183942\" width=\"843\" height=\"562\" title=\"Beta-karoten in ko\u017ea\" srcset=\"https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-na-opa\u013eovanie-1124x749.jpg 1124w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-na-opa\u013eovanie-400x267.jpg 400w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-na-opa\u013eovanie-1536x1024.jpg 1536w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-na-opa\u013eovanie.jpg 1920w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Beta-karoten in kognitivne funkcije<\/strong><\/h3>\n\n\n\n<p>U\u010dinek beta-karotena na <strong>kognitivne funkcije<\/strong> ni posebej<strong> izjemen<\/strong>, vendar ga je treba omeniti. Predstavljen je<strong> v pregledu \u0161tudij iz leta 2018<\/strong>, ki so temeljile na <strong>8 \u0161tudijah<\/strong>, osredoto\u010denih na <strong>u\u010dinek antioksidantov<\/strong> na kognitivne funkcije. Opozarja na <strong>majhen pomen betakarotena<\/strong>, ki se uporablja <strong>ve\u010d kot 18 let<\/strong> <em>(ne govorimo o starosti, ampak o trajanju dodajanja)<\/em>, vendar ima tudi dolo\u010deno resnost. Sistemati\u010dno dodajanje antioksidantov lahko <strong>podpira<\/strong> tudi boj proti <strong>poslab\u0161anju kognitivne okvare.&nbsp;<\/strong><span style=\"color: #ff6600\">[1] [20]&nbsp;<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n    <link href=\"https:\/\/gymbeam.com\/blog\/wp-content\/themes\/wp-gymbeam-blog-theme\/css\/vue\/index.css\" rel=\"preload\" as=\"style\">\n    <link href=\"https:\/\/gymbeam.com\/blog\/wp-content\/themes\/wp-gymbeam-blog-theme\/js\/vue\/chunk-vendors.js\" rel=\"preload\" as=\"script\">\n    <link href=\"https:\/\/gymbeam.com\/blog\/wp-content\/themes\/wp-gymbeam-blog-theme\/js\/vue\/index.js\" rel=\"preload\" as=\"script\">\n    <link data-no-optimize=\"1\" href=\"https:\/\/gymbeam.com\/blog\/wp-content\/themes\/wp-gymbeam-blog-theme\/css\/vue\/index.css\" rel=\"stylesheet\">\n\n    <h2>\n        You might be interested in these products:    <\/h2>\n\n    <div data-app=\"recommended\" data-products=\"28760,49306,29089,36631,40507,41443,41800,6322\" ><\/div>\n\n    <script data-no-optimize=\"1\" src=\"https:\/\/gymbeam.com\/blog\/wp-content\/themes\/wp-gymbeam-blog-theme\/js\/vue\/chunk-vendors.js\"><\/script>\n    <script data-no-optimize=\"1\" src=\"https:\/\/gymbeam.com\/blog\/wp-content\/themes\/wp-gymbeam-blog-theme\/js\/vue\/index.js\"><\/script>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Ostale prednosti beta-karotena<\/strong><\/h3>\n\n\n\n<p>Raziskave niso osredoto\u010dene le na pomen beta-karotena pri <strong>izbolj\u0161anju kakovosti o\u010di, ko\u017ee<\/strong> in njegovih <strong>antioksidativnih lastnosti.<\/strong> \u0160tudija iz leta <strong>2016<\/strong> ponuja tudi <strong>pregled<\/strong> drugih <strong>preu\u010denih mo\u017enih u\u010dinkov<\/strong> in koristi karotenoidov na \u010dlove\u0161ko telo <span style=\"color: #ff6600\">[21]<\/span>:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><p><strong>Diabetes tipa 2 <\/strong>&#8211; prehrana, bogata z<strong> beta in alfa-karotenom<\/strong>, je povezana z <strong>manj\u0161im tveganjem za diabetes tipa 2.<\/strong><\/p><\/li><li><p><strong>Inzulinska ob\u010dutljivost<\/strong> &#8211;<strong> beta-karoten<\/strong> pozitivno vpliva na ob\u010dutljivost na <strong>inzulin pri ljudeh z mo\u010dnej\u0161o postavo,<\/strong> kar lahko vklju\u010duje <strong>pozitivno uravnavanje adiponektina.