[et_pb_section fb_built=“1″ _builder_version=“4.16″ global_colors_info=“{}“][et_pb_row _builder_version=“4.16″ background_size=“initial“ background_position=“top_left“ background_repeat=“repeat“ global_colors_info=“{}“][et_pb_column type=“4_4″ _builder_version=“4.16″ custom_padding=“|||“ global_colors_info=“{}“ custom_padding__hover=“|||“][et_pb_text _builder_version=“4.16″ background_size=“initial“ background_position=“top_left“ background_repeat=“repeat“ global_colors_info=“{}“]<\/p>\n
Rann\u00ed \u0161\u00e1lek k\u00e1vy je v mnoha dom\u00e1cnostech po cel\u00e9m sv\u011bt\u011b neodmyslitelnou sou\u010d\u00e1st\u00ed dne. Tento n\u00e1poj hrd\u011b nese ozna\u010den\u00ed „obl\u00edben\u00fd n\u00e1poj civilizovan\u00e9ho sv\u011bta“ a mnoho lid\u00ed si ka\u017ed\u00fd den dop\u0159eje \u0161\u00e1lek nebo dva (nebo p\u011bt a v\u00edce). Je obl\u00edben\u00fd zejm\u00e9na pro svou schopnost sni\u017eovat \u00fanavu a zlep\u0161ovat kognitivn\u00ed funkce. Tuto v\u00fdhodu lze p\u0159i\u010d\u00edst kofeinu<\/strong>, hlavn\u00ed slou\u010denin\u011b obsa\u017een\u00e9 nejen v k\u00e1v\u011b, ale tak\u00e9 v \u010daji a dal\u0161\u00edch kofeinov\u00fdch n\u00e1poj\u00edch. Navzdory jej\u00ed oblib\u011b pacienti s IBS \u010dasto uv\u00e1d\u011bj\u00ed zhor\u0161en\u00ed p\u0159\u00edznak\u016f po pit\u00ed k\u00e1vy. (1.)<\/p>\n Bylo zji\u0161t\u011bno, \u017ee pr\u016fchod potravy tlust\u00fdm st\u0159evem se rychle zrychluje asi 4 minuty po konzumaci k\u00e1vy. Pr\u016fchod potravy je rychlej\u0161\u00ed d\u00edky zv\u00fd\u0161en\u00e9 frekvenci st\u0159evn\u00edch kontrakc\u00ed. To vede k v\u011bt\u0161\u00ed touze po vyprazd\u0148ov\u00e1n\u00ed a m\u016f\u017ee zhor\u0161it p\u0159\u00edznaky IBS, zejm\u00e9na u pacient\u016f s podtypem IBS-D.<\/p>\n Gastrin<\/strong>, hormon vylu\u010dovan\u00fd takzvan\u00fdmi G-bu\u0148kami v \u017ealudku, zp\u016fsobuje uvol\u0148ov\u00e1n\u00ed kyseliny chlorovod\u00edkov\u00e9 a tr\u00e1vic\u00edch enzym\u016f, kter\u00e9 zlep\u0161uj\u00ed tr\u00e1ven\u00ed a st\u0159evn\u00ed motilitu (pohyb potravy st\u0159evy). K tomuto \u00fa\u010dinku doch\u00e1z\u00ed po vypit\u00ed k\u00e1vy s kofeinem i bez kofeinu.<\/p>\n [\/et_pb_text][et_pb_image src=“https:\/\/allaboutibs.com\/wp-content\/uploads\/2023\/03\/Release-of-gastrin.jpg“ _builder_version=“4.20.1″ _module_preset=“default“ alt=“Diagram shrnuj\u00edc\u00ed proj\u00edmav\u00e9 \u00fa\u010dinky k\u00e1vy.