{"id":77353,"date":"2025-04-26T06:08:27","date_gmt":"2025-04-26T04:08:27","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=77353"},"modified":"2025-04-26T06:08:27","modified_gmt":"2025-04-26T04:08:27","slug":"kava-obsahuje-silne-antioxidanty-chranici-srdce-a-mozek-zalezi-vsak-na-puvodu-a-zpusobu-pripravy-kavy","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/04\/26\/kava-obsahuje-silne-antioxidanty-chranici-srdce-a-mozek-zalezi-vsak-na-puvodu-a-zpusobu-pripravy-kavy\/","title":{"rendered":"K\u00e1va obsahuje siln\u00e9 antioxidanty chr\u00e1n\u00edc\u00ed srdce a mozek. Z\u00e1le\u017e\u00ed v\u0161ak na p\u016fvodu a zp\u016fsobu p\u0159\u00edpravy k\u00e1vy"},"content":{"rendered":"
<\/div>\n

P\u0159edstavte si, \u017ee za\u010d\u00edn\u00e1te sv\u016fj den \u0161\u00e1lkem hork\u00e9 k\u00e1vy, a to nejen pro jej\u00ed bohatou, v\u00fdraznou chu\u0165 a p\u0159\u00edsun energie, ale tak\u00e9 pro jej\u00ed v\u00fdznamn\u00e9 zdravotn\u00ed p\u0159\u00ednosy.<\/strong><\/p>\n

Krom\u011b kofeinu je k\u00e1va bohatou z\u00e1sob\u00e1rnou antioxidant\u016f, kter\u00e9 hraj\u00ed kl\u00ed\u010dovou roli p\u0159i ochran\u011b va\u0161eho t\u011bla p\u0159ed ka\u017edodenn\u00edmi stresory.<\/span><\/p>\n

Tito p\u0159irozen\u00ed ochr\u00e1nci, v\u010detn\u011b polyfenol\u016f a chlorogenov\u00fdch kyselin, ne\u00fanavn\u011b pracuj\u00ed na neutralizaci \u0161kodliv\u00fdch voln\u00fdch radik\u00e1l\u016f, \u010d\u00edm\u017e podporuj\u00ed v\u0161e od zdrav\u00ed srdce a\u017e po kognitivn\u00ed funkce mozku.<\/span><\/p>\n

Poj\u010fme se nyn\u00ed bl\u00ed\u017ee pod\u00edvat na v\u011bdu zab\u00fdvaj\u00edc\u00ed se k\u00e1vov\u00fdmi antioxidanty, jak tyto slou\u010deniny funguj\u00ed a pro\u010d jsou d\u016fle\u017eit\u00e9 pro va\u0161e zdrav\u00ed.<\/span><\/p>\n

Co d\u011blaj\u00ed antioxidanty v k\u00e1v\u011b?<\/span><\/h2>\n

Antioxidanty k\u00e1vy, zejm\u00e9na polyfenoly a chlorogenov\u00e9 kyseliny, jsou v pop\u0159ed\u00ed zdravotn\u00edch p\u0159\u00ednos\u016f tohoto n\u00e1poje.<\/span><\/p>\n

Uveden\u00e9 slou\u010deniny pom\u00e1haj\u00ed neutralizovat voln\u00e9 radik\u00e1ly, co\u017e jsou nestabiln\u00ed molekuly, kter\u00e9 mohou zp\u016fsobovat po\u0161kozen\u00ed bun\u011bk. T\u00edm podporuj\u00ed zdrav\u00ed srdce, funkci mozku a metabolick\u00e9 procesy.<\/span><\/p>\n

Studie nazna\u010duj\u00ed, \u017ee chlorogenov\u00e9 kyseliny tak\u00e9 podporuj\u00ed zdravou funkci krevn\u00edch c\u00e9v, co\u017e je kl\u00ed\u010dov\u00e9 pro kardiovaskul\u00e1rn\u00ed zdrav\u00ed. Krom\u011b toho polyfenoly v k\u00e1v\u011b ovliv\u0148uj\u00ed zdrav\u00ed st\u0159ev prost\u0159ednictv\u00edm podpory prosp\u011b\u0161n\u00fdch bakteri\u00ed.<\/span><\/p>\n

