{"id":29,"date":"2016-05-14T20:01:56","date_gmt":"2016-05-14T18:01:56","guid":{"rendered":"http:\/\/localhost\/wordpress\/index.php\/2015\/07\/14\/vedecke-stanovisko-efsa-k-akrylamidu-v-potravinach\/"},"modified":"2016-05-30T16:18:10","modified_gmt":"2016-05-30T14:18:10","slug":"vedecke-stanovisko-efsa-k-akrylamidu-v-potravinach","status":"publish","type":"post","link":"https:\/\/potravinyx.cz\/?p=29","title":{"rendered":"V\u011bdeck\u00e9 stanovisko EFSA k akrylamidu v potravin\u00e1ch"},"content":{"rendered":"

Na z\u00e1klad\u011b podrobn\u00e9ho p\u0159ehodnocen\u00ed dosavadn\u00edch v\u00fdsledk\u016f EFSA zve\u0159ejnil sv\u00e9 v\u011bdeck\u00e9 stanovisko zab\u00fdvaj\u00edc\u00ed se akrylamidem v potravin\u00e1ch.<\/h2>\n

<\/p>\n

V\u011bde\u010dt\u00ed pracovn\u00edci Panelu CONTAM op\u011btovn\u011b potvrdily<\/strong> p\u0159edchoz\u00ed hodnocen\u00ed o tom, \u017ee akrylamid<\/strong> v potravin\u00e1ch potenci\u00e1ln\u011b zvy\u0161uje riziko<\/strong> vzniku<\/strong> rakoviny<\/strong> pro spot\u0159ebitele u v\u0161ech v\u011bkov\u00fdch skupin. Od zah\u00e1jen\u00ed ve\u0159ejn\u00e9 konzultace (\u010dervenci 2014) k n\u00e1vrhu stanoviska nedo\u0161lo ke zm\u011bn\u00e1m v souvislosti s prezentovan\u00fdmi z\u00e1v\u011bry.<\/p>\n

V\u00fdsledky z\u00edskan\u00e9 ze studi\u00ed proveden\u00fdch na zv\u00ed\u0159atech ukazuj\u00ed \u017ee akrylamid a jeho metabolit glycidamide jsou genotoxick\u00e9<\/strong> a karcinogenn\u00ed<\/strong>: po\u0161kozuj\u00ed<\/strong> DNA<\/strong> a mohou zp\u016fsobit vznik<\/strong> rakoviny<\/strong>. Dosavadn\u00ed studie u lid\u00ed na pracovn\u00ed a dietetickou expozici akrylamidu poskytuj\u00ed omezen\u00e9 a nekonzistentn\u00ed d\u016fkazy o zv\u00fd\u0161en\u00e9m riziku vzniku rakoviny.<\/p>\n

\"khumthong\"
khumthong at FreeDigitalPhotos.net<\/figcaption><\/figure>\n

Proto\u017ee\u00a0akrylamid je p\u0159\u00edtomen v \u0161irok\u00e9 \u0161k\u00e1le b\u011b\u017en\u00fdch potravin, plat\u00ed zdravotn\u00ed riziko<\/strong> pro v\u0161echny spot\u0159ebitele, av\u0161ak na z\u00e1klad\u011b t\u011blesn\u00e9 hmotnosti jsou d\u011bti<\/strong> nejv\u00edce vystavena v\u011bkov\u00e1 skupina. Nejv\u00fdznamn\u011bj\u0161\u00ed skupiny potravin, kter\u00e9 p\u0159isp\u00edvaj\u00ed k expozici akrylamidu jsou sma\u017een\u00e9 bramborov\u00e9 v\u00fdrobky, k\u00e1va, su\u0161enky, suchary, k\u0159upav\u00fd chl\u00e9b a m\u011bkk\u00fd chl\u00e9b.<\/span><\/p>\n

P\u0159edseda V\u011bdeck\u00e9ho panelu CONTAM, Dr. Diane Benford \u0159ekla: „Ve\u0159ejn\u00e1 konzultace p\u0159isp\u011bla k dolad\u011bn\u00ed a finalizaci v\u011bdeck\u00e9ho stanoviska. P\u0159edev\u0161\u00edm v\u0161ak objasnila na\u0161e vyhodnocen\u00ed studi\u00ed o \u00fa\u010dinc\u00edch akrylamidu u lid\u00ed a pojmenovala hlavn\u00ed zdroje potravin akrylamidu pro spot\u0159ebitele. Do fin\u00e1ln\u00edho v\u011bdeck\u00e9ho stanoviska byly b\u011bhem upom\u00ednac\u00ed stanoviska zahrnuty i ned\u00e1vn\u00e9 studie. “<\/p>\n

Va\u0159en\u00ed p\u0159i vysok\u00e9 teplot\u011b<\/h2>\n

Akrylamid je chemick\u00e1 slou\u010denina, kter\u00e1 se obvykle tvo\u0159\u00ed v \u0161krobov\u00fdch potravin\u00e1ch p\u0159i vysok\u00e9 teplot\u011b va\u0159en\u00ed, sma\u017een\u00ed, pe\u010den\u00ed a sma\u017een\u00ed. Chemick\u00e1 reakce p\u0159i kter\u00e9 vznik\u00e1 tato l\u00e1tka se naz\u00fdv\u00e1 Maillardova reakce. Akrylamid byl zji\u0161t\u011bn v produktech, jako jsou bramborov\u00e9 lup\u00ednky, hranolky, chl\u00e9b, su\u0161enky, k\u00e1va atd. Akrylamid se tvo\u0159\u00ed z cukr\u016f a aminokyselin, kter\u00e9 se p\u0159irozen\u011b vyskytuj\u00ed v mnoha potravin\u00e1ch.<\/p>\n

