{"id":387389,"date":"2026-10-01T17:56:39","date_gmt":"2026-10-01T16:56:39","guid":{"rendered":"https:\/\/zakrasnejsivimperk.cz\/?p=387389"},"modified":"2026-10-01T18:02:08","modified_gmt":"2026-10-01T17:02:08","slug":"aktualne-i-plisen-kterou-nevidime-muze-kontaminovat-potraviny-rakovinotvornymi-aflatoxiny","status":"publish","type":"post","link":"https:\/\/zakrasnejsivimperk.cz\/?p=387389","title":{"rendered":"AKTU\u00c1LN\u011a: I pl\u00edse\u0148, kterou nevid\u00edme, m\u016f\u017ee kontaminovat potraviny rakovinotvorn\u00fdmi aflatoxiny"},"content":{"rendered":"<h6><b>P\u0159\u00edtomnost pl\u00edsn\u00ed na potravin\u00e1ch v\u011bt\u0161inou vn\u00edm\u00e1me p\u0159edev\u0161\u00edm jako senzorick\u00fd \u010di estetick\u00fd probl\u00e9m. To podstatn\u00e9 ale je, \u017ee pl\u00edsn\u011b mohou znamenat i v\u00fdznamn\u00e9, \u010dasto pouh\u00fdm okem zcela neviditeln\u00e9 zdravotn\u00ed riziko. Jejich p\u016fsoben\u00edm mohou vznikat toxick\u00e9 i rakovinotvorn\u00e9 l\u00e1tky. Pokud jsme schopni pl\u00edse\u0148 sami odhalit, nikdy plesniv\u00e9 potraviny nekonzumujme a rozhodn\u011b nesta\u010d\u00ed odstranit zasa\u017eenou \u010d\u00e1st pokrmu. V\u00fdznamnou \u00falohu v ochran\u011b zdrav\u00ed p\u0159ed pl\u00edsn\u011bmi a jejich produkty v potravin\u00e1ch pak sehr\u00e1v\u00e1 Syst\u00e9m rychl\u00e9ho varov\u00e1n\u00ed pro potraviny a krmiva (RASFF).<\/b><\/h6>\n<div><\/div>\n<div><i>\u201eMnoz\u00ed z n\u00e1s za\u017eili situaci, kdy n\u011bkdo v dom\u00e1cnosti odkrojil plesnivou \u010d\u00e1st potraviny a zbytek bez obav zkonzumoval nebo pou\u017eil k va\u0159en\u00ed s p\u0159esv\u011bd\u010den\u00edm, \u017ee var p\u0159\u00edpadn\u00e9 z\u00e1rodky zni\u010d\u00ed. Jde o z\u00e1sadn\u00ed omyl. Teplo sice dok\u00e1\u017ee usmrtit samotn\u00e9 mikroskopick\u00e9 houby, ale toxick\u00e9 l\u00e1tky ozna\u010dovan\u00e9 jako mykotoxiny, p\u016fsoben\u00ed tepla nijak neznehodnot\u00ed. Viditeln\u00fd plesniv\u00fd povlak na povrchu p\u0159edstavuje pouhou \u0161pi\u010dku ledovce, pod n\u00edm se nach\u00e1z\u00ed neviditeln\u00e1 s\u00ed\u0165 vl\u00e1ken, kter\u00e1 pror\u016fst\u00e1 hluboko do potraviny. Zejm\u00e9na v potravin\u00e1ch s vy\u0161\u0161\u00edm obsahem vody, jako jsou marmel\u00e1dy, d\u017eemy, jogurty nebo m\u011bkk\u00e9 ovoce, mykotoxiny bleskov\u011b pronikaj\u00ed cel\u00fdm objemem. Tvrzen\u00ed, \u017ee sta\u010d\u00ed se\u0161kr\u00e1bnout povrch marmel\u00e1dy nebo vyhodit jen jednu plesnivou malinu z krabi\u010dky, je proto nebezpe\u010dn\u00e9, toxiny a mikroskopick\u00e1 vl\u00e1kna u\u017e d\u00e1vno prostoupily i okoln\u00ed plody. Zvl\u00e1\u0161tn\u00ed opatrnost je nam\u00edst\u011b tak\u00e9 