“ title_text=“Uvol\u0148ov\u00e1n\u00ed gastrinu“ hover_enabled=“0″ sticky_enabled=“0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=“4.20.1″ _module_preset=“default“][et_pb_column _builder_version=“4.20.1″ _module_preset=“default“ type=“4_4″][et_pb_text _builder_version=“4.20.1″ _module_preset=“default“ hover_enabled=“0″ sticky_enabled=“0″]<\/p>\n A\u010dkoli se doporu\u010duje, aby se pacienti s IBS-D vyh\u00fdbali pit\u00ed k\u00e1vy, podtyp IBS-C m\u016f\u017ee m\u00edt z t\u011bchto \u00fa\u010dink\u016f prosp\u011bch. Uk\u00e1zalo se, \u017ee by mohl potenci\u00e1ln\u011b p\u0159isp\u011bt ke zm\u00edrn\u011bn\u00ed z\u00e1cpy, ale pouze v p\u0159\u00edpad\u011b, \u017ee nezp\u016fsobuje jin\u00e9 probl\u00e9my. (2.)<\/p>\n Odpov\u011b\u010f na tuto ot\u00e1zku nen\u00ed jednoduch\u00e1. A\u010dkoli je k\u00e1va v sou\u010dasn\u00e9 dob\u011b na seznamu mnoha spou\u0161t\u011b\u010d\u016f, kter\u00fdm by se pacienti s IBS m\u011bli vyh\u00fdbat, v ned\u00e1vno publikovan\u00e9 studii International Journal of Epidemiology bylo zji\u0161t\u011bno, \u017ee jej\u00ed konzumace m\u016f\u017ee z dlouhodob\u00e9ho hlediska sni\u017eovat riziko IBS. Studie proveden\u00e1 u t\u00e9m\u011b\u0159 p\u016fl milionu obyvatel Spojen\u00e9ho kr\u00e1lovstv\u00ed uk\u00e1zala, \u017ee vy\u0161\u0161\u00ed konzumace k\u00e1vy skute\u010dn\u011b sni\u017euje riziko IBS a\u017e o 19 %. Existuje n\u011bkolik mo\u017en\u00fdch vysv\u011btlen\u00ed.<\/p>\n Zjistilo se, \u017ee kofein v kombinaci s dal\u0161\u00edmi slou\u010deninami obsa\u017een\u00fdmi v k\u00e1v\u011b (nap\u0159. chlorogenov\u00fdmi kyselinami) sni\u017euje z\u00e1n\u011bt v t\u011ble. Z\u00e1n\u011bt je spojen s bolestmi b\u0159icha, \u00fazkost\u00ed a poruchami n\u00e1lady. (1.) Existuj\u00ed i dal\u0161\u00ed \u00fa\u010dinn\u00e9 zp\u016fsoby boje proti z\u00e1n\u011btu, mezi kter\u00e9 pat\u0159\u00ed spr\u00e1vn\u00e1 strava, pravideln\u00e9 cvi\u010den\u00ed a men\u0161\u00ed vystaven\u00ed stresu.<\/p>\n Melanoidiny<\/strong> jsou slou\u010deniny vznikaj\u00edc\u00ed p\u0159i pra\u017een\u00ed. Tyto slou\u010deniny maj\u00ed n\u011bkolik prosp\u011b\u0161n\u00fdch vlastnost\u00ed. Sni\u017euj\u00ed krevn\u00ed tlak, tlum\u00ed z\u00e1n\u011bty a br\u00e1n\u00ed r\u016fstu patogenn\u00edch bakteri\u00ed. Mno\u017estv\u00ed melanoidin\u016f v\u0161ak z\u00e1vis\u00ed na podm\u00ednk\u00e1ch pra\u017een\u00ed a kvalit\u011b k\u00e1vy. (4.)