{"id":109281,"date":"2026-06-25T00:20:05","date_gmt":"2026-06-24T22:20:05","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=109281"},"modified":"2026-06-24T08:15:35","modified_gmt":"2026-06-24T06:15:35","slug":"vedci-objevili-seminka-ktera-ze-vsech-potravin-nejvice-snizuji-vysoky-krevni-tlak","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/06\/25\/vedci-objevili-seminka-ktera-ze-vsech-potravin-nejvice-snizuji-vysoky-krevni-tlak\/","title":{"rendered":"V\u011bdci objevili sem\u00ednka, kter\u00e1 ze v\u0161ech potravin nejv\u00edce sni\u017euj\u00ed vysok\u00fd krevn\u00ed tlak"},"content":{"rendered":"
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Vysok\u00fd krevn\u00ed tlak pat\u0159\u00ed mezi nej\u010dast\u011bj\u0161\u00ed zdravotn\u00ed probl\u00e9my dosp\u011bl\u00fdch a zvy\u0161uje riziko srde\u010dn\u00edch a c\u00e9vn\u00edch onemocn\u011bn\u00ed, v\u010detn\u011b srde\u010dn\u00edch infarkt\u016f, c\u00e9vn\u00edch mozkov\u00fdch p\u0159\u00edhod, ateroskler\u00f3zy, demence, po\u0161kozen\u00ed zraku, metabolick\u00e9ho syndromu \u010di selh\u00e1n\u00ed ledvin.<\/span><\/strong><\/p>\n

V dob\u011b, kdy velk\u00e9 farmaceutick\u00e9 spole\u010dnosti protla\u010duj\u00ed drah\u00e9 syntetick\u00e9 l\u00e9ky t\u00e9m\u011b\u0159 na ka\u017ed\u00fd zdravotn\u00ed probl\u00e9m, si jednoduch\u00e1 a po stalet\u00ed vyu\u017e\u00edvan\u00e1 ln\u011bn\u00e1 sem\u00ednka z\u00edsk\u00e1vaj\u00ed pozornost pro sv\u016fj potenci\u00e1l p\u0159irozen\u011b podporovat zdrav\u00fd krevn\u00ed tlak.<\/span><\/p>\n

Tato drobn\u00e1 zlato-hn\u011bd\u00e1 sem\u00ednka se p\u011bstuj\u00ed ji\u017e tis\u00edce let a dnes se pova\u017euj\u00ed za jednu z nejzaj\u00edmav\u011bj\u0161\u00edch p\u0159\u00edrodn\u00edch potravin na podporu zdrav\u00ed srdce a c\u00e9v.<\/span><\/p>\n

Vl\u00e1knina ve ln\u011bn\u00fdch sem\u00ednk\u00e1ch a krevn\u00ed tlak<\/span><\/h2>\n

Ln\u011bn\u00e1 sem\u00ednka obsahuj\u00ed rozpustnou i nerozpustnou vl\u00e1kninu. Ta podporuje zdrav\u00fd krevn\u00ed tlak n\u011bkolika zp\u016fsoby – pom\u00e1h\u00e1 udr\u017eovat p\u0159\u00edznivou hladinu cholesterolu, p\u0159isp\u00edv\u00e1 ke stabiln\u011bj\u0161\u00ed hladin\u011b cukru v krvi a podporuje spr\u00e1vn\u00e9 fungov\u00e1n\u00ed tr\u00e1vic\u00edho syst\u00e9mu.<\/span><\/p>\n

Zaj\u00edmav\u00e9 je, \u017ee p\u0159\u00edzniv\u00e9 \u00fa\u010dinky na krevn\u00ed tlak byly pozorov\u00e1ny iu ln\u011bn\u00e9ho oleje, kter\u00fd neobsahuje vl\u00e1kninu.<\/span><\/p>\n

Nazna\u010duje to, \u017ee za \u00fa\u010dinky lnu nestoj\u00ed pouze jedna l\u00e1tka, ale kombinace v\u00edce p\u0159irozen\u011b se vyskytuj\u00edc\u00edch slo\u017eek.<\/span><\/p>\n

Na tento fakt upozor\u0148uje tak\u00e9 dietolo\u017eka Gena Hamshawov\u00e1 z nemocnice Mount Sinai v New Yorku. Podle n\u00ed to nazna\u010duje, \u017ee ln\u011bn\u00e1 sem\u00ednka obsahuj\u00ed n\u011bkolik synergicky p\u016fsob\u00edc\u00edch prosp\u011b\u0161n\u00fdch l\u00e1tek.<\/span><\/p>\n