Poka\u017ed\u00e9, kdy\u017e pop\u00edj\u00edte rann\u00ed k\u00e1vu, nejen\u017ee dostanete novou energii, ale dod\u00e1te sv\u00e9mu t\u011blu tak\u00e9 d\u00e1vku ochrann\u00fdch l\u00e1tek, kter\u00e9 podporuj\u00ed dlouhodob\u00e9 zdrav\u00ed.<\/span><\/p>\n

V\u00fdzkum nap\u0159\u00edklad uk\u00e1zal, \u017ee chlorogenov\u00e9 kyseliny, jedny z prim\u00e1rn\u00edch antioxidant\u016f v k\u00e1v\u011b, pom\u00e1haj\u00ed regulovat hladinu cukru v krvi, co\u017e je obzvl\u00e1\u0161t\u011b prosp\u011b\u0161n\u00e9 pro jedince s\u00a0<\/span>cukrovkou<\/span><\/a>\u00a0nebo pro ty, kte\u0159\u00ed maj\u00ed na cukrovku n\u00e1b\u011bh.<\/span><\/p>\n

Chlorogenov\u00e9 kyseliny zpomaluj\u00ed vst\u0159eb\u00e1v\u00e1n\u00ed gluk\u00f3zy ve st\u0159evech, \u010d\u00edm\u017e zabra\u0148uj\u00ed prudk\u00fdm n\u00e1r\u016fst\u016fm hladiny cukru v krvi.<\/span><\/p>\n

Krom\u011b toho se polyfenoly v k\u00e1v\u011b spojuj\u00ed se zlep\u0161en\u00fdmi kognitivn\u00edmi funkcemi a sn\u00ed\u017een\u00fdm rizikem neurodegenerativn\u00edch onemocn\u011bn\u00ed, jako jsou Alzheimerova a Parkinsonova choroba. Tyto slou\u010deniny toti\u017e pom\u00e1haj\u00ed chr\u00e1nit mozkov\u00e9 bu\u0148ky p\u0159ed oxida\u010dn\u00edm stresem, kter\u00fd je kl\u00ed\u010dov\u00fdm faktorem p\u0159i vzniku t\u011bchto stav\u016f.<\/span><\/p>\n

V\u011bda za antioxidanty<\/span><\/h2>\n

Antioxidanty d\u011blaj\u00ed v\u00edc, ne\u017e jen bojuj\u00ed s voln\u00fdmi radik\u00e1ly \u2013 hraj\u00ed d\u016fle\u017eitou roli p\u0159i ochran\u011b va\u0161ich bun\u011bk.<\/span><\/p>\n

Oxida\u010dn\u00ed stres nast\u00e1v\u00e1, kdy\u017e po\u010det voln\u00fdch radik\u00e1l\u016f ve va\u0161em t\u011ble p\u0159evy\u0161uje antioxidanty, co\u017e vede k po\u0161kozen\u00ed bun\u011bk, b\u00edlkovin a dokonce i DNA. V pr\u016fb\u011bhu \u010dasu to m\u016f\u017ee ovlivnit zdrav\u00ed srdce, funkci mozku a dal\u0161\u00ed d\u016fle\u017eit\u00e9 procesy.<\/span><\/p>\n

Va\u0161e t\u011blo p\u0159irozen\u011b produkuje antioxidanty, p\u0159i\u010dem\u017e strava sehr\u00e1v\u00e1 v\u00fdznamnou roli p\u0159i udr\u017eov\u00e1n\u00ed rovnov\u00e1hy. Tady p\u0159ich\u00e1z\u00ed k\u00e1va poskytuj\u00edc\u00ed bohat\u00fd zdroj antioxidant\u016f, kter\u00e9 pom\u00e1haj\u00ed neutralizovat voln\u00e9 radik\u00e1ly a podporuj\u00ed bun\u011b\u010dn\u00e9 zdrav\u00ed.<\/span><\/p>\n

