. . . "115842"^^ . . . "-3.7"^^ . "vitaminy A"@cs . "vitam\u00EDn\u016F A"@cs . . . . "Vitam\u00EDn A"@cs . . . "Vitam\u00EDn A"@cs . "Retinol.png"@cs . . . "Retinol"@cs . "16516831"^^ . "vitam\u00EDn A"@cs . . "Vitam\u00EDn A"@cs . . . "68-26-8" . . . "Vitam\u00EDn A (axeroftol) je v tuc\u00EDch rozpustn\u00FD vitam\u00EDn. Existuje ve dvou p\u0159irozen\u00FDch form\u00E1ch \u2013 vitam\u00EDn A1 (retinol) a vitam\u00EDn A2 (3-dehydroretin).Vitam\u00EDn A je nutn\u00FD pro tvorbu rodopsinu, zrakov\u00E9ho pigmentu pou\u017E\u00EDvan\u00E9ho za n\u00EDzk\u00E9ho osv\u011Btlen\u00ED. Nedostatek vitam\u00EDnu proto vede k \u0161erosleposti. Vitam\u00EDn A je tak\u00E9 d\u016Fle\u017Eit\u00FD antioxidant. Rovn\u011B\u017E je nezbytn\u00FD pro v\u00FDvoj epiteli\u00ED, p\u0159i jeho nedostatku bu\u0148ky rohovat\u00ED (xer\u00F3za)."@cs . "Vitaminy A"@cs . . "retinolu"@cs . "vitam\u00EDnu A"@cs . . . "vitam\u00EDnu"@cs . . . . . "Vitam\u00EDn A"@cs . . . . . "retinol"@cs . "vitaminu A"@cs . . . . "Vitaminu A"@cs . . . . "5076"^^ . . . . . . "200"^^ . "vitam\u00EDn A"@cs . . "54"^^ . "Vitam\u00EDn A"@cs . "68"^^ . "Strukturn\u00ED vzorec"@cs . "vitamin A"@cs . . . "137"^^ . "vitam\u00EDny A"@cs . . "286"^^ . "286.456"^^ . "C20H30O" . "vitamin A"@cs . . . . . . "C20H30O"@cs . . . "vitam\u00EDnu A"@cs . . "vitaminu A"@cs . "A"@cs . . . . . "Vitamin A"@cs . "(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyklohex-1-en-1-yl)nona-2,4,6,8-tetraen-1-ol"@cs . . . "200"^^ . . . . . . . . . "vitam\u00EDnem A"@cs . . . "62"^^ . . "Vitam\u00EDn A (axeroftol) je v tuc\u00EDch rozpustn\u00FD vitam\u00EDn. Existuje ve dvou p\u0159irozen\u00FDch form\u00E1ch \u2013 vitam\u00EDn A1 (retinol) a vitam\u00EDn A2 (3-dehydroretin).Vitam\u00EDn A je nutn\u00FD pro tvorbu rodopsinu, zrakov\u00E9ho pigmentu pou\u017E\u00EDvan\u00E9ho za n\u00EDzk\u00E9ho osv\u011Btlen\u00ED. Nedostatek vitam\u00EDnu proto vede k \u0161erosleposti. Vitam\u00EDn A je tak\u00E9 d\u016Fle\u017Eit\u00FD antioxidant. Rovn\u011B\u017E je nezbytn\u00FD pro v\u00FDvoj epiteli\u00ED, p\u0159i jeho nedostatku bu\u0148ky rohovat\u00ED (xer\u00F3za). Zdrojem vitaminu A je alfa-karoten, beta-karoten a lykopen, co\u017E jsou oran\u017Eov\u00E1 a \u010Derven\u00E1 barviva.Vitam\u00EDn A vznik\u00E1 z provitam\u00EDnu A, tedy p\u0159edev\u0161\u00EDm z betakarotenu."@cs . . .