u o\u0159ech\u016f, olejnin, obilovin a ko\u0159en\u00ed, kde nej\u010dast\u011bji vznikaj\u00ed karcinogenn\u00ed aflatoxiny. Zlat\u00e9 pravidlo prevence zn\u00ed jednozna\u010dn\u011b: jakmile se na potravin\u011b objev\u00ed pl\u00edse\u0148, cel\u00e1 pat\u0159\u00ed bez p\u0159em\u00fd\u0161len\u00ed do ko\u0161e,\u201c<\/i> varuje \u0159editelka St\u00e1tn\u00edho zdravotn\u00edho \u00fastavu Barbora Mackov\u00e1.<\/div>\n<div><\/div>\n<div>N\u011bkter\u00e9 mikroskopick\u00e9 vl\u00e1knit\u00e9 houby, zejm\u00e9na druhy rodu rodu Aspergillus a Penicillium, za specifick\u00fdch podm\u00ednek produkuj\u00ed l\u00e1tky ozna\u010dovan\u00e9 jako mykotoxiny. K jejich produkci doch\u00e1z\u00ed typicky p\u0159i vy\u0161\u0161\u00ed teplot\u011b a vlhkosti b\u011bhem p\u011bstov\u00e1n\u00ed a sklizn\u011b zem\u011bd\u011blsk\u00fdch komodit, ale tak\u00e9 b\u011bhem nevhodn\u00e9ho skladov\u00e1n\u00ed potravin. Jde o p\u0159irozen\u011b vznikaj\u00edc\u00ed, av\u0161ak toxicky p\u016fsob\u00edc\u00ed chemick\u00e9 l\u00e1tky, kter\u00e9 kontaminuj\u00ed p\u0159edev\u0161\u00edm o\u0159echy, obiloviny, kuku\u0159ici \u010di n\u011bkter\u00e9 druhy ko\u0159en\u00ed. Z pohledu bezpe\u010dnosti potravin a ochrany ve\u0159ejn\u00e9ho zdrav\u00ed je mimo\u0159\u00e1dn\u00e1 pozornost v\u011bnov\u00e1na specifick\u00e9 skupin\u011b t\u011bchto l\u00e1tek zvan\u00e9 aflatoxiny. Tyto l\u00e1tky krom\u011b toxick\u00e9ho p\u016fsoben\u00ed jsou nav\u00edc termostabiln\u00ed, nelze je zni\u010dit b\u011b\u017en\u00fdm va\u0159en\u00edm, pe\u010den\u00edm ani jinou kulin\u00e1rn\u00ed \u00fapravou a z\u016fst\u00e1vaj\u00ed tak ve v\u00fdsledn\u00e9m pokrmu. Nej\u010dast\u011bji se vyskytuj\u00edc\u00edm a z\u00e1rove\u0148 vysoce toxicky p\u016fsob\u00edc\u00edm z\u00e1stupcem t\u00e9to skupiny je aflatoxin B1 (AFB1).\u00a0<i>\u201eJedn\u00e1 se o l\u00e1tku s prok\u00e1zan\u00fdmi genotoxick\u00fdmi \u00fa\u010dinky, kterou Mezin\u00e1rodn\u00ed agentura pro v\u00fdzkum rakoviny (IARC) \u0159ad\u00ed do skupiny 1, tedy mezi prok\u00e1zan\u00e9 lidsk\u00e9 karcinogeny. Dlouhodob\u00e9 p\u016fsoben\u00ed t\u00e9to l\u00e1tky na lidsk\u00fd organismus, a to i ve velmi mal\u00fdch d\u00e1vk\u00e1ch, je prokazateln\u011b spojeno s chronick\u00fdm po\u0161kozen\u00edm jater a s v\u00fdrazn\u011b zv\u00fd\u0161en\u00fdm rizikem vzniku zhoubn\u00e9ho n\u00e1doru tohoto org\u00e1nu,\u201c<\/i> vysv\u011btluje vedouc\u00ed Centra zdrav\u00ed, v\u00fd\u017eivy a potravin Tom\u00e1\u0161 Pru\u0161a.