[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.ebiotop.cz\/kyselina-listova-a-jeji-ucinky\/#Article","mainEntityOfPage":"https:\/\/www.ebiotop.cz\/kyselina-listova-a-jeji-ucinky\/","headline":"Kyselina listov\u00e1 a jej\u00ed \u00fa\u010dinky","name":"Kyselina listov\u00e1 a jej\u00ed \u00fa\u010dinky","description":"Ozna\u010den\u00ed \u201ckyselina listov\u00e1\u201d se vztahuje pouze na synteticky vyroben\u00fd vitamin. P\u0159irozen\u011b se vyskytuj\u00edc\u00ed vitamin B9 je ozna\u010dov\u00e1n jako fol\u00e1t. L\u00e1tka…","datePublished":"2019-02-09","dateModified":"2023-04-30","author":{"@type":"Person","@id":"https:\/\/www.ebiotop.cz\/author\/#Person","name":"","url":"https:\/\/www.ebiotop.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/fb50772173929303fbe6024f179e4dd9837c71f6efc661bdb046860d442d05b5?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/fb50772173929303fbe6024f179e4dd9837c71f6efc661bdb046860d442d05b5?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"ebiotop.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.ebiotop.cz\/wp-content\/uploads\/img_a341873_w2457_t1554792226.jpg","url":"https:\/\/www.ebiotop.cz\/wp-content\/uploads\/img_a341873_w2457_t1554792226.jpg","height":0,"width":0},"url":"https:\/\/www.ebiotop.cz\/kyselina-listova-a-jeji-ucinky\/","wordCount":539,"articleBody":"\t\tOzna\u010den\u00ed \u201ckyselina listov\u00e1\u201d se vztahuje pouze na synteticky vyroben\u00fd vitamin. P\u0159irozen\u011b se vyskytuj\u00edc\u00ed vitamin B9 je ozna\u010dov\u00e1n jako fol\u00e1t. L\u00e1tka je rozpustn\u00e1 ve vod\u011b a pro n\u00e1\u0161 \u017eivot nezbytn\u00e1, co\u017e znamen\u00e1, \u017ee mus\u00ed b\u00fdt u\u017e\u00edv\u00e1na s j\u00eddlem, proto\u017ee t\u011blem nem\u016f\u017ee b\u00fdt produkov\u00e1na. P\u0159edev\u0161\u00edm v\u0161ak je zodpov\u011bdn\u00e1 za novou tvorbu bun\u011bk, tj. rozd\u011blen\u00ed bun\u011bk a r\u016fst, co\u017e tak\u00e9 ukazuje d\u016fle\u017eitost spr\u00e1vn\u00e9ho d\u00e1vkov\u00e1n\u00ed b\u011bhem prvn\u00edch m\u011bs\u00edc\u016f t\u011bhotenstv\u00ed. Dostate\u010dn\u00fd p\u0159\u00edjem B9 v prvn\u00edch m\u011bs\u00edc\u00edch t\u011bhotenstv\u00ed zabra\u0148uje malformaci nenarozen\u00e9ho d\u00edt\u011bte.\t\tCo zp\u016fsob\u00ed nedostatek t\u00e9to l\u00e1tky?\t\tNejhor\u0161\u00ed \u00fa\u010dinky nedostate\u010dn\u00e9ho p\u0159\u00edjmu kyseliny listov\u00e9 se projevuj\u00ed u d\u011bt\u00ed, kter\u00e9 se narodily se z\u00e1va\u017en\u00fdmi vrozen\u00fdmi vadami. Dosp\u011bl\u00ed mohou tak\u00e9 trp\u011bt nedostatkem kyseliny listov\u00e9, nap\u0159\u00edklad kv\u016fli onemocn\u011bn\u00ed st\u0159ev, nadm\u011brn\u00e9 konzumaci alkoholu, \u0161patn\u00e9 strav\u011b nebo p\u0159\u00edjmu n\u011bkter\u00fdch l\u00e9k\u016f, jako jsou antikoncep\u010dn\u00ed pilulky. P\u0159i strav\u011b, kter\u00e1 neposkytuje dostatek B9, m\u016f\u017ee t\u011blo vyrovnat schodek asi a\u017e za t\u0159i a\u017e \u010dty\u0159i m\u011bs\u00edce.