<\/p>\n Ve studii proveden\u00e9 ve \u0160v\u00fdcarsku bylo zji\u0161t\u011bno, \u017ee zv\u00fd\u0161en\u00e1 konzumace k\u00e1vy po dobu 3 t\u00fddn\u016f zvy\u0161uje diverzitu st\u0159evn\u00edch mikrob\u016f. Je dob\u0159e zn\u00e1mo, \u017ee st\u0159evn\u00ed dysbi\u00f3za (nerovnov\u00e1ha mezi „dobr\u00fdmi“ a „\u0161patn\u00fdmi“ st\u0159evn\u00edmi bakteriemi) p\u0159isp\u00edv\u00e1 k rozvoji IBS. Zd\u00e1 se, \u017ee slo\u017eky k\u00e1vy, jako jsou polyfenoly a vl\u00e1knina, stimuluj\u00ed r\u016fst „dobr\u00fdch“ bakteri\u00ed ve st\u0159evech, p\u0159ev\u00e1\u017en\u011b bakteri\u00ed, kter\u00e9 se vyskytuj\u00ed v potrav\u011b. Bifidobakterie. Bifidobakterie <\/em>se u pacient\u016f se z\u00e1cpou \u010dasto vyskytuj\u00ed v men\u0161\u00edm mno\u017estv\u00ed. Bylo tak\u00e9 zji\u0161t\u011bno, \u017ee k\u00e1va s kofeinem m\u016f\u017ee potla\u010dovat r\u016fst patogenn\u00edch bakteri\u00ed ve st\u0159evech, jako je E. coli<\/em>. (2.)<\/p>\n Tryptofan<\/strong> je esenci\u00e1ln\u00ed aminokyselina (vyskytuje se tak\u00e9 v mase, ml\u00e9\u010dn\u00fdch v\u00fdrobc\u00edch, o\u0159e\u0161\u00edch atd.), kterou je t\u0159eba z\u00edsk\u00e1vat ze stravy. Tryptofan je mimo jin\u00e9 d\u016fle\u017eit\u00fd pro synt\u00e9zu serotoninu. (5.) Serotonin je hormon, kter\u00fd \u0159\u00edd\u00ed n\u00e1ladu a mozkov\u00e9 funkce. P\u0159ibli\u017en\u011b 95 % serotoninu se vytv\u00e1\u0159\u00ed ve st\u0159evech a m\u00e1 z\u00e1sadn\u00ed v\u00fdznam pro spr\u00e1vnou funkci st\u0159ev. Ovliv\u0148uje, jak rychle se j\u00eddlo pohybuje st\u0159evy nebo jak jsou st\u0159eva citliv\u00e1 na bolest. Lid\u00e9 s podtypem IBS-C maj\u00ed obvykle ni\u017e\u0161\u00ed hladinu serotoninu a naopak lid\u00e9 s IBS-D maj\u00ed hladinu serotoninu zv\u00fd\u0161enou. St\u00e1le nen\u00ed jasn\u00e9 pro\u010d. (4.)<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=“4.20.1″ _module_preset=“default“][et_pb_column _builder_version=“4.20.1″ _module_preset=“default“ type=“4_4″][et_pb_image src=“https:\/\/allaboutibs.com\/wp-content\/uploads\/2023\/03\/Melanoidins-in-roasted-coffee-beans.jpg“ _builder_version=“4.20.1″ _module_preset=“default“ alt=“Slou\u010deniny obsa\u017een\u00e9 v k\u00e1v\u011b“ title_text=“Melanoidiny v pra\u017een\u00fdch k\u00e1vov\u00fdch zrnech“ hover_enabled=“0″ sticky_enabled=“0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=“1″ theme_builder_area=“post_content“ _builder_version=“4.20.1″ _module_preset=“default“][et_pb_row _builder_version=“4.20.1″ _module_preset=“default“ theme_builder_area=“post_content“][et_pb_column _builder_version=“4.20.1″ _module_preset=“default“ type=“4_4″ theme_builder_area=“post_content“][et_pb_text _builder_version=“4.20.1″ _module_preset=“default“ theme_builder_area=“post_content“ hover_enabled=“0″ sticky_enabled=“0″]<\/p>\n K\u00e1va je zaj\u00edmavou sm\u011bs\u00ed n\u011bkolika slou\u010denin, jejich\u017e \u00fa\u010dinky se