<\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div>Pot\u0159ebu d\u016fsledn\u00e9ho sledov\u00e1n\u00ed t\u011bchto l\u00e1tek ned\u00e1vno potvrdily nap\u0159\u00edklad z\u00e1chyty nadlimitn\u00edho obsahu aflatoxinu B1 ve v\u00fdrobc\u00edch ur\u010den\u00fdch pro kojence a mal\u00e9 d\u011bti,\u00a0<strong><a id=\"-wm-OWA731dc865-c937-6299-4b14-1b0017a57251\" class=\"-wm-x_x_OWAAutoLink\" href=\"https:\/\/mzd.gov.cz\/varovani-pred-konzumaci-potraviny-bio-organic-apple-peach-mango-6-months-zn-lupilu\/\" target=\"_blank\" rel=\"noopener\"><u>je\u017e se objevily na trhu<\/u><\/a>.<\/strong><\/div>\n<div>Jeliko\u017e se jedn\u00e1 o potraviny pro mimo\u0159\u00e1dn\u011b citlivou skupinu populace, je nezbytn\u00e9 v\u00fdskyt t\u011bchto kontaminant\u016f neust\u00e1le monitorovat. Proto v oblasti bezpe\u010dnosti potravin hraje d\u016fle\u017eitou \u00falohu Syst\u00e9m rychl\u00e9ho varov\u00e1n\u00ed pro potraviny a krmiva (RASFF), kter\u00fd zachytil\u00a0<strong><a id=\"-wm-OWA252dfef4-b98d-2abf-58fe-dcaf0a15a83b\" class=\"-wm-x_x_OWAAutoLink\" href=\"https:\/\/webgate.ec.europa.eu\/rasff-window\/screen\/notification\/871025\" target=\"_blank\" rel=\"noopener\"><u>i tento konkr\u00e9tn\u00ed v\u00fdrobek.<\/u><\/a><u>\u00a0<\/u><\/strong><i>\u201eI u tohoto ovocn\u00e9ho pyr\u00e9 v\u00a0kapsi\u010dk\u00e1ch, ur\u010den\u00e9ho pro v\u00fd\u017eivu d\u011bt\u00ed, St\u00e1tn\u00ed zdravotn\u00ed \u00fastav provedl hodnocen\u00ed zdravotn\u00edho rizika pro aflatoxin B1 a potvrdil odborn\u00e9 d\u016fvody opat\u0159en\u00ed, kter\u00e1 byla p\u0159ijata na ochranu ve\u0159ejn\u00e9ho zdrav\u00ed,\u201c<\/i>\u00a0potvrzuje Mgr. Tom\u00e1\u0161 Pru\u0161a.<\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><strong><a id=\"-wm-OWA24b1feff-947a-8314-1e20-f9bc925f889e\" class=\"-wm-x_x_OWAAutoLink\" href=\"https:\/\/webgate.ec.europa.eu\/rasff-window\/screen\/search\" target=\"_blank\" rel=\"noopener\"><u>Syst\u00e9m RASFF<\/u><\/a>\u00a0<\/strong>p\u0159edstavuje celoevropskou komunika\u010dn\u00ed s\u00ed\u0165, kter\u00e1 dozorov\u00fdm org\u00e1n\u016fm \u010dlensk\u00fdch st\u00e1t\u016f umo\u017e\u0148uje v re\u00e1ln\u00e9m \u010dase sd\u00edlet informace o v\u00fdskytu zdravotn\u011b z\u00e1vadn\u00fdch potravin \u010di krmiv na trhu. D\u00edky tomuto propojen\u00ed mohou kontroln\u00ed instituce okam\u017eit\u011b reagovat, zabr\u00e1nit vstupu rizikov\u00fdch \u0161ar\u017e\u00ed potravin \u010di krmiv ji\u017e na vn\u011bj\u0161\u00edch hranic\u00edch EU nebo bez prodlen\u00ed na\u0159\u00eddit jejich sta\u017een\u00ed z prodejn\u00ed s\u00edt\u011b.