<\/strong><\/p><\/li><li><p><strong>Zastrupitev s svincem<\/strong> &#8211; <strong>antioksidativne lastnosti beta-karotena<\/strong> so pomembne pri zdravljenju zastrupitve s svincem.<\/p><\/li><li><p><strong>Zmanj\u0161ana absorpcija holesterola<\/strong> &#8211; dokazano je, da beta karoten <strong>zmanj\u0161uje absorpcijo holesterola<\/strong> v \u010drevesju in njegovo <strong>ve\u010dje izlo\u010danje z blatom.<\/strong><\/p><\/li><li><p><strong>Upo\u010dasnitev poteka ateroskleroze<\/strong> &#8211;<strong> karotenoidi v prehrani<\/strong> z visoko vsebnostjo <strong>9-cis-\u03b2-karotena<\/strong> so koristni pri upo\u010dasnitvi poteka ateroskleroze, zlasti pri prehrani z veliko ma\u0161\u010dobami.<\/p><\/li><li><p><strong>U\u010dinki na po\u0161kodbe jeter <\/strong>&#8211; Uporaba beta-karotena v obliki prehranskega dopolnila je koristna pri prepre\u010devanju po\u0161kodb jeter zaradi etanola.<\/p><\/li><li><p><strong>Potencialni u\u010dinki proti raku<\/strong> &#8211; dokazano je, da beta-karoten vpliva na <strong>&#8220;mikrookolje&#8221; tumorja.<\/strong><\/p><\/li><\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Beta-karoten, bolezni srca in plju\u010dni rak<\/strong><\/h3>\n\n\n\n<p>Beta-karoten je pomemben za ve\u010d procesov v \u010dlove\u0161kem telesu, <strong>vendar ni re\u0161itev<\/strong>, s<strong> katero lahko premagate vsako bolezen.<\/strong> Primer so <strong>rezultati klini\u010dne \u0161tudije iz leta 1996<\/strong>, ki je preu\u010devala u\u010dinke kombinacije <strong>beta-karotena in vitamina A kot prepre\u010devanje plju\u010dnega raka in bolezni srca in o\u017eilja.<\/strong> Glede na zaklju\u010dke pribli\u017eno <strong>\u0161tiriletna dopolnitev ni imela nobenega pomena.<\/strong> Lahko bi celo <strong>negativno vplival na kadilce in delavce, izpostavljene azbestu<\/strong> in bi lahko <strong>povzro\u010dil njihovo smrt<\/strong> zaradi plju\u010dnega raka, bolezni srca in o\u017eilja ali drugih razlogov. Na \u017ealost dodatkov beta-karotena ni mogo\u010de uporabiti za prepre\u010devanje plju\u010dnega raka in bolezni srca in o\u017eilja. \u0160e posebej za kadilce.&nbsp;<span style=\"color: #ff6600\">[12] [13]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gymbeam.sk\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-a-faj\u010denie-1124x716.jpg\" alt=\"beta-karoten in kajenje\" class=\"wp-image-183903\" width=\"843\" height=\"537\" title=\"beta-karoten in kajenje\" srcset=\"https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-a-faj\u010denie-1124x716.jpg 1124w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-a-faj\u010denie-400x255.jpg 400w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-a-faj\u010denie-1536x978.jpg 1536w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/betakarot\u00e9n-a-faj\u010denie.jpg 1920w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Viri_beta-karotena\"><\/span><strong>Viri beta-karotena<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Beta-karoten najdemo v<strong> sadju, zelenjavi z rumeno, oran\u017eno in rde\u010do barvo. <\/strong>Je topen v ma\u0161\u010dobi in u\u017eivanje<strong> z ma\u0161\u010dobo izbolj\u0161a<\/strong> njegovo <strong>absorpcijo.