[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.prufia.cz\/kava-bez-kofeinu\/#Article","mainEntityOfPage":"https:\/\/www.prufia.cz\/kava-bez-kofeinu\/","headline":"K\u00e1va bez kofeinu","name":"K\u00e1va bez kofeinu","description":"\u0160\u00e1lek dobr\u00e9 k\u00e1vy si r\u00e1da dop\u0159eje asi v\u011bt\u0161ina z n\u00e1s. N\u011bkte\u0159\u00ed vol\u00ed k\u00e1vu bez kofeinu. Nej\u010dast\u011bji ze zdravotn\u00edch d\u016fvod\u016f. A jsou p\u0159esv\u011bd\u010deni o tom, \u017ee je to jejich zdrav\u00ed prosp\u011b\u0161n\u00e9. V\u00ed ale,\u00a0 jak se tato k\u00e1va vyr\u00e1b\u00ed?\u00a0 Jak to bylo v minulosti Prvn\u00ed metodu, jak k\u00e1vu zbavit kofeinu, \u00fadajn\u011b objevil n\u00e1hodn\u011b jeden n\u011bmeck\u00fd obchodn\u00edk za\u010d\u00e1tkem … ","datePublished":"2018-06-07","dateModified":"2023-05-19","author":{"@type":"Person","@id":"https:\/\/www.prufia.cz\/author\/#Person","name":"","url":"https:\/\/www.prufia.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/87007d43bbcef3c87926bba9082d96a1a8da6f7ae55b1546f5f58a5e10d8ed12?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/87007d43bbcef3c87926bba9082d96a1a8da6f7ae55b1546f5f58a5e10d8ed12?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"prufia.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.prufia.cz\/wp-content\/uploads\/img_a322174_w2435_t1533673090.jpg","url":"https:\/\/www.prufia.cz\/wp-content\/uploads\/img_a322174_w2435_t1533673090.jpg","height":0,"width":0},"url":"https:\/\/www.prufia.cz\/kava-bez-kofeinu\/","wordCount":493,"articleBody":"\u0160\u00e1lek dobr\u00e9 k\u00e1vy si r\u00e1da dop\u0159eje asi v\u011bt\u0161ina z n\u00e1s. N\u011bkte\u0159\u00ed vol\u00ed k\u00e1vu bez kofeinu. Nej\u010dast\u011bji ze zdravotn\u00edch d\u016fvod\u016f. A jsou p\u0159esv\u011bd\u010deni o tom, \u017ee je to jejich zdrav\u00ed prosp\u011b\u0161n\u00e9. V\u00ed ale,\u00a0 jak se tato k\u00e1va vyr\u00e1b\u00ed?\u00a0Jak to bylo v minulostiPrvn\u00ed metodu, jak k\u00e1vu zbavit kofeinu, \u00fadajn\u011b objevil n\u00e1hodn\u011b jeden n\u011bmeck\u00fd obchodn\u00edk za\u010d\u00e1tkem dvac\u00e1t\u00e9ho stolet\u00ed. Stalo se, \u017ee jedna dod\u00e1vka jeho k\u00e1vy neobsahovala dostatek kofeinu pot\u00e9, co absolvovala cestu namo\u010dena v mo\u0159sk\u00e9 vod\u011b. Ale je to jen legenda. Faktem je, \u017ee o p\u00e1r let pozd\u011bji byla patentov\u00e1na t\u00edmto obchodn\u00edkem, panem Ludwigem Roseliem, metoda zbavov\u00e1n\u00ed k\u00e1vy kofeinu za pomoci benzenu. Jak bylo pozd\u011bji zji\u0161t\u011bno, je benzen zdrav\u00ed \u0161kodliv\u00fd. A proto\u017ee i pozd\u011bji bylo k dekofeinizaci pou\u017e\u00edv\u00e1no \u0161kodliv\u00fdch chemick\u00fdch l\u00e1tek, z\u00edskala tato k\u00e1va pov\u011bst sp\u00ed\u0161e nebezpe\u010dn\u00e9ho, nezdrav\u00e9ho potravin\u00e1\u0159sk\u00e9ho produktu.