{"id":29339,"date":"2017-10-22T23:19:48","date_gmt":"2017-10-22T21:19:48","guid":{"rendered":"http:\/\/www.invarena.cz\/?p=29339"},"modified":"2017-10-22T23:19:48","modified_gmt":"2017-10-22T21:19:48","slug":"la-repubblica-proc-zeny-davaji-prednost-bilemu-vinu","status":"publish","type":"post","link":"https:\/\/www.invarena.cz\/?p=29339","title":{"rendered":"La Repubblica: Pro\u010d \u017eeny d\u00e1vaj\u00ed p\u0159ednost b\u00edl\u00e9mu v\u00ednu"},"content":{"rendered":"

N\u011bkdo m\u00e1 rad\u011bji \u010derven\u00e9, jin\u00fd b\u00edl\u00e9 a dal\u0161\u00ed zase r\u016f\u017eov\u00e9. Zd\u00e1 se, \u017ee jde jen o oby\u010dejnou z\u00e1le\u017eitost chuti. Ne tak docela: chu\u0165 je mimo\u0159\u00e1dn\u011b slo\u017eit\u00fdm jevem, kter\u00fd se rod\u00ed ze vz\u00e1jemn\u00e9ho p\u016fsoben\u00ed na\u0161ich gen\u016f, na\u0161eho \u017eivotn\u00edho stylu a na\u0161\u00ed kultury. Podle jednoho v\u00fdzkumu d\u00e1vaj\u00ed \u017eeny p\u0159ednost b\u00edl\u00e9mu v\u00ednu, p\u00ed\u0161e italsk\u00fd den\u00edk La Repubblica.<\/strong><\/p>\n

Vypl\u00fdv\u00e1 to z mezin\u00e1rodn\u00ed studie, kterou koordinovali Alberto Bertelli z Mil\u00e1nsk\u00e9 univerzity a Roberto Barale z univerzity v Pise. Na v\u00fdzkumu se pod\u00edlely \u010dty\u0159i univerzity a v\u00fdzkumn\u00e1 centra nejen v It\u00e1lii, ale i v N\u011bmecku a v \u010cesk\u00e9 republice. V\u00fdsledky publikoval \u010dasopis Scientific Reports.<\/p>\n

Citlivost v\u016f\u010di ho\u0159k\u00e9 chuti. Kdy\u017e ochutn\u00e1v\u00e1me potraviny, jako je zelenina nebo \u010dokol\u00e1da, a srovn\u00e1v\u00e1me na\u0161e pocity s pocity jin\u00fdch lid\u00ed, zji\u0161\u0165ujeme, \u017ee se na\u0161e citlivost v\u016f\u010di ho\u0159k\u00e9 chuti li\u0161\u00ed. Tuto skute\u010dnost prok\u00e1zaly ji\u017e d\u0159\u00edv\u011bj\u0161\u00ed studie.<\/p>\n

„Geny pro ho\u0159kou a stahuj\u00edc\u00ed chu\u0165 byly ji\u017e identifikov\u00e1ny a v\u00edme, \u017ee je m\u00e1me v\u0161ichni,“ vysv\u011btluje Alberto Bertelli. Co se v\u0161ak d\u011bje, kdy\u017e ochutn\u00e1v\u00e1me \u010derven\u00e9 v\u00edno?<\/p>\n

T\u00fdm v\u011bdc\u016f proto sledoval 300 Ital\u016f a 300 \u010cech\u016f, kte\u0159\u00ed m\u011bli ochutnat \u010derven\u00e9, velmi t\u011blnat\u00e9 v\u00edno. Pokusn\u00e9 osoby pak popsaly subjektivn\u00ed pocity p\u0159i ochutn\u00e1vce. V\u011bdci n\u00e1sledn\u011b ob\u011b skupiny podrobili genotypizaci pro geny ho\u0159k\u00e9 chuti.<\/p>\n

