Genistein se n\u00e1m m\u016f\u017ee hodi\u0165, ale nen\u00ed perfektn\u00ed.\u00a0Je to fytoestrog\u00e9n a pat\u0159\u00ed do kategorie izoflavon\u016f. O tom, kolik fytoestrogen\u016f p\u0159ij\u00edm\u00e1 \u010dlov\u011bk s potravou, rozhoduj\u00ed v prv\u00e9 \u0159ad\u011b tradi\u010dn\u00ed n\u00e1rodn\u00ed zvyky. Nap\u0159\u00edklad v\u011bt\u0161ina asijsk\u00e9 populace konzumuje 20-80 mg\u00a0genisteinu za den, zat\u00edmco r\u016fm\u011brn\u00fd Ameri\u010dan p\u0159ijme za den pouze 1-3 mg genisteinu.<\/p>\n
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Hlavn\u00edm zdrojem genisteinu jsou s\u00f3jov\u00e9 boby. Ostatn\u00ed lu\u0161t\u011bniny, jako je cizrna, obsahuj\u00ed mal\u00e9 mno\u017estv\u00ed genisteinu.<\/p>\n
Genistein m\u00e1 mnoho p\u0159\u00ednosu pro zdrav\u00ed a v\u00e1l\u010d\u00ed na n\u011bkolika front\u00e1ch: p\u016fsob\u00ed jako antioxidant, protirakovinn\u00e9 \u010dinidlo, a to by mohlo pomoci lidem s metabolick\u00fdm syndromem.<\/p>\n
Mnoho in-vitro testu prok\u00e1zalo, \u017ee genistein inhibuje bun\u011b\u010dnou synt\u00e9zu cholesterolu a esterifikaci cholesterolu. Genistein tak\u00e9 sni\u017euje oxidaci mastn\u00fdch kyselin a p\u016fsob\u00ed na sni\u017eov\u00e1n\u00ed hladiny lipid\u016f. Sn\u00ed\u017euje\u00a0riziko arterioskler\u00f3zy. Gensistein zabra\u0148uje vzniku srde\u010dn\u00edch a mozkov\u00fdch p\u0159\u00edhod t\u00edm, \u017ee p\u016fsob\u00ed jako protisr\u00e1\u017eenliv\u00e9 \u010dinidlo.<\/p>\n
Genistein je siln\u00fd antioxidant. Genistein odstra\u0148uje \u0161kodliv\u00e9 voln\u00e9 radik\u00e1ly a sni\u017euje peroxidaci lipid\u016f. Genistein zvy\u0161uje aktivitu jin\u00fdch antioxida\u010dn\u00edch enzym\u016f, jako je glutathion peroxid\u00e1zy,\u00a0superoxiddismut\u00e1zy a glutathion redukt\u00e1zy. Studie prok\u00e1zaly, \u017ee genistein m\u016f\u017ee rovn\u011b\u017e ovlivnit r\u016fst bun\u011bk, kter\u00e9 nejsou z\u00e1visl\u00e9 na hormonech.<\/p>\n
Genistein zd\u00e1 se, \u017ee sn\u00ed\u017euje riziko n\u011bkter\u00fdch druh\u016f rakoviny hormon\u00e1ln\u011b z\u00e1visl\u00fdch, zejm\u00e9na rakoviny prsu a rakoviny prostaty. Epidemiologick\u00e9 studie ukazuj\u00ed, \u017ee spot\u0159eba isoflavon\u016f m\u016f\u017ee chr\u00e1nit p\u0159ed rakovinou\u00a0prsu a prostaty<\/strong>. Vysok\u00fd p\u0159\u00edjem potravy ze s\u00f3jov\u00fdch v\u00fdrobk\u016f v \u010c\u00edne a Japonsku je spojen s n\u00edzk\u00fdm v\u00fdskytem t\u011bchto onemocn\u011bn\u00ed. Existuje mnoho teori\u00ed vysv\u011btluj\u00edc\u00edch protirakovinnou \u010dinnost genisteinu: inhibice\u00a0angiogeneze, inhibici tyrosin kin\u00e1z, antioxida\u010dn\u00ed vlastnosti, a anti-estrogen p\u016fsoben\u00ed (je zn\u00e1mo, \u017ee estrogen zvy\u0161uje riziko n\u011bkter\u00fdch druh\u016f rakoviny). Genistein se v\u00e1\u017ee s estrogenov\u00e9 receptory, br\u00e1n\u00ed estrogenu\u00a0ve v\u00e1z\u00e1n\u00ed a m\u016f\u017ee iniciovat r\u016fst rakoviny.