\u00a0Metody dekofeinizaceHlavn\u00ed metody, jak zbavit k\u00e1vov\u00e1 zrna kofeinu jsou t\u0159i:–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 za pomoci rozpou\u0161t\u011bc\u00edch roztok\u016f–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 za pomoci kapaln\u00e9ho oxidu uhli\u010dit\u00e9ho–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 za pomoci vody\u00a0U v\u0161ech zp\u016fsob\u016f se pracuje se zelen\u00fdmi nepra\u017een\u00fdmi k\u00e1vov\u00fdmi boby. Ty se napa\u0159uj\u00ed \u010di nam\u00e1\u010d\u00ed po dobu, ne\u017e nabobtnaj\u00ed. Kofein se rozpust\u00ed v tekutin\u011b a odsaje se z n\u00ed. Za nechemick\u00e9, se pova\u017euj\u00ed postupy, kde je v technologii pou\u017e\u00edv\u00e1no vody a oxidu uhli\u010dit\u00e9ho. Technologie, kter\u00e9 pou\u017e\u00edvaj\u00ed rozpou\u0161t\u011bdla pracuj\u00ed se syntetick\u00fdmi chemick\u00fdmi l\u00e1tkami (nap\u0159. methylenchlorid, ethyl \u2013 acet\u00e1t). Postup bez syntetick\u00fdch l\u00e1tek kofein odstra\u0148uje z k\u00e1vy zp\u016fsobem, kter\u00fd neovliv\u0148uje jej\u00ed chu\u0165, aroma. Proto\u017ee je dra\u017e\u0161\u00ed, najdeme ho jen u bezkofeinov\u00e9 k\u00e1vy dra\u017e\u0161\u00edch zna\u010dek.\u00a0Dle odborn\u00edk\u016f je nen\u00ed zdravotn\u011b rizikov\u00e1 k\u00e1va zbavovan\u00e1 kofeinu tzv. nechemick\u00fdmi postupy. Ta upravovan\u00e1 syntetick\u00fdmi chemick\u00fdmi l\u00e1tkami z\u016fst\u00e1v\u00e1 st\u00e1le p\u0159edm\u011btem debat o zdravotn\u00edch rizic\u00edch spojen\u00fdch s jej\u00ed konzumac\u00ed. Z\u016fst\u00e1v\u00e1 v nich st\u00e1le stopov\u00e9 mno\u017estv\u00ed chemik\u00e1li\u00ed. Tvrzen\u00ed n\u011bkter\u00fdch v\u00fdrobc\u016f, \u017ee pou\u017eit\u00e9 l\u00e1tky jsou p\u0159\u00edrodn\u00ed, proto\u017ee se vyskytuj\u00ed i v p\u0159\u00edrod\u011b lze pova\u017eovat za klamavou reklamu. Jedn\u00e1 se o pr\u016fmyslov\u00e9 syntetick\u00e9 l\u00e1tky. Ve vy\u0161\u0161\u00edch d\u00e1vk\u00e1ch nebezpe\u010dn\u00e9 lidsk\u00e9mu zdrav\u00ed.\u00a0Jakou tedy zvolit?Je to dost t\u011b\u017ek\u00fd \u00fakol vybrat si tu \u201ezdravou\u201c! Nejjednodu\u0161\u0161\u00edm \u0159e\u0161en\u00edm m\u016f\u017ee b\u00fdt volba bio produktu. Potraviny v bio kvalit\u011b nesm\u00ed toti\u017e proch\u00e1zet v\u00fdrobou, kde je pou\u017eito chemick\u00fdch slou\u010denin. Volba k\u00e1vy v bio kvalit\u011b by tedy m\u011bla b\u00fdt z\u00e1rukou, \u017ee nebude rizikov\u00e1 pro na\u0161e zdrav\u00ed.                                                                                                                                                                                                                                                                                                                                                                                        4\/5 - (10 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"K\u00e1va bez kofeinu","item":"https:\/\/www.prufia.cz\/kava-bez-kofeinu\/#breadcrumbitem"}]}]