{"id":94330,"date":"2021-05-21T17:48:40","date_gmt":"2021-05-21T15:48:40","guid":{"rendered":"https:\/\/nugosu.gg\/kofein-najpopularnejsi-prirodny-stimulant-na-svete\/"},"modified":"2021-05-21T21:20:33","modified_gmt":"2021-05-21T19:20:33","slug":"kofein-najpopularnejsi-prirodny-stimulant-na-svete","status":"publish","type":"post","link":"https:\/\/nugosu.gg\/cs\/kofein-najpopularnejsi-prirodny-stimulant-na-svete\/","title":{"rendered":"Kofein – Nejpopul\u00e1rn\u011bj\u0161\u00ed p\u0159\u00edrodn\u00ed stimulant na sv\u011bt\u011b"},"content":{"rendered":"

[vc_row][vc_column width=“1\/1″][vc_column_text text_lead=“yes“]Mnoho gamer\u016f hled\u00e1 ve snaze zlep\u0161it sv\u016fj v\u00fdkon stimulanty, kter\u00e9 ho <\/span>nabij\u00ed energi\u00ed. <\/b>Nej\u010dast\u011bji je to k\u00e1va, nealkoholick\u00e9 a energetick\u00e9 n\u00e1poje, \u010daj nebo tablety. V\u0161echny tyto produkty maj\u00ed spole\u010dn\u00fd stimulant – <\/span>kofein.<\/b><\/span><\/p>\n

Co je to kofein?<\/b><\/span><\/h2>\n

Kofein je <\/span>nejv\u00edce konzumovan\u00fdm nootropikum na sv\u011bt\u011b.<\/b> Nootropika ovliv\u0148uj\u00ed n\u00e1\u0161 centr\u00e1ln\u00ed nervov\u00fd syst\u00e9m a mozek. Pom\u00e1haj\u00ed n\u00e1m s <\/span>koncentrac\u00ed, bd\u011blost\u00ed, u\u010den\u00edm, motivac\u00ed a pam\u011bt\u00ed. <\/b>N\u011bkter\u00e9 nootropika ovliv\u0148uj\u00ed na\u0161e neurotransmitery, jin\u00e9 zvy\u0161uj\u00ed pr\u016ftok krve a hladinu \u017eivin do mozku, a dal\u0161\u00ed n\u00e1s ochra\u0148uj\u00ed p\u0159ed \u00fa\u010dinky toxin\u016f a voln\u00fdch radik\u00e1l\u016f. <\/span>Nejv\u00fdrazn\u011bj\u0161\u00edm \u00fa\u010dinkem kofeinu na organismus \u010dlov\u011bka je sn\u00ed\u017een\u00ed \u00fanavy, zv\u00fd\u0161en\u00ed bd\u011blosti, energie a koncentrace. <\/b>P\u0159irozen\u011b ho najdeme v <\/span>k\u00e1v\u011b, \u010dajov\u00e9m l\u00edstku, kakaov\u00fdch bobech a kolov\u00e9m o\u0159echu.<\/b><\/span> Znamen\u00e1 to, \u017ee pokud r\u00e1no za\u010d\u00edn\u00e1\u0161 \u0161\u00e1lkem k\u00e1vy nebo \u010dajem, u\u017e\u00edv\u00e1\u0161 nootropikum ani\u017e by sis to uv\u011bdomoval. <\/span><\/span>[1],<\/span>[2]<\/span><\/em><\/span><\/p>\n