<\/p>\n V\u011bdci z King\u2019s College v Lond\u00fdn\u011b p\u0159edstavili na v\u011bdeck\u00e9 konferenci v Kodani riziko sn\u00ed\u017een\u00ed plodnosti. Ze s\u00f3ji se uvol\u0148uj\u00edc\u00ed genistein, l\u00e1tka podobn\u00e1 \u017eensk\u00e9mu pohlavn\u00edmu hormonu, m\u00e1 sice protirakovinn\u00e9 \u00fa\u010dinky,\u00a0ale z\u00e1rove\u0148 sni\u017euje kvalitu spermatu. Sta\u010d\u00ed jen mal\u00e9 mno\u017estv\u00ed genisteinu a oplodn\u011bn\u00ed m\u016f\u017ee b\u00fdt velmi problematick\u00e9. Tato l\u00e1tka se nach\u00e1z\u00ed i v margar\u00ednech, \u010dokol\u00e1d\u011b, pivu i n\u011bkter\u00fdch druz\u00edch chleba. Uveden\u00e9 obavy\u00a0se potvrzuj\u00ed i z jin\u00fdch v\u00fdzkum\u016f, nap\u0159. profesor Richard Sharpe z University v Edinburgu studoval pokles mu\u017esk\u00e9 plodnosti za posledn\u00edch pades\u00e1t let a p\u0159i krmen\u00ed mlad\u00fdch samc\u016f opic s\u00f3jov\u00fdm ml\u00e9kem se naru\u0161ovala\u00a0jejich hladina testosteronu.<\/p>\n \u201eSue Dibbov\u00e1, expert pro potravinovou politiku v britsk\u00e9 organizaci National Consumer Council nyn\u00ed zpochyb\u0148uje, zda by se sojov\u00e9 ml\u00e9ko m\u011blo nad\u00e1le pod\u00e1vat kojenc\u016fm,\u201c zmi\u0148uj\u00ed se o z\u00e1v\u011brech tohoto v\u00fdzkumu Britsk\u00e9\u00a0listy a pokra\u010duj\u00ed dal\u0161\u00edmi poznatky v\u00fdzkumu Fitzpatricka: „Zjistili jsme,“ konstatuje, “ \u017ee s\u00f3ja obsahuje toxiny a estrogen tak siln\u00fd, \u017ee p\u0159i experimentech dok\u00e1\u017ee naru\u0161it \u017eensk\u00fd menstrua\u010dn\u00ed cyklus. Tak\u00e9\u00a0po\u0161kozuje \u0161t\u00edtnou \u017el\u00e1zu.\u201c I t\u011bhotn\u00e9 \u017eeny jsou v ohro\u017een\u00ed, jeliko\u017e vysok\u00e9 mno\u017estv\u00ed p\u0159\u00edrodn\u00edch hormon\u016f m\u016f\u017ee postihnout \u00a0nervov\u00fd syst\u00e9m plodu. P\u0159es v\u0161echna pozitiva i negativa s\u00f3ji rad\u00ed odborn\u00edci um\u00edrn\u011bnou\u00a0spot\u0159ebu.<\/p>\n <\/p>\n Zdroj: internet<\/p>\n","protected":false},"excerpt":{"rendered":" Genistein se n\u00e1m m\u016f\u017ee hodi\u0165, ale nen\u00ed perfektn\u00ed.\u00a0Je to fytoestrog\u00e9n a pat\u0159\u00ed do kategorie izoflavon\u016f. O tom, kolik fytoestrogen\u016f p\u0159ij\u00edm\u00e1 \u010dlov\u011bk s potravou, rozhoduj\u00ed v prv\u00e9 \u0159ad\u011b tradi\u010dn\u00ed n\u00e1rodn\u00ed zvyky. Nap\u0159\u00edklad v\u011bt\u0161ina asijsk\u00e9 populace konzumuje [v\u00edc]<\/a><\/p>\n<\/div>","protected":false},"author":2,"featured_media":1031,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[21,43,102,108],"class_list":["post-67","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zdravi","tag-alergen","tag-genistein","tag-soja","tag-testosteron"],"views":5916,"_links":{"self":[{"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/posts\/67","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=67"}],"version-history":[{"count":0,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/posts\/67\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=\/wp\/v2\/media\/1031"}],"wp:attachment":[{"href":"https:\/\/potravinyx.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=67"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=67"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/potravinyx.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=67"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Pro\u010d nep\u0159ij\u00edmat genistein?<\/h2>\n