Studie publikovan\u00e1 Univerzitou Johnse Hopkinse zkoumala, co se d\u011bje s t\u011blem, kdy\u017e pijete k\u00e1vu bez cukru.<\/p>\n\n\n\n
Studie proveden\u00e1 na Univerzit\u011b Johnse Hopkinse a publikovan\u00e1 v \u010dasopise Nature Neuroscience analyzovala \u00fa\u010dinky konzumace \u010dern\u00e9 k\u00e1vy na t\u011blo.<\/p>\n\n\n\n
V\u011bdci objevili sign\u00e1ly spojuj\u00edc\u00ed tento n\u00e1poj s mechanismy ochrany bun\u011bk a zm\u011bnami v nervov\u00e9 aktivit\u011b. D\u016fkazy nazna\u010duj\u00ed, \u017ee m\u00e1 \u00fa\u010dinky nad r\u00e1mec jednoduch\u00e9 stimulace poskytovan\u00e9 kofeinem.<\/p>\n\n\n\n
Co se d\u011bje s t\u011blem, kdy\u017e pijete k\u00e1vu bez cukru?<\/p>\n\n\n\n
V\u011bdci zjistili specifick\u00e9 \u00fa\u010dinky v hipokampu, oblasti mozku spojen\u00e9 s pam\u011bt\u00ed a u\u010den\u00edm. Podle studi\u00ed pravideln\u00e1 konzumace neslazen\u00e9 k\u00e1vy posiluje spojen\u00ed mezi neurony a m\u016f\u017ee zlep\u0161it kognitivn\u00ed v\u00fdkon, pokud je konzumov\u00e1na s m\u00edrou. Tyto zm\u011bny mohou zlep\u0161it rozsah pozornosti a konsolidaci pam\u011bti.<\/p>\n\n\n\n
Z metabolick\u00e9ho hlediska studie poukazuje na dva mechanismy, kter\u00fdmi m\u016f\u017ee neslazen\u00e1 k\u00e1va pomoci s regulac\u00ed hmotnosti: zv\u00fd\u0161en\u00e1 termogeneze a vy\u0161\u0161\u00ed baz\u00e1ln\u00ed metabolismus. Zv\u00fd\u0161en\u00edm energetick\u00e9ho v\u00fddeje a urychlen\u00edm zpracov\u00e1n\u00ed \u017eivin m\u016f\u017ee k\u00e1va v kombinaci s dietou a cvi\u010den\u00edm p\u0159isp\u00edvat k \u00fabytku hmotnosti.<\/p>\n\n\n\n
V\u00fdhody a rizika konzumace k\u00e1vy podle odborn\u00edk\u016f
K\u00e1vov\u00e1 zrna obsahuj\u00ed koncentrovan\u00e9 antioxidanty, kter\u00e9 sni\u017euj\u00ed oxida\u010dn\u00ed po\u0161kozen\u00ed a pom\u00e1haj\u00ed chr\u00e1nit tk\u00e1n\u011b. Studie tak\u00e9 nazna\u010duje ochrann\u00fd \u00fa\u010dinek na krevn\u00ed ob\u011bh: m\u00edrn\u00e1 konzumace je spojena s ni\u017e\u0161\u00edm rizikem ucp\u00e1n\u00ed tepen a srde\u010dn\u00edch probl\u00e9m\u016f. Tyto vlastnosti \u010din\u00ed z \u010dern\u00e9 k\u00e1vy potenci\u00e1ln\u00edho spojence pro udr\u017een\u00ed zdrav\u00ed c\u00e9v, uv\u00e1d\u011bj\u00ed auto\u0159i.<\/p>\n\n\n\n
M\u00e9n\u011b zn\u00e1m\u00fd poznatek poukazuje na p\u0159\u00ednosy pro zdrav\u00ed \u00fastn\u00ed dutiny: neslazen\u00e1 k\u00e1va m\u016f\u017ee pomoci sn\u00ed\u017eit r\u016fst bakteri\u00ed zodpov\u011bdn\u00fdch za zubn\u00ed kaz. Odborn\u00edci v\u0161ak varuj\u00ed, \u017ee p\u0159id\u00e1n\u00ed cukru nebo um\u011bl\u00fdch sladidel tento \u00fa\u010dinek p\u016fsob\u00ed proti a p\u0159isp\u00edv\u00e1 k erozi skloviny, tak\u017ee kl\u00ed\u010dem je p\u00edt ji bez p\u0159idan\u00e9ho cukru.<\/p>\n\n\n\n
Auto\u0159i zd\u016fraz\u0148uj\u00ed, \u017ee p\u0159\u00ednosy jsou viditeln\u00e9 p\u0159i m\u00edrn\u00e9 konzumaci a jsou opatrn\u00ed p\u0159ed nadm\u011brnou konzumac\u00ed kofeinu. Kvalita a forma k\u00e1vy (mlet\u00e1 nebo instantn\u00ed) nav\u00edc m\u016f\u017ee zm\u011bnit jej\u00ed chemick\u00e9 slo\u017een\u00ed a n\u00e1sledn\u011b i jej\u00ed \u00fa\u010dinky. Proto doporu\u010duj\u00ed up\u0159ednost\u0148ovat rozmanitost p\u016fvodu a tradi\u010dn\u00ed p\u0159\u00edpravu k\u00e1vy, kdykoli je to mo\u017en\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"Studie publikovan\u00e1 Univerzitou Johnse Hopkinse zkoumala, co se d\u011bje s t\u011blem, kdy\u017e pijete k\u00e1vu bez cukru. Studie proveden\u00e1 na Univerzit\u011b Johnse Hopkinse a \n [...]<\/a>","protected":false},"author":1,"featured_media":1473,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/posts\/1472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1472"}],"version-history":[{"count":1,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/posts\/1472\/revisions"}],"predecessor-version":[{"id":1474,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/posts\/1472\/revisions\/1474"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=\/wp\/v2\/media\/1473"}],"wp:attachment":[{"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fakt24.biz.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}