{"id":162,"date":"2023-06-18T16:30:00","date_gmt":"2023-06-18T14:30:00","guid":{"rendered":"https:\/\/www.kafone.eu\/cs\/2026\/04\/06\/kofein-zdravi-pruvodce\/"},"modified":"2026-08-27T09:32:17","modified_gmt":"2026-08-27T07:32:17","slug":"kofein-v-kave-pruvodce","status":"publish","type":"post","link":"https:\/\/www.kafone.eu\/cs\/blog\/kofein-v-kave-pruvodce\/","title":{"rendered":"Kofein v k\u00e1v\u011b: jak funguje, kolik ho obsahuje \u0161\u00e1lek a co \u0159\u00edk\u00e1 EFSA o d\u00e1vkov\u00e1n\u00ed"},"content":{"rendered":"
\n
Shrnut\u00ed<\/div>\n

Kofein je p\u0159irozen\u00e1 slo\u017eka k\u00e1vy. Podle Evropsk\u00e9ho \u00fa\u0159adu pro bezpe\u010dnost potravin (EFSA, 2015) nep\u0159edstavuje pro zdrav\u00e9ho dosp\u011bl\u00e9ho bezpe\u010dnostn\u00ed riziko p\u0159\u00edjem do zhruba 400 mg kofeinu denn\u011b (p\u0159ibli\u017en\u011b 3 a\u017e 4 \u0161\u00e1lky b\u011b\u017en\u00e9 k\u00e1vy) rozlo\u017een\u00fd b\u011bhem dne; jednor\u00e1zov\u00e1 d\u00e1vka do 200 mg je pova\u017eov\u00e1na za bezpe\u010dnou. T\u011bhotn\u00e9 a koj\u00edc\u00ed \u017eeny by podle EFSA m\u011bly z\u016fstat maxim\u00e1ln\u011b kolem 200 mg denn\u011b. Kofein se z t\u011bla vylu\u010duje pomalu, a proto jej n\u011bkte\u0159\u00ed lid\u00e9 rad\u011bji v odpoledn\u00edch a ve\u010dern\u00edch hodin\u00e1ch omezuj\u00ed. P\u0159i zdravotn\u00edch obt\u00ed\u017e\u00edch je v\u017edy nam\u00edst\u011b poradit se s l\u00e9ka\u0159em.<\/p>\n<\/div>\n

Kofein je jednou z nejzn\u00e1m\u011bj\u0161\u00edch p\u0159irozen\u011b se vyskytuj\u00edc\u00edch slo\u017eek k\u00e1vy a \u0159ada z n\u00e1s si se \u0161\u00e1lkem k\u00e1vy spojuje sv\u016fj ka\u017edodenn\u00ed rann\u00ed ritu\u00e1l. V tomto \u010dl\u00e1nku se pod\u00edv\u00e1me \u010dist\u011b v\u011bcn\u011b na to, co kofein je, jak se v t\u011ble chov\u00e1, kolik ho b\u011b\u017en\u00fd \u0161\u00e1lek obsahuje a jak\u00e9 mno\u017estv\u00ed pova\u017euj\u00ed odborn\u00e9 instituce za bezpe\u010dn\u00e9.<\/p>\n

Co je kofein a kolik ho k\u00e1va obsahuje<\/h2>\n

Kofein je p\u0159irozen\u00e1 slo\u017eka k\u00e1vov\u00fdch zrn (a tak\u00e9 \u010daje, kakaa \u010di guarany). Je to jedna z nejprozkouman\u011bj\u0161\u00edch l\u00e1tek v potravin\u00e1ch; v tomto \u010dl\u00e1nku se dr\u017e\u00edme \u010dist\u011b jej\u00edho mno\u017estv\u00ed v k\u00e1v\u011b a bezpe\u010dnostn\u00edch limit\u016f podle EFSA.<\/p>\n