Mechanismus fungov\u00e1n\u00ed antioxidant\u016f je takov\u00fd, \u017ee daruj\u00ed elektrony voln\u00fdm radik\u00e1l\u016fm, stabilizuj\u00ed je a minimalizuj\u00ed tak potenci\u00e1ln\u00ed po\u0161kozen\u00ed, kter\u00e1 by reaktivn\u00ed radik\u00e1ly mohly zp\u016fsobit.<\/span><\/p>\n

Jeliko\u017e k\u00e1va je pro mnoh\u00e9 lidi hlavn\u00edm zdrojem antioxidant\u016f, jej\u00ed pravideln\u00e9 pit\u00ed m\u016f\u017ee pomoci pos\u00edlit obrann\u00fd syst\u00e9m va\u0161eho t\u011bla.<\/span><\/p>\n

Nap\u0159\u00edklad studie publikovan\u00e1 v odborn\u00e9m \u010dasopise\u00a0<\/span>Journal of Agricultural and Food Chemistry<\/span><\/em>\u00a0zjistila, \u017ee konzumace k\u00e1vy je spojena se sn\u00ed\u017een\u00fdm rizikem jatern\u00edho onemocn\u011bn\u00ed, pravd\u011bpodobn\u011b kv\u016fli vysok\u00fdm hladin\u00e1m antioxidant\u016f, kter\u00e9 poskytuje.<\/span><\/p>\n

Prosp\u011b\u0161n\u00e9 vlastnosti kofeinu<\/span><\/h2>\n

Kofein, a\u010dkoli nen\u00ed tak \u00fa\u010dinn\u00fd jako k\u00e1vov\u00e9 polyfenoly, tak\u00e9 p\u0159isp\u00edv\u00e1 k antioxida\u010dn\u00ed aktivit\u011b k\u00e1vy.<\/span><\/p>\n

V\u00fdzkum nazna\u010duje, \u017ee kofein pom\u00e1h\u00e1 neutralizovat voln\u00e9 radik\u00e1ly a podporuje zdrav\u00ed mozku a srdce. P\u016fsob\u00ed spolu s dal\u0161\u00edmi antioxidanty v k\u00e1v\u011b a zvy\u0161uje jejich \u00fa\u010dinky. Tak\u017ee, kdy\u017e pijete sv\u016fj ka\u017edodenn\u00ed \u0161\u00e1lek, nejen\u017ee v\u00e1s kofein povzbud\u00ed, ale podpo\u0159\u00ed i bun\u011b\u010dnou ochranu.<\/span><\/p>\n

Studie v \u010dasopise\u00a0<\/span>European Journal of Nutrition<\/span><\/em>\u00a0zd\u016fraznila, \u017ee antioxida\u010dn\u00ed vlastnosti kofeinu pom\u00e1haj\u00ed sni\u017eovat riziko kardiovaskul\u00e1rn\u00edch onemocn\u011bn\u00ed prost\u0159ednictv\u00edm zlep\u0161en\u00ed pr\u016ftoku krve a sn\u00ed\u017een\u00ed z\u00e1n\u011btu.<\/span><\/p>\n

Kter\u00e1 k\u00e1va m\u00e1 nejvy\u0161\u0161\u00ed hladiny antioxidant\u016f?<\/span><\/h2>\n

Ne ka\u017ed\u00e1 k\u00e1va poskytuje stejn\u00e9 mno\u017estv\u00ed antioxidant\u016f. Faktory jako \u00farove\u0148 pra\u017een\u00ed, zp\u016fsob va\u0159en\u00ed a p\u016fvod k\u00e1vov\u00fdch zrn ovliv\u0148uj\u00ed, kolik antioxidant\u016f skon\u010d\u00ed ve va\u0161em \u0161\u00e1lku.<\/span><\/p>\n

Pochopen\u00ed t\u011bchto rozd\u00edl\u016f v\u00e1m m\u016f\u017ee pomoci vybrat nejlep\u0161\u00ed k\u00e1vu z hlediska obsahu antioxidant\u016f.<\/span><\/p>\n

Sv\u011btl\u00e9 versus tmav\u00e9 pra\u017een\u00ed v\u00fdrazn\u011b ovliv\u0148uje obsah antioxidant\u016f v k\u00e1v\u011b. Sv\u011btle pra\u017een\u00e1 k\u00e1va obvykle obsahuje vy\u0161\u0161\u00ed hladiny k\u00e1vov\u00fdch polyfenol\u016f a chlorogenov\u00fdch kyselin ve srovn\u00e1n\u00ed s tmav\u011b pra\u017eenou k\u00e1vou.<\/span><\/p>\n

