{"id":116380,"date":"2026-09-21T05:24:53","date_gmt":"2026-09-21T03:24:53","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=116380"},"modified":"2026-09-21T05:24:53","modified_gmt":"2026-09-21T03:24:53","slug":"korejsti-vyzkumnici-objevili-zpusob-ktery-vice-nez-zdvojnasobil-vylucovani-nanoplastu-z-tela","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/09\/21\/korejsti-vyzkumnici-objevili-zpusob-ktery-vice-nez-zdvojnasobil-vylucovani-nanoplastu-z-tela\/","title":{"rendered":"Korej\u0161t\u00ed v\u00fdzkumn\u00edci objevili zp\u016fsob, kter\u00fd v\u00edce ne\u017e zdvojn\u00e1sobil vylu\u010dov\u00e1n\u00ed nanoplast\u016f z t\u011bla"},"content":{"rendered":"
<\/div>\n

V\u00fdzkumn\u00edci z jihokorejsk\u00e9ho <\/span>Sv\u011btov\u00e9ho institutu kim\u010di<\/span><\/em> zjistili, \u017ee bakterie ml\u00e9\u010dn\u00e9ho kva\u0161en\u00ed Leuconostoc mesenteroides CBA3656 dok\u00e1\u017ee zachyt\u00e1vat drobn\u00e9 plastov\u00e9 \u010d\u00e1stice ve st\u0159ev\u011b a podporovat jejich vylu\u010dov\u00e1n\u00ed.<\/span><\/strong><\/p>\n

V pokusech na my\u0161\u00edch tento bakteri\u00e1ln\u00ed kmen v\u00edce ne\u017e zdvojn\u00e1sobil mno\u017estv\u00ed nanoplast\u016f vylou\u010den\u00fdch stolic\u00ed. Objev nazna\u010duje, \u017ee mikroorganismy poch\u00e1zej\u00edc\u00ed z fermentovan\u00fdch potravin by mohly pom\u00e1hat omezovat vst\u0159eb\u00e1v\u00e1n\u00ed plastov\u00fdch \u010d\u00e1stic do organismu.<\/span><\/p>\n

Probl\u00e9m s nanoplasty<\/span><\/h2>\n

Nanoplasty jsou mimo\u0159\u00e1dn\u011b drobn\u00e9 plastov\u00e9 \u010d\u00e1stice o velikosti men\u0161\u00ed ne\u017e jeden mikrometr, tedy tis\u00edcina milimetru.<\/span><\/p>\n

Vznikaj\u00ed mimo jin\u00e9 postupn\u00fdm rozpadem v\u011bt\u0161\u00edch plastov\u00fdch materi\u00e1l\u016f a do lidsk\u00e9ho t\u011bla se dost\u00e1vaj\u00ed zejm\u00e9na prost\u0159ednictv\u00edm kontaminovan\u00fdch potravin, pitn\u00e9 vody \u010di soli.<\/span><\/p>\n

Jejich nebezpe\u010d\u00ed spo\u010d\u00edv\u00e1 p\u0159edev\u0161\u00edm v nepatrn\u00fdch rozm\u011brech. Zat\u00edmco v\u011bt\u0161\u00ed plastov\u00e9 \u010d\u00e1stice se z tr\u00e1vic\u00edho traktu p\u0159ev\u00e1\u017en\u011b vylu\u010duj\u00ed, nanoplasty dok\u00e1\u017eou pronikat p\u0159es st\u0159evn\u00ed bari\u00e9ru a dostat se i do dal\u0161\u00edch tk\u00e1n\u00ed a org\u00e1n\u016f v\u010detn\u011b ledvin \u010di mozku.<\/span><\/p>\n

Experiment\u00e1ln\u00ed v\u00fdzkum spojuje vystaven\u00ed nanoplast\u016fm s naru\u0161en\u00edm st\u0159evn\u00ed mikrobioty, z\u00e1n\u011btliv\u00fdmi procesy a metabolick\u00fdmi poruchami. Rozsah jejich dlouhodob\u00fdch zdravotn\u00edch \u00fa\u010dink\u016f u lid\u00ed v\u0161ak je\u0161t\u011b nen\u00ed dostate\u010dn\u011b prozkoum\u00e1n.<\/span><\/p>\n

Mo\u017enosti, jak biologickou cestou omezit vst\u0159eb\u00e1v\u00e1n\u00ed nanoplast\u016f v tr\u00e1vic\u00edm traktu, z\u016fst\u00e1vaj\u00ed zat\u00edm jen v po\u010d\u00e1te\u010dn\u00edch st\u00e1di\u00edch v\u00fdzkumu.<\/span><\/p>\n

Laboratorn\u00ed n\u00e1lezy<\/span><\/h2>\n

V\u00fdzkumn\u00fd t\u00fdm pod veden\u00edm Dr. Se Hee Lee a Dr. Tae Woong Whona zkoumal schopnost bakterie Leuconostoc mesenteroides CBA3656 zachycovat polystyrenov\u00e9 nanoplasty v r\u016fzn\u00fdch podm\u00ednk\u00e1ch.<\/span><\/p>\n