Akrylamid, kter\u00fd se konzumuje or\u00e1ln\u011b je absorbov\u00e1n gastrointestin\u00e1ln\u00edm traktem a n\u00e1sledn\u011b distribuov\u00e1n do v\u0161ech org\u00e1n\u016f, kde podl\u00e9h\u00e1 zna\u010dn\u00e9mu metabolick\u00e9mu procesu. Glycidamid je jeden z hlavn\u00edch metabolit\u016f v tomto metabolick\u00e9m procesu. P\u0159edpokl\u00e1d\u00e1 se, \u017ee pr\u00e1v\u011b tato l\u00e1tka je s nejv\u011bt\u0161\u00ed pravd\u011bpodobnost\u00ed p\u0159\u00ed\u010dinou genov\u00fdch mutac\u00ed a n\u00e1dor\u016f objevuj\u00edc\u00edch se ve studi\u00edch na zv\u00ed\u0159atech.<\/p>\n

Krom\u011b rakoviny p\u0159edpokl\u00e1d\u00e1 odborn\u00e1 skupina i mo\u017en\u00e9 \u0161kodliv\u00e9 \u00fa\u010dinky akrylamidu na nervov\u00fd syst\u00e9m, pre- a postnat\u00e1ln\u00ed v\u00fdvoj a na mu\u017eskou reprodukci. Na z\u00e1klad\u011b sou\u010dasn\u00fdch hodnot dietetick\u00e9 expozice v\u0161ak tyto \u00fa\u010dinky nevyvol\u00e1valy vznik obav.<\/p>\n

Sn\u00ed\u017een\u00ed dietetick\u00e9 expozice akrylamidu<\/h2>\n

P\u0159edlo\u017een\u00e9 stanovisko obsahuje i p\u0159ehled \u00fadaj\u016f a literatury, kter\u00e1 shrnuje jako volba slo\u017eek, zp\u016fsob skladov\u00e1n\u00ed a teplota, p\u0159i kter\u00e9 je j\u00eddlo va\u0159en\u00e9 m\u016f\u017ee ovlivnit mno\u017estv\u00ed akrylamidu v r\u016fzn\u00fdch druh\u016f potravin, az uveden\u00e9ho d\u016fvodu i \u00farove\u0148 dietetick\u00e9 expozice.<\/p>\n

EFSA v\u011bdeck\u00e9 stanovisko bude p\u0159edlo\u017eeno EU a n\u00e1rodn\u00edm pracovn\u00edk\u016fm s rozhodovac\u00edmi pravomocemi p\u0159i zva\u017eov\u00e1n\u00ed mo\u017en\u00fdch opat\u0159en\u00ed pro dal\u0161\u00ed sn\u00ed\u017een\u00ed expozice spot\u0159ebitel\u016f k akrylamidu v potravin\u00e1ch. Ty mohou zahrnovat, nap\u0159\u00edklad, poradenstv\u00ed v oblasti stravovac\u00edch n\u00e1vyk\u016f a dom\u00e1c\u00ed va\u0159en\u00ed. \u00da\u0159ad EFSA v\u0161ak nehraje \u017e\u00e1dnou p\u0159\u00edmou roli p\u0159i rozhodov\u00e1n\u00ed o t\u011bchto opat\u0159en\u00ed.<\/p>\n

Scientific Opinion on acrylamide in food<\/a><\/p>\n

Technical report on the outcome of the public consultation on the draft opinion on acrylamide in food<\/a><\/p>\n

EFSA p\u0159ipravila i shrnut\u00ed sv\u00e9ho v\u011bdeck\u00e9ho stanoviska a stejn\u011b tak i odpov\u011bdi na \u010dasto kladen\u00e9 dotazy t\u00fdkaj\u00edc\u00ed se akrylamidu v potravin\u00e1ch.<\/p>\n

EFSA explains risk assessment: acrylamide in food<\/a><\/p>\n

FAQs on acrylamide in food<\/a><\/p>\n

Link na web EFSA – tiskov\u00e1 zpr\u00e1va:<\/p>\n

Acrylamide in food is a public health concern<\/a><\/p>\n

zdroj: SPPK<\/p>\n

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

Na z\u00e1klad\u011b podrobn\u00e9ho p\u0159ehodnocen\u00ed dosavadn\u00edch v\u00fdsledk\u016f EFSA zve\u0159ejnil sv\u00e9 v\u011bdeck\u00e9 stanovisko zab\u00fdvaj\u00edc\u00ed se akrylamidem v potravin\u00e1ch.<\/p>\n<\/div>","protected":false},"author":2,"featured_media":1086,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[20,38,44,56,92,115],"class_list":["post-29","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zdravi","tag-akrylamid","tag-dna","tag-glycidamid","tag-karcinogen","tag-rakovina","tag-vareni"],"views":4089,"_links":{"self":[{"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/posts\/29","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=29"}],"version-history":[{"count":0,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/posts\/29\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/media\/1086"}],"wp:attachment":[{"href":"https:\/\/potravinyx.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=29"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}