Kofein se z t\u011bla vylu\u010duje postupn\u011b. Jeho biologick\u00fd polo\u010das je u pr\u016fm\u011brn\u00e9ho dosp\u011bl\u00e9ho zhruba 3 a\u017e 7 hodin, individu\u00e1ln\u011b se ale v\u00fdrazn\u011b li\u0161\u00ed (a v t\u011bhotenstv\u00ed se prodlu\u017euje). Pokud si d\u00e1te siln\u00e9 dvojit\u00e9 espresso v p\u011bt odpoledne, znateln\u00e1 d\u00e1vka m\u016f\u017ee ve va\u0161\u00ed krvi kolovat je\u0161t\u011b ve\u010der.<\/p>\n

Kolik kofeinu obsahuje \u0161\u00e1lek k\u00e1vy<\/h2>\n

Obsah kofeinu je faktick\u00fd \u00fadaj, kter\u00fd se li\u0161\u00ed podle druhu k\u00e1vy, odr\u016fdy, pra\u017een\u00ed i zp\u016fsobu p\u0159\u00edpravy. Jde o deklaraci mno\u017estv\u00ed l\u00e1tky, nikoli o zdravotn\u00ed tvrzen\u00ed:<\/p>\n

    \n
  • Jedno klasick\u00e9 30 ml espresso (jeden \u201eshot\u201c) obsahuje \u0159\u00e1dov\u011b 40 a\u017e 80 mg kofeinu.<\/li>\n
  • Dvojit\u00e9 espresso a p\u0159ekap\u00e1van\u00e1 (filtrovan\u00e1) k\u00e1va m\u00edvaj\u00ed hodnotu vy\u0161\u0161\u00ed.<\/li>\n
  • Robusta obsahuje zpravidla v\u00edce kofeinu ne\u017e Arabica.<\/li>\n
  • Dekofeinovan\u00e1 k\u00e1va obsahuje jen minimum kofeinu \u2014 podle vyhl\u00e1\u0161ky \u010d. 187\/2023 Sb. nejv\u00fd\u0161e 0,1 % v su\u0161in\u011b u pra\u017een\u00e9 k\u00e1vy a 0,3 % u k\u00e1vov\u00e9ho extraktu.<\/li>\n<\/ul>\n

    D\u00edky t\u011bmto rozd\u00edl\u016fm si m\u016f\u017eete mno\u017estv\u00ed kofeinu ve sv\u00e9 denn\u00ed k\u00e1v\u011b pom\u011brn\u011b dob\u0159e odhadnout a p\u0159izp\u016fsobit vlastn\u00ed chuti i denn\u00ed dob\u011b.<\/p>\n

    Kofein a sp\u00e1nek<\/h2>\n

    Proto\u017ee se kofein z t\u011bla vylu\u010duje pomalu, m\u016f\u017ee u citliv\u011bj\u0161\u00edch lid\u00ed ovlivnit us\u00edn\u00e1n\u00ed a kvalitu sp\u00e1nku, pokud si k\u00e1vu daj\u00ed pozd\u011b odpoledne nebo ve\u010der. Jde o individu\u00e1ln\u00ed z\u00e1le\u017eitost, kter\u00e1 se \u010dlov\u011bk od \u010dlov\u011bka v\u00fdrazn\u011b li\u0161\u00ed. Kdo je na sp\u00e1nek citliv\u00fd, m\u016f\u017ee k\u00e1vu v odpoledn\u00edch a ve\u010dern\u00edch hodin\u00e1ch omezit nebo s\u00e1hnout po dekofeinovan\u00e9 variant\u011b, kter\u00e1 je pro ve\u010der obl\u00edbenou volbou.<\/p>\n

    Individu\u00e1ln\u00ed citlivost a kdy se poradit s l\u00e9ka\u0159em<\/h2>\n

    Vn\u00edmavost na kofein je velmi individu\u00e1ln\u00ed. N\u011bkte\u0159\u00ed lid\u00e9 po k\u00e1v\u011b nala\u010dno poci\u0165uj\u00ed nap\u011bt\u00ed v \u017ealudku nebo neklid, jin\u00ed \u017e\u00e1dn\u00e9 takov\u00e9 projevy nemaj\u00ed. U lid\u00ed, kte\u0159\u00ed pij\u00ed k\u00e1vu pravideln\u011b, se citlivost na kofein m\u011bn\u00ed; po vynech\u00e1n\u00ed se m\u016f\u017ee kr\u00e1tce objevit bolest hlavy nebo \u00fanava.<\/p>\n