V b\u011b\u017en\u00e9m laboratorn\u00edm prost\u0159ed\u00ed dok\u00e1zal zkouman\u00fd kmen zachytit a\u017e 87 % nanoplast\u016f, co\u017e bylo srovnateln\u00e9 s v\u00fdsledkem referen\u010dn\u00edho bakteri\u00e1ln\u00edho kmene.<\/span><\/p>\n

Rozhoduj\u00edc\u00ed rozd\u00edl se uk\u00e1zal a\u017e p\u0159i simulaci podm\u00ednek lidsk\u00e9ho st\u0159eva.<\/span><\/p>\n

Zat\u00edmco \u00fa\u010dinnost referen\u010dn\u00edho kmene klesla na p\u0159ibli\u017en\u011b 3 %, bakterie izolovan\u00e1 z kim\u010di si zachovala schopnost zachytit a\u017e 57 % nanoplast\u016f.<\/span><\/p>\n

V\u00fdsledek nazna\u010duje, \u017ee bakterie by dok\u00e1zala zachyt\u00e1vat plastov\u00e9 \u010d\u00e1stice i ve st\u0159ev\u011b a omezovat jejich vst\u0159eb\u00e1v\u00e1n\u00ed.<\/span><\/p>\n

Pokusy na my\u0161\u00edch odhalily v\u00edce ne\u017e dvojn\u00e1sobn\u00e9 vylu\u010dov\u00e1n\u00ed<\/span><\/h2>\n

V\u011bdci n\u00e1sledn\u011b ov\u011b\u0159ovali \u00fa\u010dinky bakterie na bezmikrobn\u00edch my\u0161\u00edch, tedy zv\u00ed\u0159atech bez vlastn\u00ed st\u0159evn\u00ed mikrobioty.<\/span><\/p>\n

V\u00fdsledky byly pozoruhodn\u00e9. Samci i samice, kter\u00fdm v\u00fdzkumn\u00edci podali zkouman\u00fd bakteri\u00e1ln\u00ed kmen, vylou\u010dili stolic\u00ed v\u00edce ne\u017e dvojn\u00e1sobn\u00e9 mno\u017estv\u00ed nanoplast\u016f v porovn\u00e1n\u00ed s kontroln\u00ed skupinou.<\/span><\/p>\n

Zji\u0161t\u011bn\u00ed podporuj\u00ed p\u0159edpoklad, \u017ee bakterie zachycuj\u00ed nanoplasty v tr\u00e1vic\u00edm traktu a napom\u00e1haj\u00ed jejich odchodu z organismu p\u0159irozenou cestou.<\/span><\/p>\n

Experiment v\u0161ak nesledoval odstra\u0148ov\u00e1n\u00ed nanoplast\u016f, kter\u00e9 ji\u017e pronikly do org\u00e1n\u016f. Zat\u00edm tedy nelze tvrdit, \u017ee bakterie dok\u00e1\u017ee t\u011blo zbavit d\u0159\u00edve nahromad\u011bn\u00fdch plast\u016f.<\/span><\/p>\n

Most mezi tradic\u00ed a v\u011bdou<\/span><\/h2>\n

Kim\u010di je ji\u017e stalet\u00ed ned\u00edlnou sou\u010d\u00e1st\u00ed korejsk\u00e9 kuchyn\u011b. Tato fermentovan\u00e1 zelenina, nej\u010dast\u011bji zel\u00ed, obsahuje mno\u017estv\u00ed mikroorganism\u016f, kter\u00e9 se mno\u017e\u00ed b\u011bhem ml\u00e9\u010dn\u00e9ho kva\u0161en\u00ed.<\/span><\/p>\n

Pr\u00e1v\u011b z kim\u010di poch\u00e1z\u00ed i zkouman\u00fd kmen Leuconostoc mesenteroides CBA3656.<\/span><\/p>\n

Je v\u0161ak d\u016fle\u017eit\u00e9 rozli\u0161ovat mezi samotn\u00fdm pokrmem a konkr\u00e9tn\u00ed bakteri\u00ed. V\u011bdci testovali izolovan\u00fd bakteri\u00e1ln\u00ed kmen, nikoli \u00fa\u010dinky konzumace kim\u010di. B\u011b\u017en\u00e9 fermentovan\u00e9 potraviny nav\u00edc obsahuj\u00ed r\u016fzn\u00e9 druhy a mno\u017estv\u00ed mikroorganism\u016f, tak\u017ee zat\u00edm nen\u00ed zn\u00e1mo, zda by j\u00eddlo kim\u010di p\u0159ineslo stejn\u00e9 v\u00fdsledky.<\/span><\/p>\n