\t\tNe\u017e\u00e1douc\u00ed \u00fa\u010dinky p\u0159ed\u00e1vkov\u00e1n\u00ed\t\tK popisu ne\u017e\u00e1douc\u00edch \u00fa\u010dink\u016f p\u0159ed\u00e1vkov\u00e1n\u00edm je t\u0159eba jasn\u011b rozli\u0161it mezi syntetick\u00fdm vitam\u00ednem B9 a p\u0159irozen\u011b se vyskytuj\u00edc\u00edm fol\u00e1tem v potravin\u00e1ch.\t\tNicm\u00e9n\u011b nadm\u011brn\u00fd p\u0159\u00edjem kyseliny listov\u00e9 skrze potravinov\u00e9 dopl\u0148ky nebo l\u00e9ky m\u016f\u017ee v\u00e9st k v\u00e1\u017en\u00e9mu a nevratn\u00e9mu po\u0161kozen\u00ed nerv\u016f. P\u0159edpokl\u00e1d\u00e1 se, \u017ee nadm\u011brn\u00fd p\u0159\u00edjem m\u016f\u017ee podpo\u0159it rakovinu. Z t\u011bchto d\u016fvod\u016f Evropsk\u00fd \u00fa\u0159ad pro bezpe\u010dnost potravin (EFSA) stanovil horn\u00ed mez pro p\u0159\u00edjem kyseliny listov\u00e9 v miligramech na 1000 mikrogram\u016f denn\u011b.\t\tDenn\u00ed po\u017eadavek na fol\u00e1t se doporu\u010duje p\u0159i d\u00e1vce 300 mikrogram\u016f pro dosp\u011bl\u00e9. T\u011bhotn\u00e9 a koj\u00edc\u00ed \u017eeny maj\u00ed zv\u00fd\u0161enou pot\u0159ebu 550 nebo 450 mikrogram\u016f denn\u011b.\t\tN\u011bkter\u00e9 potraviny, jako nap\u0159\u00edklad cere\u00e1lie (ty\u010dinky, obiloviny), stoln\u00ed s\u016fl, n\u00e1poje nebo ml\u00e9\u010dn\u00e9 v\u00fdrobky, jsou obohaceny o syntetickou formu vitam\u00ednu.\t\tKter\u00e9 potraviny obsahuj\u00ed B9?\t\tVitam\u00edn B9 se p\u0159irozen\u011b vyskytuje pouze jako fol\u00e1t v potravin\u00e1ch. V z\u00e1sad\u011b existuj\u00ed rozd\u00edly v tom, jak dob\u0159e t\u011blo m\u016f\u017ee vyu\u017e\u00edvat tento p\u0159\u00edrodn\u00ed ekvivalent kyseliny listov\u00e9. Bylo prok\u00e1z\u00e1no, \u017ee syntetick\u00e1 varianta m\u016f\u017ee b\u00fdt recyklov\u00e1na na 100 procent, p\u0159\u00edrodn\u00ed varianta v potravin\u00e1ch jen asi z poloviny.\tVzhledem k tomu, \u017ee fol\u00e1t je rozpustn\u00fd ve vod\u011b a citliv\u00fd na teplo, je vhodn\u00e9 opl\u00e1chnout zeleninu bohatou na tento vitamin (zelen\u00e1 listov\u00e1 zelenina, jako je sal\u00e1t, \u0161pen\u00e1t, zel\u00ed, petr\u017eel, \u0159e\u0159icha, lu\u0161t\u011bniny, raj\u010data) bez jak\u00e9hokoliv naru\u0161en\u00ed celistvosti a pokud mo\u017eno konzumovat v syrov\u00e9m stavu, tak z\u00edsk\u00e1te maxim\u00e1ln\u00ed mno\u017estv\u00ed l\u00e1tky. V z\u00e1sad\u011b by denn\u00ed strava m\u011bla obsahovat 400 gram\u016f zeleniny a 250 gram\u016f ovoce, z nich\u017e alespo\u0148 polovina je syrov\u00e1.                                                                                                                                                                                                                                                                                                                                                                                        4.4\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Kyselina listov\u00e1 a jej\u00ed \u00fa\u010dinky","item":"https:\/\/www.ebiotop.cz\/kyselina-listova-a-jeji-ucinky\/#breadcrumbitem"}]}]