    Tento \u010dl\u00e1nek m\u00e1 \u010dist\u011b informativn\u00ed charakter a nenahrazuje odbornou konzultaci. Pokud \u0159e\u0161\u00edte konkr\u00e9tn\u00ed zdravotn\u00ed t\u00e9ma (nap\u0159\u00edklad krevn\u00ed tlak, tr\u00e1vic\u00ed obt\u00ed\u017ee, t\u011bhotenstv\u00ed \u010di kojen\u00ed nebo u\u017e\u00edv\u00e1n\u00ed l\u00e9k\u016f), pora\u010fte se o vhodn\u00e9m mno\u017estv\u00ed kofeinu se sv\u00fdm l\u00e9ka\u0159em.<\/p>\n

    Kolik kofeinu je pova\u017eov\u00e1no za bezpe\u010dn\u00e9<\/h2>\n

    Podle Evropsk\u00e9ho \u00fa\u0159adu pro bezpe\u010dnost potravin (EFSA, 2015) nep\u0159edstavuje pro zdrav\u00e9ho dosp\u011bl\u00e9ho \u010dlov\u011bka bezpe\u010dnostn\u00ed riziko p\u0159\u00edjem do zhruba 400 miligram\u016f kofeinu denn\u011b<\/strong> rozlo\u017een\u00fd b\u011bhem dne, p\u0159i\u010dem\u017e jednor\u00e1zov\u00e1 d\u00e1vka do 200 mg je pova\u017eov\u00e1na za bezpe\u010dnou. Jedno klasick\u00e9 30 ml espresso obsahuje \u0159\u00e1dov\u011b 40 a\u017e 80 mg kofeinu, u dvojit\u00e9ho espressa i p\u0159ekap\u00e1van\u00e9 k\u00e1vy b\u00fdv\u00e1 hodnota vy\u0161\u0161\u00ed, tak\u017ee 3 a\u017e 4 men\u0161\u00ed a\u017e st\u0159edn\u00ed k\u00e1vy denn\u011b se do tohoto r\u00e1mce zpravidla vejdou.<\/p>\n

    T\u011bhotn\u00e9 a koj\u00edc\u00ed \u017eeny by podle EFSA m\u011bly z\u016fstat p\u0159ibli\u017en\u011b na polovin\u011b, tedy maxim\u00e1ln\u011b kolem 200 mg denn\u011b<\/strong> (\u00fadaj zahrnuje ve\u0161ker\u00fd kofein z potravy a n\u00e1poj\u016f, nejen z k\u00e1vy). Konkr\u00e9tn\u00ed vhodn\u00e1 d\u00e1vka je v\u017edy individu\u00e1ln\u00ed a p\u0159i zdravotn\u00edch obt\u00ed\u017e\u00edch nebo v rizikov\u00fdch situac\u00edch je nam\u00edst\u011b poradit se s l\u00e9ka\u0159em.<\/p>\n

    Bezkofeinov\u00e1 k\u00e1va jako alternativa<\/h2>\n

    Pokud chcete chu\u0165 k\u00e1vy i ve\u010der nebo mno\u017estv\u00ed kofeinu jednodu\u0161e omezit, je praktickou volbou dekofeinovan\u00e1 k\u00e1va (obsah kofeinu pod 0,1 %). Nap\u0159\u00edklad metoda Swiss Water pracuje jen s vodou a aktivn\u00edm uhl\u00edm. Senzoricky si dobr\u00e1 bezkofeinov\u00e1 k\u00e1va zachov\u00e1v\u00e1 t\u011blo i aroma, tak\u017ee o sv\u016fj ritu\u00e1l nemus\u00edte p\u0159ij\u00edt.<\/p>\n