„Jinak \u0159e\u010deno, p\u0159i na\u0161\u00ed studii jsme se sna\u017eili pochopit r\u016fzn\u00e9 zp\u016fsoby projevu t\u011bchto gen\u016f neboli zp\u016fsob, jak se tyto geny projevuj\u00ed,“ up\u0159es\u0148uje Bertelli. „Z anal\u00fdz vyplynulo, \u017ee u \u017een je n\u00e1chylnost c\u00edtit ho\u0159kou a stahuj\u00edc\u00ed chu\u0165 v\u00edce rozvinuta, jin\u00fdmi slovy, jsou citliv\u011bj\u0161\u00ed v\u016f\u010di stahuj\u00edc\u00ed chuti. To vysv\u011btluje, pro\u010d v\u011bt\u0161ina z nich d\u00e1v\u00e1 p\u0159ednost b\u00edl\u00e9mu v\u00ednu,“ konstatuje v\u011bdec.<\/p>\n

Kdy\u017e v\u011bdci ob\u011b skupiny srovn\u00e1vali, uk\u00e1zalo se, \u017ee Italov\u00e9 jsou v\u00edce citliv\u00ed na ho\u0159kou chu\u0165, nez\u00e1visle na tom, jak\u00e9 maj\u00ed geny. A to znamen\u00e1, \u017ee i kultura hraje z\u00e1sadn\u00ed roli p\u0159i ur\u010dov\u00e1n\u00ed osobn\u00ed chuti.<\/p>\n

„Jestli\u017ee jsme my Italov\u00e9 m\u00e9n\u011b citliv\u00ed v\u016f\u010di ho\u0159k\u00e9 chuti, m\u011bli bychom p\u00edt mnohem v\u00edce \u010derven\u00e9ho v\u00edna ne\u017e populace ze severu Evropy. V\u00edme v\u0161ak, \u017ee to je pr\u00e1v\u011b naopak,“ konstatuje Bertelli. „To mo\u017en\u00e1 sv\u011bd\u010d\u00ed o vlivu r\u016fzn\u00e9 kultury a r\u016fzn\u00e9ho \u017eivotn\u00edho stylu. Na\u0161e hypot\u00e9za je tedy takov\u00e1, \u017ee geny nejsou v\u0161echno a chu\u0165 m\u016f\u017ee ovliv\u0148ovat i kultura,“ dod\u00e1v\u00e1.<\/p>\n

Tato studie je prvn\u00edm krokem na cest\u011b v\u00fdzkumu toho, zda kulturn\u00ed faktory mohou re\u00e1ln\u011b ovliv\u0148ovat genetiku a v tomto p\u0159\u00edpad\u011b i chu\u0165 ho\u0159k\u00e9ho.<\/p>\n

„Mus\u00edme zd\u016fraznit, \u017ee takov\u00e9 v\u00fdzkumy je t\u0159eba je\u0161t\u011b prohloubit a nezapom\u00ednat p\u0159itom, \u017ee um\u00edrn\u011bn\u00e1 konzumace v\u00edna je typickou charakteristikou st\u0159edomo\u0159sk\u00fdch zem\u00ed a zvl\u00e1\u0161t\u011b It\u00e1lie,“ uzav\u00edr\u00e1 Bertelli.<\/p>\n","protected":false},"excerpt":{"rendered":"

N\u011bkdo m\u00e1 rad\u011bji \u010derven\u00e9, jin\u00fd b\u00edl\u00e9 a dal\u0161\u00ed zase r\u016f\u017eov\u00e9. Zd\u00e1 se, \u017ee jde jen o oby\u010dejnou z\u00e1le\u017eitost chuti. Ne tak docela: chu\u0165 je mimo\u0159\u00e1dn\u011b […]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-29339","post","type-post","status-publish","format-standard","hentry","category-zpravy"],"_links":{"self":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/29339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=29339"}],"version-history":[{"count":0,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/29339\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=29339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}