li\u0161\u00ed podle toho, odkud poch\u00e1z\u00ed nebo jak byla zpracov\u00e1na. Je obl\u00edben\u00fdm n\u00e1pojem ve v\u0161ech zem\u00edch a mnoh\u00e9 jeho vlastnosti jsou pro sou\u010dasnou v\u011bdu st\u00e1le z\u00e1hadou. Proto se \u010dasto mluv\u00ed o „k\u00e1vov\u00e9m paradoxu“. Zd\u00e1 se nap\u0159\u00edklad, \u017ee k\u00e1va sni\u017euje riziko vysok\u00e9ho krevn\u00edho tlaku, ale kofein s\u00e1m o sob\u011b krevn\u00ed tlak zvy\u0161uje. (5.) A\u010dkoli se tedy zd\u00e1, \u017ee k\u00e1va n\u011bkter\u00e9 lidi chr\u00e1n\u00ed, pro jin\u00e9 m\u016f\u017ee b\u00fdt spou\u0161t\u011b\u010dem IBS. Pokud ji nechcete \u00fapln\u011b vy\u0159adit, doporu\u010dujeme vyzkou\u0161et elimina\u010dn\u00ed dietu a pomalu k\u00e1vu znovu zav\u00e1d\u011bt v mno\u017estv\u00ed, kter\u00e9 nevede ke zhor\u0161en\u00ed p\u0159\u00edznak\u016f. Nedoporu\u010duje se v\u0161ak konzumovat v\u00edce ne\u017e 1,5 dl t\u0159ikr\u00e1t denn\u011b.<\/p>\n <\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":" Rann\u00ed \u0161\u00e1lek k\u00e1vy je v mnoha dom\u00e1cnostech po cel\u00e9m sv\u011bt\u011b neodmyslitelnou sou\u010d\u00e1st\u00ed dne. Tento n\u00e1poj hrd\u011b nese ozna\u010den\u00ed „obl\u00edben\u00fd n\u00e1poj civilizovan\u00e9ho sv\u011bta“ a mnoho lid\u00ed si ka\u017ed\u00fd den dop\u0159eje \u0161\u00e1lek nebo dva (nebo p\u011bt a v\u00edce). Je obl\u00edben\u00fd zejm\u00e9na pro svou schopnost sni\u017eovat \u00fanavu a zlep\u0161ovat kognitivn\u00ed funkce. Tuto v\u00fdhodu lze p\u0159i\u010d\u00edst kofeinu, hlavn\u00ed slou\u010denin\u011b […]<\/p>\n","protected":false},"author":10,"featured_media":38927,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[324],"tags":[395,332,391,397,392,401,393,394],"class_list":["post-38917","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lecba","tag-doporuceni","tag-ibs-cs","tag-kava-cs","tag-kofein-cs","tag-spotreba-kavy-cs","tag-vyhody-cs","tag-vyhody-kavy-cs","tag-zanet","et-has-post-format-content","et_post_format-et-post-format-standard"],"yoast_head":"\nJak k\u00e1va ovliv\u0148uje tr\u00e1ven\u00ed?<\/h2>\n
Stimuluje st\u0159evn\u00ed motilitu.<\/h3>\n
Stimuluje tak\u00e9 sekreci gastrinu.<\/h3>\n
<\/ol>\n
Je lep\u0161\u00ed se mu zcela vyhnout?<\/h2>\n
K\u00e1va m\u00e1 protiz\u00e1n\u011btliv\u00e9 \u00fa\u010dinky<\/h3>\n
Pra\u017een\u00e1 k\u00e1va obsahuje melanoidiny<\/h3>\n
Polyfenoly a vl\u00e1knina obsa\u017een\u00e9 v k\u00e1v\u011b pom\u00e1haj\u00ed obnovit st\u0159evn\u00ed mikrofl\u00f3ru<\/h3>\n
Je dobr\u00fdm zdrojem tryptofanu.<\/h3>\n
<\/ol>\n
Souhrn<\/h2>\n
Odkazy<\/h2>\n
\n