P\u0159i del\u0161\u00edm pra\u017een\u00ed se toti\u017e n\u011bkter\u00e9 z t\u011bchto slou\u010denin rozkl\u00e1daj\u00ed. Tmav\u011b pra\u017een\u00e9 k\u00e1vy st\u00e1le poskytuj\u00ed antioxidanty, ale maj\u00ed tendenci m\u00edt ni\u017e\u0161\u00ed koncentrace ur\u010dit\u00fdch prosp\u011b\u0161n\u00fdch slou\u010denin.<\/span><\/p>\n

Na druh\u00e9 stran\u011b, pra\u017een\u00edm vznikaj\u00ed i jedine\u010dn\u00e9 antioxidanty, jako jsou melanoidiny. Tyto slou\u010deniny poskytuj\u00ed sv\u00e9 vlastn\u00ed zdravotn\u00ed p\u0159\u00ednosy, ale jejich v\u00fdzkum st\u00e1le prob\u00edh\u00e1.<\/span><\/p>\n

Nejlep\u0161\u00ed metody va\u0159en\u00ed pro maximalizaci obsahu antioxidant\u016f<\/span><\/h2>\n

Zp\u016fsob, jak\u00fdm p\u0159ipravujete k\u00e1vu, tak\u00e9 ovliv\u0148uje jej\u00ed hladiny antioxidant\u016f. Studie ukazuj\u00ed, \u017ee metody va\u0159en\u00ed s del\u0161\u00edm \u010dasem extrakce, jako jsou francouzsk\u00fd lis, espresso \u010di klasick\u00fd slovensk\u00fd \u201eturek\u201c, poskytuj\u00ed vy\u0161\u0161\u00ed koncentrace antioxidant\u016f.<\/span><\/p>\n

Je to proto, \u017ee \u010d\u00edm d\u00e9le z\u016fstane k\u00e1vov\u00e1 usazenina v kontaktu s vodou, t\u00edm v\u00edce prosp\u011b\u0161n\u00fdch slou\u010denin se uvoln\u00ed.<\/span><\/p>\n

\u201eCold brew\u201c neboli studen\u00e9 va\u0159en\u00ed (vyluhov\u00e1n\u00ed k\u00e1vy ve studen\u00e9 vod\u011b po dlouhou dobu) je dal\u0161\u00ed skv\u011blou mo\u017enost\u00ed, jak maximalizovat obsah antioxidant\u016f, proto\u017ee zachov\u00e1v\u00e1 v\u00edce chlorogenov\u00fdch kyselin ne\u017e hork\u00e9 va\u0159en\u00ed, zejm\u00e9na p\u0159i pou\u017eit\u00ed sv\u011btle vypra\u017een\u00e9 k\u00e1vy.<\/span><\/p>\n

Na druh\u00e9 stran\u011b instantn\u00ed k\u00e1va m\u00e1 kv\u016fli zpracov\u00e1n\u00ed tendenci m\u00edt m\u00e9n\u011b antioxidant\u016f. Chcete-li z k\u00e1vy vyt\u011b\u017eit maximum, rozhodn\u011bte se pro metody \u010derstv\u00e9ho va\u0159en\u00ed, kter\u00e9 umo\u017e\u0148uj\u00ed \u00faplnou extrakci.<\/span><\/p>\n

D\u016fle\u017eit\u00fd je p\u016fvod k\u00e1vov\u00fdch zrn<\/span><\/h2>\n

M\u00edsto p\u011bstov\u00e1n\u00ed k\u00e1vy ovliv\u0148uje tak\u00e9 jej\u00ed obsah antioxidant\u016f. K\u00e1va z vysokohorsk\u00fdch oblast\u00ed \u010dasto obsahuje vy\u0161\u0161\u00ed hladiny antioxidant\u016f, proto\u017ee drsn\u011bj\u0161\u00ed podm\u00ednky p\u011bstov\u00e1n\u00ed podporuj\u00ed rostliny, aby produkovaly v\u00edce ochrann\u00fdch slou\u010denin.<\/span><\/p>\n