<\/strong> Celo znanstveno je dokazano, da lahko iz <strong>kuhanega korenja<\/strong> pridobite <strong>ve\u010d karotenoidov<\/strong> kot iz surovega. To ne pomeni, da bi morali vsaki\u010d kuhati korenje, \u010de pa posku\u0161ate pridobiti ve\u010d beta-karotena, poskusite koren\u010dku dodati &#8220;kapljico&#8221; olja. Najvi\u0161jo vsebnost beta-karotena lahko najdemo v naslednjih \u017eivilih <span style=\"color: #ff6600\">[1]<\/span>:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><p><strong>korenje<\/strong><\/p><\/li><li><p><strong>brokoli<\/strong><\/p><\/li><li><p><strong>\u0161pina\u010da<\/strong><\/p><\/li><li><p><strong>ohrovt<\/strong><\/p><\/li><li><p><strong>marelice<\/strong><\/p><\/li><li><p><strong>melona<\/strong><\/p><\/li><li><p><strong>grah<\/strong><\/p><\/li><\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gymbeam.sk\/blog\/wp-content\/uploads\/2020\/09\/\u010do-obsahuje-betakarot\u00e9n-1124x749.jpg\" alt=\"kaj vsebuje beta-karoten\" class=\"wp-image-183981\" width=\"843\" height=\"562\" title=\"kaj vsebuje beta-karoten\" srcset=\"https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/\u010do-obsahuje-betakarot\u00e9n-1124x749.jpg 1124w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/\u010do-obsahuje-betakarot\u00e9n-400x267.jpg 400w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/\u010do-obsahuje-betakarot\u00e9n-1536x1024.jpg 1536w, https:\/\/gymbeam.com\/blog\/wp-content\/uploads\/2020\/09\/\u010do-obsahuje-betakarot\u00e9n.jpg 1920w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><\/figure><\/div>\n\n\n\n<p>Poleg sadja in zelenjave najdemo<strong> beta-karoten<\/strong> tudi v ve\u010d <strong>za\u010dimbah in zeli\u0161\u010dih.<\/strong> Vnos lahko pove\u010date tudi z u\u017eivanjem <strong>\u010dilija, peter\u0161ilja, koriandra, paprike ali \u017eajblja.<span style=\"color: #ff6600\">&nbsp;<\/span><\/strong><span style=\"color: #ff6600\">[1]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Seveda je beta-karoten na voljo tudi v obliki<a href=\"https:\/\/gymbeam.si\/beta-carotene-gymbeam.html\" target=\"_blank\" aria-label=\" (opens in a new tab)\" rel=\"noreferrer noopener\" class=\"ek-link\"> prehranskih dopolnil.<\/a><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Priporoceni_odmerki_beta-karotena\"><\/span><strong>Priporo\u010deni odmerki beta-karotena<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Priporo\u010deni dnevni odmerki drugih mineralov in vitaminov so splo\u0161no znani. Z beta-karotenom <strong>ni tako preprosto.<\/strong> Vendar <strong>Evropska agencija za varnost hrane<\/strong> (EFSA) in <strong>U.S. Food and Nutrition Board<\/strong> \u0161<strong>e nista dolo\u010dila priporo\u010denega dnevnega vnosa beta-karotena<\/strong> in drugih karotenoidov. Razlog je <strong>pomanjkanje obstoje\u010dih dokazov<\/strong> za njegovo dolo\u010ditev. <strong>Vitamin A<\/strong> je lahko <strong>toksi\u010den<\/strong> za \u010dloveka, vendar se <strong>beta-karoten<\/strong> \u0161teje za varen. Glede na razpolo\u017eljive dokaze, <strong>20 mg dnevno<\/strong> in ve\u010d <strong>dodatkov beta-karotena<\/strong> <strong>za kadilce ni priporo\u010dljivo.<\/strong> Idealen na\u010din za u\u017eivanje beta-karotena je seveda prehrana, toda dodatki so tudi <strong>prakti\u010dni vir tega pomembnega hranila.<\/strong> V primeru prehranskih dopolnil priporo\u010damo <strong>upo\u0161tevanje priporo\u010denih odmerkov, ki jih je dolo\u010dil proizvajalec.