V\u00fdhodou zkouman\u00e9 bakterie je jej\u00ed p\u016fvod z potravin\u00e1\u0159sk\u00e9ho prost\u0159ed\u00ed. Na rozd\u00edl od n\u011bkter\u00fdch mikroorganism\u016f zkouman\u00fdch na zachyt\u00e1v\u00e1n\u00ed plast\u016f, nap\u0159\u00edklad ur\u010dit\u00fdch druh\u016f rodu Acinetobacter, pat\u0159\u00ed k bakteri\u00edm p\u0159irozen\u011b se vyskytuj\u00edc\u00edm ve fermentovan\u00fdch potravin\u00e1ch. Bezpe\u010dnost jej\u00edho p\u0159\u00edpadn\u00e9ho vyu\u017eit\u00ed je v\u0161ak t\u0159eba posuzovat zvl\u00e1\u0161\u0165.<\/span><\/p>\n

Vedouc\u00ed v\u00fdzkumnice Dr. Se Hee Leeov\u00e1 pouk\u00e1zala na to, \u017ee zne\u010di\u0161t\u011bn\u00ed plasty u\u017e nen\u00ed jen probl\u00e9mem \u017eivotn\u00edho prost\u0159ed\u00ed, ale st\u00e1le v\u00edce i ve\u0159ejn\u00e9ho zdrav\u00ed. Mikroorganismy z tradi\u010dn\u00edch fermentovan\u00fdch potravin by podle n\u00ed mohly p\u0159in\u00e9st nov\u00fd biologick\u00fd p\u0159\u00edstup k \u0159e\u0161en\u00ed t\u00e9to z\u00e1t\u011b\u017ee.<\/span><\/p>\n

Studie byla publikov\u00e1na ve v\u011bdeck\u00e9m \u010dasopise <\/span>Bioresource Technology<\/span><\/em> .<\/span><\/p>\n

Nov\u00e1 kapitola ve v\u00fdzkumu probiotik<\/span><\/h2>\n

V\u00fdsledky navazuj\u00ed na p\u0159edchoz\u00ed poznatky o schopnostech mikroorganism\u016f poch\u00e1zej\u00edc\u00edch z fermentovan\u00fdch potravin.<\/span><\/p>\n

Star\u0161\u00ed v\u00fdzkumy nap\u0159\u00edklad uk\u00e1zaly, \u017ee n\u011bkter\u00e9 bakterie izolovan\u00e9 z kim\u010di dok\u00e1\u017eou rozkl\u00e1dat bisfenol A, chemickou l\u00e1tku pou\u017e\u00edvanou p\u0159i v\u00fdrob\u011b ur\u010dit\u00fdch plast\u016f, kter\u00e1 je zn\u00e1m\u00e1 sv\u00fdmi \u00fa\u010dinky na hormon\u00e1ln\u00ed syst\u00e9m.<\/span><\/p>\n

Tentokr\u00e1t se v\u011bdci m\u00edsto rozkladu chemick\u00fdch l\u00e1tek zam\u011b\u0159ili na zachyt\u00e1v\u00e1n\u00ed samotn\u00fdch plastov\u00fdch \u010d\u00e1stic a jejich n\u00e1sledn\u00e9 vylu\u010dov\u00e1n\u00ed.<\/span><\/p>\n

Je\u0161t\u011b v\u0161ak pot\u0159ebuj\u00ed ov\u011b\u0159it, zda bakterie dosahuje podobn\u00fdch v\u00fdsledk\u016f iv p\u0159\u00edtomnosti p\u0159irozen\u00e9 st\u0159evn\u00ed mikrobioty a zda dok\u00e1\u017ee omezit vst\u0159eb\u00e1v\u00e1n\u00ed nanoplast\u016f iu lid\u00ed.<\/span><\/p>\n

Pokud se tyto \u00fa\u010dinky potvrd\u00ed iu lid\u00ed, konkr\u00e9tn\u00ed bakteri\u00e1ln\u00ed kmeny z fermentovan\u00fdch potravin by se mohly st\u00e1t z\u00e1kladem p\u0159\u00edpravk\u016f, kter\u00e9 pomohou omezit pronik\u00e1n\u00ed plastov\u00fdch \u010d\u00e1stic z tr\u00e1vic\u00edho traktu do organismu.<\/span><\/p>\n

Autor: Wilow Tohi, Zdroj: <\/span>naturalnews.com<\/span><\/a><\/p>\n

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

V\u00fdzkumn\u00edci z jihokorejsk\u00e9ho Sv\u011btov\u00e9ho institutu kim\u010di zjistili, \u017ee bakterie ml\u00e9\u010dn\u00e9ho kva\u0161en\u00ed Leuconostoc mesenteroides CBA3656 dok\u00e1\u017ee…<\/p>\n","protected":false},"author":2,"featured_media":116381,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[11684,1561,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/116380"}],"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=116380"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/116380\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/116381"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=116380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=116380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=116380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}