Mezi zem\u011b zn\u00e1m\u00e9 k\u00e1vou bohatou na antioxidanty pat\u0159\u00ed Etiopie, Kolumbie a Ke\u0148a.<\/span><\/p>\n

V\u00fdzkum srovn\u00e1vaj\u00edc\u00ed k\u00e1vy arabica z Austr\u00e1lie, Kolumbie, Etiopie a Peru zjistil, \u017ee kolumbijsk\u00e1 k\u00e1va m\u00e1 nejvy\u0161\u0161\u00ed celkov\u00fd obsah fenol\u016f (TPC) a nejsiln\u011bj\u0161\u00ed antioxida\u010dn\u00ed potenci\u00e1l.<\/span><\/p>\n

Studie identifikovala 136 bioaktivn\u00edch slou\u010denin v\u010detn\u011b chlorogenov\u00fdch kyselin, flavonoid\u016f a deriv\u00e1t\u016f kyseliny chinov\u00e9, kter\u00e9 podporuj\u00ed bun\u011b\u010dnou ochranu. Vzhledem k t\u011bmto zji\u0161t\u011bn\u00edm kolumbijsk\u00e1 k\u00e1va vynik\u00e1 vzhledem k bohatosti antioxidant\u016f.<\/span><\/p>\n

Svou roli hraje i slo\u017een\u00ed p\u016fdy a klima. N\u011bkter\u00e9 regiony p\u0159irozen\u011b produkuj\u00ed k\u00e1vu s vy\u0161\u0161\u00edmi koncentracemi polyfenol\u016f a chlorogenov\u00fdch kyselin. V\u00fdb\u011br k\u00e1vy z t\u011bchto oblast\u00ed v\u00e1m m\u016f\u017ee pomoci z\u00edskat nejv\u00edce antioxidant\u016f v ka\u017ed\u00e9m \u0161\u00e1lku.<\/span><\/p>\n

Nap\u0159\u00edklad studie publikovan\u00e1 v \u010dasopise\u00a0<\/span>Journal of Food Science<\/span><\/em>\u00a0zjistila, \u017ee k\u00e1vov\u00e1 zrna p\u011bstovan\u00e1 ve vulkanick\u00e9 p\u016fd\u011b, jako jsou ty z Havaje, maj\u00ed vy\u0161\u0161\u00ed hladinu antioxidant\u016f d\u00edky bohat\u00e9mu obsahu miner\u00e1l\u016f v p\u016fd\u011b.<\/span><\/p>\n

Z\u00e1v\u011br<\/span><\/h2>\n

I kdy\u017e v\u00e1\u0161 rann\u00ed n\u00e1poj m\u016f\u017ee podpo\u0159it obrann\u00fd syst\u00e9m va\u0161eho t\u011bla, je to jen jeden kousek skl\u00e1da\u010dky. Vyv\u00e1\u017een\u00e1 strava, pravideln\u00e9 cvi\u010den\u00ed a kvalitn\u00ed sp\u00e1nek \u2013 to v\u0161e hraje roli v dlouhodob\u00e9m zdrav\u00ed.<\/span><\/p>\n

Tak\u017ee do toho, vychutnejte si \u0161\u00e1lek k\u00e1vy bohat\u00e9 na antioxidanty. A c\u00ed\u0165te se dob\u0159e s v\u011bdom\u00edm, \u017ee m\u00e1 sv\u00e9 pevn\u00e9 m\u00edsto ve va\u0161em zdrav\u00e9m \u017eivotn\u00edm stylu.<\/span><\/p>\n

Autor: Lance D. Johnson, Zdroj:\u00a0<\/span>naturalnews.com<\/span><\/a><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

P\u0159edstavte si, \u017ee za\u010d\u00edn\u00e1te sv\u016fj den \u0161\u00e1lkem hork\u00e9 k\u00e1vy, a to nejen pro jej\u00ed bohatou,…<\/p>\n","protected":false},"author":2,"featured_media":77354,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[8994,6691,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/77353"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=77353"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/77353\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/77354"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=77353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=77353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=77353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}