{"id":2217,"date":"2016-07-19T20:18:40","date_gmt":"2016-07-19T18:18:40","guid":{"rendered":"http:\/\/potravinyx.cz\/?p=2217"},"modified":"2016-07-26T22:00:47","modified_gmt":"2016-07-26T20:00:47","slug":"vedeli-ste-jake-je-tajemstvi-kvetaku","status":"publish","type":"post","link":"https:\/\/potravinyx.cz\/?p=2217","title":{"rendered":"V\u011bd\u011bli jste, jak\u00e9 je tajemstv\u00ed kv\u011bt\u00e1ku?"},"content":{"rendered":"

M\u016f\u017eeme ji nal\u00e9zt p\u0159edev\u0161\u00edm v kv\u011bt\u00e1ku, brokolici, kapust\u011b (i r\u016f\u017ei\u010dkov\u00e9), \u010derven\u00e9, b\u00edl\u00e9, v zel\u00ed a kedlubn\u011b.\u00a0Probl\u00e9m je v tom, \u017ee jak\u00e1koliv tepeln\u00e1 \u00faprava ho ni\u010d\u00ed. Je extr\u00e9mn\u011b citliv\u00fd na teplotu.<\/h2>\n

Sulforafan<\/strong> pat\u0159\u00ed mezi tzv. fytochemik\u00e1lie. Jde o z\u00e1stupce ze skupiny isothiokyan\u00e1t\u016f ((R)-1-isothiokyano-4-metyl-sulfonyl butan).
\nSulforafan p\u016fsob\u00ed jako antioxidant a stimul\u00e1tor p\u0159irozen\u00fdch enzym\u016f, kter\u00e9 zaji\u0161\u0165uj\u00ed detoxikaci<\/strong> organismu. Epidemiologick\u00e9 studie uk\u00e1zaly, \u017ee u osob, kter\u00e9 konzumuj\u00ed velk\u00e9 mno\u017estv\u00ed brukvovit\u00e9 zeleniny, je sn\u00ed\u017een\u00e9 riziko<\/strong> v\u00fdskytu rakoviny<\/strong>, zejm\u00e9na prsu a prostaty. Pokusy na zv\u00ed\u0159atech se zjistilo, \u017ee brukvovit\u00e1 zelenina sni\u017euje \u010detnost, velikost a po\u010det n\u00e1dor\u016f. B\u011bhem boje proti rakovinn\u00fdm bu\u0148k\u00e1m produkuje na\u0161e t\u011blo speci\u00e1ln\u00ed enzymy, tzv. enzymy f\u00e1ze 2. Sulforafan je induktorem enzym\u016f f\u00e1ze 2, \u010d\u00edm\u017e neutralizuje karcinogeny d\u0159\u00edve, ne\u017e po\u0161kod\u00ed DNA.<\/p>\n

V\u011bdc\u016fm\u00a0z Universit\u00e4tsklinikum Heidelberg<\/strong>\u00a0se poda\u0159ilo zpozorovat, p\u0159i laboratorn\u00edm pokusu na my\u0161\u00edch, \u017ee sulforafan napadl p\u0159\u00edli\u0161 agresivn\u00ed kmenov\u00e9 bu\u0148ky tumoru a t\u00edm je u\u010dinil citliv\u00e9 na chemoterapii. Jak d\u00e1le uv\u00e1d\u011bj\u00ed, maj\u00ed podez\u0159en\u00ed, \u017ee n\u00e1dorov\u00e9 kmenov\u00e9 bu\u0148ky, kter\u00e9 p\u0159e\u017eij\u00ed – konven\u010dn\u00ed chemo- a radioterapii, jsou zodpov\u011bdn\u00e9 za vznik a \u0161\u00ed\u0159en\u00ed rakoviny.\u00a0Vzhledem k tomu, \u017ee rezistentn\u00ed n\u00e1dorov\u00e9 kmenov\u00e9 bu\u0148ky z\u016fst\u00e1vaj\u00ed, mohou op\u011bt tvo\u0159\u00ed n\u00e1dor. A pr\u00e1v\u011b proto je sulforafan u\u017eite\u010dn\u00fd p\u0159i oslabov\u00e1n\u00ed rezistence kmenov\u00fdch rakovinov\u00fdch bun\u011bk.<\/p>\n

Nejenom kv\u011bt\u00e1k<\/h3>\n

Sulforafan glukosinol\u00e1t se nach\u00e1z\u00ed v brukvovit\u00e9 zelenin\u011b, nap\u0159. v kv\u011bt\u00e1ku, brokolici, zel\u00ed a kapust\u011b. Nejbohat\u0161\u00edm zdrojem sulforafanu jsou r\u016f\u017ei\u010dky brokolice.\u00a0Mal\u00e9 mno\u017estv\u00ed \u010derstv\u00fdch kl\u00ed\u010dk\u016f brokolice<\/strong> obsahuje tolik ochrany proti rakovin\u011b, jako v\u011bt\u0161\u00ed mno\u017estv\u00ed zral\u00e9 zeleniny . Podle v\u011bdc\u016f z Johns Hopkins University, v 5g kl\u00ed\u010dk\u016f je stejn\u00e9 mno\u017estv\u00ed glukorafanu, jak se nach\u00e1z\u00ed v 150g zral\u00e9 brokolici .<\/p>\n

\"\"Tepeln\u011b neupravovat<\/h3>\n

Tak zn\u00ed rada odborn\u00edk\u016f, kte\u0159\u00ed zkou\u0161eli ve\u0161ker\u00e9 typy tepeln\u00e9ho spravov\u00e1n\u00ed a v\u017edy do\u0161lo k \u00fapln\u00e9mu zni\u010den\u00ed antioxidantu.\u00a0Optim\u00e1ln\u00ed je \u010derstvou brokolici \u010di zel\u00ed od\u0161\u0165av\u0148ovat, \u010d\u00edm\u017e se bu\u0148ky v zelenin\u011b „rozbij\u00ed“, enzym tehdy za\u010dne \u0161t\u011bpit glukorafan\u00edn a vznikne sulforafan.<\/p>\n

 <\/p>\n

zdroj:<\/p>\n

<http:\/\/www.bezpecnostpotravin.cz\/az\/termin\/92293.aspx><\/p>\n

<http:\/\/zdravie.pravda.sk\/zdrava-vyziva\/clanok\/284615-sulforafan-proti-rakovine-ako-ho-v-zelenine-neznicit\/><\/p>\n

<https:\/\/www.klinikum.uni-heidelberg.de\/What-is-the-effect-of-sulforaphane.138791.0.html?&L=1><\/p>\n","protected":false},"excerpt":{"rendered":"

M\u016f\u017eeme ji nal\u00e9zt p\u0159edev\u0161\u00edm v kv\u011bt\u00e1ku, brokolici, kapust\u011b (i r\u016f\u017ei\u010dkov\u00e9), \u010derven\u00e9, b\u00edl\u00e9, v zel\u00ed a kedlubn\u011b.<\/p>\n<\/div>","protected":false},"author":1,"featured_media":2219,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[24,242,239,88,241,92,240],"class_list":["post-2217","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zdravi","tag-antioxidant","tag-fytochemikalie","tag-kvetak","tag-prevence","tag-prostata","tag-rakovina","tag-sulforafan"],"views":4511,"_links":{"self":[{"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/posts\/2217","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2217"}],"version-history":[{"count":0,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/posts\/2217\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/media\/2219"}],"wp:attachment":[{"href":"https:\/\/potravinyx.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}