    \u010cast\u00e9 dotazy (FAQ)<\/h2>\n

    Kolik kofeinu je v jednom espressu?<\/h3>\n

    Jedno klasick\u00e9 30 ml espresso obsahuje \u0159\u00e1dov\u011b 40 a\u017e 80 mg kofeinu. Dvojit\u00e9 espresso a p\u0159ekap\u00e1van\u00e1 k\u00e1va m\u00edvaj\u00ed hodnotu vy\u0161\u0161\u00ed. P\u0159esn\u00e9 mno\u017estv\u00ed z\u00e1vis\u00ed na odr\u016fd\u011b, pra\u017een\u00ed a p\u0159\u00edprav\u011b.<\/p>\n

    Kolik kofeinu denn\u011b uv\u00e1d\u00ed EFSA jako bezpe\u010dn\u00e9 pro dosp\u011bl\u00e9ho?<\/h3>\n

    EFSA (2015) uv\u00e1d\u00ed, \u017ee pro zdrav\u00e9ho dosp\u011bl\u00e9ho nep\u0159edstavuje bezpe\u010dnostn\u00ed riziko p\u0159\u00edjem do zhruba 400 mg kofeinu denn\u011b rozlo\u017een\u00fd b\u011bhem dne, s jednor\u00e1zovou d\u00e1vkou do 200 mg.<\/p>\n

    Kolik kofeinu se doporu\u010duje v t\u011bhotenstv\u00ed?<\/h3>\n

    Podle EFSA by t\u011bhotn\u00e9 a koj\u00edc\u00ed \u017eeny m\u011bly z\u016fstat maxim\u00e1ln\u011b kolem 200 mg kofeinu denn\u011b z ve\u0161ker\u00fdch zdroj\u016f. Konkr\u00e9tn\u00ed mno\u017estv\u00ed v\u017edy konzultujte se sv\u00fdm l\u00e9ka\u0159em.<\/p>\n

    Obsahuje bezkofeinov\u00e1 k\u00e1va opravdu nulu kofeinu?<\/h3>\n

    Ne. Dekofeinovan\u00e1 k\u00e1va obsahuje jen minimum kofeinu, s obsahem pod 0,1 %. Je to praktick\u00e1 volba, kdy\u017e chcete mno\u017estv\u00ed kofeinu omezit nebo si dop\u0159\u00e1t k\u00e1vu ve\u010der.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Shrnut\u00ed Kofein je p\u0159irozen\u00e1 slo\u017eka k\u00e1vy. Podle Evropsk\u00e9ho \u00fa\u0159adu pro bezpe\u010dnost potravin (EFSA, 2015) nep\u0159edstavuje pro zdrav\u00e9ho dosp\u011bl\u00e9ho bezpe\u010dnostn\u00ed riziko […]<\/p>\n","protected":false},"author":1,"featured_media":161,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[19],"tags":[],"class_list":["post-162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kava-a-kofein"],"_links":{"self":[{"href":"https:\/\/www.kafone.eu\/cs\/wp-json\/wp\/v2\/posts\/162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kafone.eu\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kafone.eu\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kafone.eu\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kafone.eu\/cs\/wp-json\/wp\/v2\/comments?post=162"}],"version-history":[{"count":4,"href":"https:\/\/www.kafone.eu\/cs\/wp-json\/wp\/v2\/posts\/162\/revisions"}],"predecessor-version":[{"id":674,"href":"https:\/\/www.kafone.eu\/cs\/wp-json\/wp\/v2\/posts\/162\/revisions\/674"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kafone.eu\/cs\/wp-json\/wp\/v2\/media\/161"}],"wp:attachment":[{"href":"https:\/\/www.kafone.eu\/cs\/wp-json\/wp\/v2\/media?parent=162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kafone.eu\/cs\/wp-json\/wp\/v2\/categories?post=162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kafone.eu\/cs\/wp-json\/wp\/v2\/tags?post=162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}