&nbsp;<\/strong><span style=\"color: #ff6600\">[8] [9]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Negativni in ne\u017eeleni u\u010dinki beta-karotena<\/strong><\/h3>\n\n\n\n<p>Poleg koristi je pomembno opozoriti na mo\u017ene <strong>negativne u\u010dinke uporabe beta-karotena. <\/strong>Znak prevelikega odmerka beta-karotena iz<strong> prehranskih dopolnil<\/strong> je lahko <strong>porumenelost rok, dlani in stopal.<\/strong> Redko vklju\u010duje <strong>bole\u010dine v sklepih, omotico, drisko ali nenavadne krvavitve in podplutbe. <\/strong>V primeru trajnih ne\u017eelenih u\u010dinkov je priporo\u010dljiv obisk zdravnika. Pove\u010dan vnos vitamina A ali sintetiziranih retinoidov je povezan s <strong>prirojenimi motnjami. <\/strong>Zato <strong>nose\u010dnicam<\/strong> ni priporo\u010dljivo u\u017eivanje <strong>velikih odmerkov vitamina A kot dodatek.<\/strong>&nbsp;<span style=\"color: #ff6600\">[22] [23]<\/span><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Beta-karoten je pomembno hranilo, katerega vnos s hrano ali dodatki je pomemben za ljudi. Ima antioksidativne u\u010dinke, spodbuja zdravje ko\u017ee in o\u010di, pa tudi druge koristi. Vsekakor je pomembno, da upo\u0161tevate priporo\u010deni dnevni odmerek za dopolnilno obliko. Upamo, da ste v \u010dlanku izvedeli <strong>vse, kar morate vedeti o beta-karotenu.<\/strong> Ali \u017eelite, da tudi <strong>va\u0161i prijatelji&nbsp; izvejo o beta-karotenu in njegovem pomenu?<\/strong> \u010clanek lahko <strong>podprete z deljenjem.<\/strong><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><a href=\"https:\/\/gymbeam.com\/vitamins\" target=\"_blank\" class=\"category-button\">\n\t<span class=\"label\">\n\t\tVitamins\t<\/span>\n\t<svg class=\"icon-cart\" focusable=\"false\">\n\t\t<use xlink:href=\"#icon-cart\"><\/use>\n\t<\/svg>\n<\/a><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><a href=\"https:\/\/gymbeam.com\/hair-nails-and-skin\" target=\"_blank\" class=\"category-button\">\n\t<span class=\"label\">\n\t\tHair, nails and skin\t<\/span>\n\t<svg class=\"icon-cart\" focusable=\"false\">\n\t\t<use xlink:href=\"#icon-cart\"><\/use>\n\t<\/svg>\n<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Beta-karoten je rde\u010di pigment, antioksidant in material za proizvodnjo vitamina A v \u010dlove\u0161kem telesu. Pomemben je v boju proti prostim radikalom, pa tudi za ohranjanje zdravja o\u010di in ko\u017ee. Nau\u010dite se, kaj je beta-karoten, spoznajte njegove vire in pomen za \u010dlove\u0161ko telo.<\/p>\n","protected":false},"author":25,"featured_media":184402,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_editorskit_title_hidden":false,"_editorskit_reading_time":7,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","footnotes":""},"categories":[118],"tags":[7095,7569,7629],"filter_section":[],"filter_attribute":[],"class_list":{"0":"post-191599","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-prehranska-dopolnila","8":"tag-koza-sl","9":"tag-vitamini-sl","10":"tag-zdravje","11":"h-entry","12":"hentry"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Beta-karoten - rastlinski vir vitamina A ne samo za na\u0161e o\u010di in ko\u017eo - GymBeam Blog<\/title>\n<meta name=\"description\" content=\"Beta-karoten je rde\u010d pigment, iz katerega \u010dlove\u0161ko telo proizvaja vitamin A. 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