Mal\u00e9 sem\u00ednko pln\u00e9 cenn\u00fdch rostlinn\u00fdch l\u00e1tek<\/span><\/h2>\n

Ln\u011bn\u00e1 sem\u00ednka obsahuj\u00ed fytoestrogeny, fytosteroly a lignany \u2013 p\u0159irozen\u011b se vyskytuj\u00edc\u00ed rostlinn\u00e9 slou\u010deniny s protiz\u00e1n\u011btliv\u00fdmi vlastnostmi.<\/span><\/p>\n

V\u00fdzkumy spojuj\u00ed fytoestrogeny s ni\u017e\u0161\u00edm rizikem osteopor\u00f3zy, n\u011bkter\u00fdch druh\u016f rakoviny a srde\u010dn\u00edch onemocn\u011bn\u00ed. Fytosteroly jsou zase p\u0159edm\u011btem v\u00fdzkumu pro jejich potenci\u00e1ln\u00ed ochrann\u00e9 \u00fa\u010dinky p\u0159ed vysok\u00fdm cholesterolem.<\/span><\/p>\n

Lignany p\u016fsob\u00ed p\u0159\u00edzniv\u011b na mu\u017esk\u00e9 i \u017eensk\u00e9 hormony, ochranu c\u00e9v, krevn\u00ed tlak, regulaci krevn\u00edho cukru a jsou siln\u011b anioxida\u010dn\u00ed a protiz\u00e1n\u011btliv\u00e9.<\/span><\/p>\n

D\u016fle\u017eitou slo\u017ekou ln\u011bn\u00fdch sem\u00ednek je tak\u00e9 kyselina alfa-linolenov\u00e1 (ALA), rostlinn\u00e1 forma\u00a0<\/span>omega-3 mastn\u00fdch kyselin<\/span><\/a>\u00a0. Ty jsou zn\u00e1m\u00e9 sv\u00fdmi protiz\u00e1n\u011btliv\u00fdmi \u00fa\u010dinky.<\/span><\/p>\n

\u201eOmega-3 mastn\u00e9 kyseliny pom\u00e1haj\u00ed udr\u017eovat ni\u017e\u0161\u00ed \u00farove\u0148 z\u00e1n\u011btu v organismu, p\u0159i\u010dem\u017e z\u00e1n\u011bt p\u0159edstavuje v\u00fdznamn\u00fd rizikov\u00fd faktor pro zdrav\u00ed srdce,\u201c<\/span><\/em>\u00a0vysv\u011btlila Dana Hunnes, odbornice na v\u00fd\u017eivu z UCLA.<\/span><\/p>\n

Chronick\u00fd z\u00e1n\u011bt se poj\u00ed s mnoha civiliza\u010dn\u00edmi onemocn\u011bn\u00edmi v\u010detn\u011b srde\u010dn\u011b-c\u00e9vn\u00edch chorob, cukrovky \u010di n\u011bkter\u00fdch autoimunitn\u00edch onemocn\u011bn\u00ed. Potraviny bohat\u00e9 na omega-3 mastn\u00e9 kyseliny proto mohou b\u00fdt u\u017eite\u010dnou sou\u010d\u00e1st\u00ed zdrav\u00e9 \u017eivotospr\u00e1vy.<\/span><\/p>\n

Pro\u010d jsou mlet\u00e1 ln\u011bn\u00e1 sem\u00ednka lep\u0161\u00ed volbou<\/span><\/h2>\n

P\u0159i konzumaci ln\u011bn\u00fdch sem\u00ednek z\u00e1le\u017e\u00ed tak\u00e9 na jejich form\u011b. Cel\u00e1 sem\u00ednka toti\u017e mohou tr\u00e1vic\u00edm traktem proj\u00edt bez v\u00fdrazn\u011bj\u0161\u00edho naru\u0161en\u00ed, tak\u017ee organismus nedok\u00e1\u017ee vyu\u017e\u00edt v\u0161ech jejich \u017eivin.<\/span><\/p>\n

„Cel\u00e1 ln\u011bn\u00e1 sem\u00ednka mohou proj\u00edt tr\u00e1vic\u00edm syst\u00e9mem nestr\u00e1ven\u00e1, av takov\u00e9m p\u0159\u00edpad\u011b se jejich prosp\u011b\u0161n\u00e9 mastn\u00e9 kyseliny a fytonutrienty nevst\u0159ebaj\u00ed. Mlet\u00e1 ln\u011bn\u00e1 sem\u00ednka jsou naopak lehce straviteln\u00e1,“<\/span><\/em> uvedla Hamshawov\u00e1.<\/span><\/p>\n