<\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><strong><a id=\"-wm-OWA02311730-f717-9d80-5891-acb195696e61\" class=\"-wm-x_x_OWAAutoLink\" href=\"https:\/\/szu.gov.cz\/odborna-centra-a-pracoviste\/centrum-zdravi-vyzivy-a-potravin\/\" target=\"_blank\" rel=\"noopener\"><u>Centrum zdrav\u00ed, v\u00fd\u017eivy a potravin<\/u><\/a>\u00a0<\/strong>(CZVP) p\u0159i St\u00e1tn\u00edm zdravotn\u00edm \u00fastavu je jedn\u00edm z pracovi\u0161\u0165, kter\u00e1 zaji\u0161\u0165uj\u00ed provoz syst\u00e9mu RASFF v \u010cesk\u00e9 republice a pod\u00edl\u00ed se na hodnocen\u00ed zdravotn\u00edch rizik v oblasti bezpe\u010dnosti potravin. \u00da\u010delem je posouzen\u00ed zdravotn\u00ed p\u0159ijatelnosti potravin pro celou populaci spot\u0159ebitel\u016f nebo pro vybran\u00e9 popula\u010dn\u00ed skupiny. V\u00fdsledn\u00e9 anal\u00fdzy slou\u017e\u00ed dozorov\u00fdm a legislativn\u00edm org\u00e1n\u016fm jako nez\u00e1visl\u00fd podklad k c\u00edlen\u00e9mu \u0159\u00edzen\u00ed rizik, \u00faprav\u011b limit\u016f a ochran\u011b ve\u0159ejn\u00e9ho zdrav\u00ed. V r\u00e1mci CZVP p\u016fsob\u00ed tak\u00e9 N\u00e1rodn\u00ed referen\u010dn\u00ed centrum pro mikroskopick\u00e9 houby a jejich toxiny, kter\u00e9 se v\u011bnuje i problematice zm\u00edn\u011bn\u00fdch aflatoxin\u016f. A pr\u00e1v\u011b z d\u016fvodu nutnosti maxim\u00e1ln\u011b chr\u00e1nit spot\u0159ebitele a spolehliv\u011b zachytit i stopov\u00e9 koncentrace skryt\u00fdch hrozeb, nap\u0159. v podob\u011b aflatoxin\u016f, jsou v sou\u010dasn\u00e9 dob\u011b v CZVP zav\u00e1d\u011bny nov\u00e9, citliv\u00e9 analytick\u00e9 metody ur\u010den\u00e9 pro jejich p\u0159esn\u00fd monitoring. Nov\u00e9 v\u00fdsledky v roce 2027 by m\u011bly umo\u017enit roz\u0161\u00ed\u0159en\u00ed spektra analyzovan\u00fdch mykotoxin\u016f a jejich za\u0159azen\u00ed do monitoringu diet\u00e1rn\u00ed expozice.<\/div>\n<div><\/div>\n<p><strong>(tz-sz\u00fa)<\/strong><\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>P\u0159\u00edtomnost pl\u00edsn\u00ed <\/p>\n","protected":false},"author":2,"featured_media":387390,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[88],"tags":[],"jetpack_featured_media_url":"https:\/\/zakrasnejsivimperk.cz\/wp-content\/uploads\/2026\/10\/01\/ram-szu.jpg","_links":{"self":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/387389"}],"collection":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=387389"}],"version-history":[{"count":5,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/387389\/revisions"}],"predecessor-version":[{"id":387395,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/387389\/revisions\/387395"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/media\/387390"}],"wp:attachment":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=387389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=387389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=387389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}