Jak \u00fa\u010dinkuje kofein na na\u0161e t\u011blo?<\/b><\/h2>\n

Kofein se vst\u0159eb\u00e1v\u00e1 ze st\u0159eva do krevn\u00edho ob\u011bhu v pr\u016fb\u011bhu p\u0159ibli\u017en\u011b 30-45 minut po konzumaci. Hlavn\u00ed \u00fa\u010dinek kofeinu je pr\u00e1v\u011b na mozek. <\/b>P\u0159ed span\u00edm a v dob\u011b, kdy jsme unaven\u00ed, vytv\u00e1\u0159\u00ed n\u00e1\u0161 mozek l\u00e1tku adenosin,<\/b> kter\u00e1 se v\u00e1\u017ee na receptory mozkov\u00fdch bun\u011bk. Tato l\u00e1tka zpomaluje centr\u00e1ln\u00ed nervovou soustavu a podporuje sp\u00e1nek. Kofein dok\u00e1\u017ee tyto receptory adenosinu zablokovat,<\/b> d\u00edky \u010demu\u017e se c\u00edt\u00edme m\u00e9n\u011b unaven\u00ed. <\/b>N\u00e1sledn\u011b v t\u011ble doch\u00e1z\u00ed k r\u016fstu produkce dopaminu,<\/b> kter\u00fd se spojuje zejm\u00e9na s<\/b> dobr\u00fdm pocitem a motivac\u00ed.<\/b> Dopamin tak dok\u00e1\u017ee ovlivnit na\u0161e ment\u00e1ln\u00ed, emo\u010dn\u00ed a fyzick\u00e9 schopnosti a projevy. Kofein je tak\u00e9 bohat\u00fd na antioxidanty,<\/b> kter\u00e9 bojuj\u00ed proti po\u0161kozen\u00ed p\u016fsoben\u00edm voln\u00fdch radik\u00e1l\u016f. Tento p\u0159\u00edrodn\u00ed stimulant se b\u011b\u017en\u011b vyskytuje v l\u00e9c\u00edch pro l\u00e9\u010dbu bolesti hlavy, migr\u00e9n a ospalosti. <\/span>[1],[3]<\/span><\/em><\/span><\/p>\n

Studie nazna\u010duj\u00ed,<\/b> \u017ee v\u011bt\u0161ina lid\u00ed bezpe\u010dn\u011b toleruje asi 400 miligram\u016f kofeinu denn\u011b. <\/b>Ale tato l\u00e1tka m\u016f\u017ee na n\u011bkter\u00e9 lidi p\u016fsobit jinak, ne\u017e na ostatn\u00ed. Z\u00e1le\u017e\u00ed na tom, zda jste pravideln\u00fdm nebo p\u0159\u00edle\u017eitostn\u00fdm konzument\u016fm kofeinu. Extr\u00e9mn\u00ed mno\u017estv\u00ed kofeinu nemus\u00ed b\u00fdt bezpe\u010dn\u00e9. V ide\u00e1ln\u00edm p\u0159\u00edpad\u011b je vhodn\u00e9 u\u017e\u00edvat p\u0159ibli\u017en\u011b 200 miligram\u016f kofeinu denn\u011b. <\/b>Ve velk\u00fdch d\u00e1vk\u00e1ch je kofein spojov\u00e1n s \u00fazkost\u00ed, z\u00e1vislost\u00ed, neklidem a probl\u00e9my se sp\u00e1nkem. Dnes konzumuje kofeinov\u00fd produkt ka\u017ed\u00fd den 80% populace<\/b> a v Severn\u00ed Americe toto \u010d\u00edslo stoup\u00e1 a\u017e na 90%. <\/span>[7],[8],[9]<\/span><\/em><\/span><\/p>\n

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Caffeine<\/figcaption><\/figure>\n

K\u00e1va<\/b><\/span><\/h3>\n

K\u00e1va je jedn\u00edm z <\/span>nejobl\u00edben\u011bj\u0161\u00edch n\u00e1poj\u016f na sv\u011bt\u011b. \u00dadajn\u011b ji objevil etiopsk\u00fd past\u00fd\u0159, kter\u00fd si v\u0161iml, \u017ee jeho kozy maj\u00ed po sn\u011bden\u00ed ur\u010dit\u00fdch bobul\u00ed mimo\u0159\u00e1dnou energii. Jej\u00ed pou\u017eit\u00ed se roz\u0161\u00ed\u0159ilo v Sa\u00fadsk\u00e9 Ar\u00e1bii p\u0159ibli\u017en\u011b v 14-15. stolet\u00ed. K\u00e1va byla v Ar\u00e1bii v\u011bt\u0161inou n\u00e1pojem vy\u0161\u0161\u00ed t\u0159\u00eddy no a v Evrop\u011b byla a\u017e do ned\u00e1vn\u00e9 doby relativn\u011b luxusem.<\/span> Do Evropy se k\u00e1vovn\u00edk dostal po\u010d\u00e1tkem <\/span>17. stolet\u00ed a Nizozemsko se stalo hlavn\u00edm dodavatelem k\u00e1vy na tomto \u00fazem\u00ed. <\/span>Dnes odborn\u00edci odhaduj\u00ed, \u017ee lid\u00e9 konzumuj\u00ed okolo 2,25 miliardy \u0161\u00e1lk\u016f k\u00e1vy denn\u011b. <\/b>[10],[11],[12]<\/span><\/em><\/span><\/p>\n

Fakta o k\u00e1v\u011b<\/b><\/span><\/h4>\n