Pr\u00e1v\u011b proto odborn\u00edci \u010dasto doporu\u010duj\u00ed sem\u00ednka p\u0159ed konzumac\u00ed poml\u00edt nebo kupovat ji\u017e pomletou ln\u011bnou mou\u010dku.<\/span><\/p>\n

Hunnes dopl\u0148uje:\u00a0<\/span>„Pemlet\u00edm se naru\u0161\u00ed slupka sem\u00ednka a uvoln\u00ed se zdrav\u00e9 oleje. Pokud se sem\u00ednka konzumuj\u00ed cel\u00e1, jejich obal z\u016fst\u00e1v\u00e1 neporu\u0161en\u00fd a oleje se neuvoln\u00ed v takov\u00e9 m\u00ed\u0159e.“<\/span><\/em><\/p>\n

Kolik ln\u011bn\u00fdch sem\u00ednek denn\u011b?<\/span><\/h2>\n

V\u00fdzkumy nazna\u010duj\u00ed, \u017ee p\u0159\u00edzniv\u00e9 \u00fa\u010dinky na krevn\u00ed tlak byly pozorov\u00e1ny p\u0159i denn\u00ed konzumaci p\u0159ibli\u017en\u011b 30 a\u017e 50 gram\u016f mlet\u00fdch ln\u011bn\u00fdch sem\u00ednek, co\u017e odpov\u00edd\u00e1 p\u0159ibli\u017en\u011b dv\u011bma a\u017e t\u0159em pol\u00e9vkov\u00fdm l\u017e\u00edc\u00edm.<\/span><\/p>\n

Rozs\u00e1hl\u00e1 anal\u00fdza jeden\u00e1cti studi\u00ed zjistila, \u017ee za\u0159azen\u00ed ln\u011bn\u00fdch v\u00fdrobk\u016f do j\u00eddeln\u00ed\u010dku bylo spojeno se sn\u00ed\u017een\u00edm hodnot krevn\u00edho tlaku.<\/span><\/p>\n

V jedn\u00e9 ze studi\u00ed lid\u00e9, kte\u0159\u00ed b\u011bhem \u0161esti m\u011bs\u00edc\u016f konzumovali 30 gram\u016f mlet\u00fdch ln\u011bn\u00fdch sem\u00ednek denn\u011b, zaznamenali pokles systolick\u00e9ho tlaku p\u0159ibli\u017en\u011b o 10 mmHg a diastolick\u00e9ho tlaku p\u0159ibli\u017en\u011b o 7 mmHg.<\/span><\/p>\n

\u0160lo o jednu z nejv\u00fdrazn\u011bj\u0161\u00edch zm\u011bn zaznamenan\u00fdch u jak\u00e9koli potraviny. Auto\u0159i studie proto ozna\u010dili ln\u011bn\u00e1 sem\u00ednka za jeden z nej\u00fa\u010dinn\u011bj\u0161\u00edch potravinov\u00fdch z\u00e1sah\u016f zkouman\u00fdch p\u0159i vysok\u00e9m krevn\u00edm tlaku. Odborn\u00edci v\u0161ak upozor\u0148uj\u00ed, \u017ee v\u00fdsledky se mohou v\u00fdrazn\u011b li\u0161it mezi jednotlivci.<\/span><\/p>\n

\u201eJe d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee mno\u017estv\u00ed ln\u011bn\u00fdch sem\u00ednek pot\u0159ebn\u00e9 k dosa\u017een\u00ed \u00fa\u010dinku z\u00e1vis\u00ed na n\u011bkolika faktorech, v\u010detn\u011b p\u016fvodn\u00ed v\u00fd\u0161e krevn\u00edho tlaku, u\u017e\u00edvan\u00fdch l\u00e9k\u016f \u010di rodinn\u00e9 anamn\u00e9zy,\u201c<\/span><\/em>\u00a0upozornila Hamshawov\u00e1.<\/span><\/p>\n

Jak ln\u011bn\u00e1 sem\u00ednka spr\u00e1vn\u011b skladovat<\/span><\/h2>\n

Mlet\u00e1 ln\u011bn\u00e1 sem\u00ednka obsahuj\u00ed velk\u00e9 mno\u017estv\u00ed nenasycen\u00fdch mastn\u00fdch kyselin, kter\u00e9 pom\u011brn\u011b rychle oxiduj\u00ed. Proto p\u0159i jejich skladov\u00e1n\u00ed dodr\u017eujte tato praktick\u00e1 doporu\u010den\u00ed:<\/span><\/p>\n