{"id":167420,"date":"2019-08-02T10:46:09","date_gmt":"2019-08-02T09:46:09","guid":{"rendered":"http:\/\/zakrasnejsivimperk.cz\/?p=167420"},"modified":"2019-08-02T10:46:09","modified_gmt":"2019-08-02T09:46:09","slug":"dtest-isotonicke-napoje-mineraly-ci-ionty-nebo-spis-cukr-a-chemie","status":"publish","type":"post","link":"https:\/\/zakrasnejsivimperk.cz\/?p=167420","title":{"rendered":"dTEST: Isotonick\u00e9 n\u00e1poje \u2013 miner\u00e1ly \u010di ionty, nebo sp\u00ed\u0161 cukr a chemie"},"content":{"rendered":"
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Ilustra\u010dn\u00ed foto: pixabay<\/figcaption><\/figure>\n

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Pronikaj\u00ed do reg\u00e1l\u016f b\u011b\u017en\u00fdch supermarket\u016f a \u010dasto se \u201etv\u00e1\u0159\u00ed\u201c nepostradateln\u011b. Jde o produkty, kter\u00e9 obest\u00edr\u00e1 aura drinku nezbytn\u00e9ho ke sportovn\u00ed aktivit\u011b a lep\u0161\u00edm v\u00fdkon\u016fm. V \u010dem spo\u010d\u00edv\u00e1 jejich p\u0159\u00ednos? Spot\u0159ebitelsk\u00fd \u010dasopis dTest prozkoumal nab\u00eddku 21 tzv. isotonick\u00fdch n\u00e1poj\u016f z \u010desk\u00fdch obchod\u016f. N\u011bkter\u00e9 obsahuj\u00ed slo\u017eky, kter\u00fdm bychom se m\u011bli rad\u011bji vyhnout \u2013 nejen ve sportovn\u00edm, ale i b\u011b\u017en\u00e9m \u017eivot\u011b.<\/h6>\n

\"\"\u201eV prv\u00e9 \u0159ad\u011b je pot\u0159eba \u0159\u00edci, \u017ee po hodin\u011b joggingu sta\u010d\u00ed \u010dlov\u011bku k dopln\u011bn\u00ed ztracen\u00fdch miner\u00e1l\u016f zahnat \u017e\u00edze\u0148 vodou, p\u0159\u00edpadn\u011b se naj\u00edst. Pokud v\u0161ak r\u00e1di kupujete n\u00e1poje, kter\u00e9 jsou na prvn\u00ed pohled st\u0159i\u017een\u00e9 na m\u00edru sportovc\u016fm, je dobr\u00e9 v\u011bd\u011bt, jak\u00e9 jsou mezi nimi rozd\u00edly, abyste zbyte\u010dn\u011b nezat\u00ed\u017eili sv\u00e9 zdrav\u00ed \u010di pen\u011b\u017eenku,\u201c<\/em> \u0159\u00edk\u00e1 \u00favodem Hana Hoffmannov\u00e1, \u0161\u00e9fredaktorka spot\u0159ebitelsk\u00e9ho \u010dasopisu dTest.<\/p>\n

Pro v\u00fdb\u011br spr\u00e1vn\u00e9ho sportovn\u00edho n\u00e1poje je z\u00e1sadn\u00ed uv\u00e1\u017eit, k \u010demu v\u00e1m m\u00e1 vlastn\u011b slou\u017eit, a tedy jak\u00e9 slo\u017eky n\u00e1poje jsou pro v\u00e1s d\u016fle\u017eit\u00e9. Zda to je energie ze sacharid\u016f, kterou pot\u0159ebujete doplnit kv\u016fli regeneraci, nebo obsah miner\u00e1ln\u00edch l\u00e1tek, hlavn\u011b sod\u00edku a ho\u0159\u010d\u00edku, kter\u00e9 jste ztratili p\u0159i pocen\u00ed. Pokud chcete nap\u0159\u00edklad pouze doplnit miner\u00e1ln\u00ed l\u00e1tky, pak sta\u010d\u00ed s\u00e1hnout po iontov\u00e9m n\u00e1poji bez energie. N\u011bkter\u00e9 produkty toti\u017e poskytuj\u00ed pouze miner\u00e1ln\u00ed l\u00e1tky v podob\u011b iont\u016f, jin\u00e9 obsahuj\u00ed tak\u00e9 cukr, maltodextrin, frukt\u00f3zu \u010di gluk\u00f3zo-frukt\u00f3zov\u00fd sirup.<\/p>\n

Isotonick\u00e9 n\u00e1poje maj\u00ed stejnou \u201ehustotu\u201c miner\u00e1ln\u00edch l\u00e1tek jako tekutiny v t\u011ble, proto se vst\u0159eb\u00e1vaj\u00ed pomaleji. Lidsk\u00fd pot m\u00e1 v\u0161ak ni\u017e\u0161\u00ed osmolalitu ne\u017e t\u011blesn\u00e9 tekutiny, co\u017e znamen\u00e1, \u017ee ionty spolu s potem tak snadno t\u011blo neopou\u0161t\u011bj\u00ed. Proto pit\u00edm isotonick\u00fdch n\u00e1poj\u016f m\u016f\u017eeme do t\u011bla dod\u00e1vat v\u00edc iont\u016f, ne\u017e se jich ve skute\u010dnosti vyplav\u00ed a ne\u017e je zapot\u0159eb\u00ed. Z toho d\u016fvodu se tento typ n\u00e1poj\u016f doporu\u010duje zejm\u00e9na po intenzivn\u00ed fyzick\u00e9 aktivit\u011b jako sou\u010d\u00e1st regenerace. Prod\u00e1vaj\u00ed se jak v podob\u011b hotov\u00e9ho produktu, kter\u00fd sta\u010d\u00ed jen otev\u0159\u00edt a vyp\u00edt, tak pr\u00e1\u0161kov\u00e9 sm\u011bsi ur\u010den\u00e9 k zalit\u00ed vodou, rozpustn\u00fdch tablet nebo sirup\u016f k na\u0159ed\u011bn\u00ed.<\/p>\n

N\u011bkter\u00e9 sportovn\u00ed limon\u00e1dy v\u0161ak obsahuj\u00ed i ryze nesportovn\u00ed slo\u017eky: n\u00e1hradn\u00ed sladidla, syntetick\u00e1 barviva a konzerva\u010dn\u00ed l\u00e1tky. \u201eBarva n\u00e1poje bezpochyby nem\u00e1 vliv na v\u00fdkonnost sportovce, p\u0159esto v\u00fdrobci sv\u00e9 produkty barv\u00ed, a to v n\u011bkter\u00fdch p\u0159\u00edpadech problematick\u00fdmi azobarvivy. Ta dodaj\u00ed v\u00fdrobku syt\u00fd a dlouhotrvaj\u00edc\u00ed odst\u00edn, sm\u011bj\u00ed se v\u0161ak v potravin\u00e1ch pou\u017e\u00edvat jen omezen\u011b a mohou ovliv\u0148ovat pozornost a \u010dinnost d\u011bt\u00ed. Obsahuj\u00ed je nap\u0159\u00edklad v\u00fdrobky Nutrend UniSport Wild Strawberry, Weider FreshUp, \u010di Oshee For Runners,\u201c<\/em> uv\u00e1d\u00ed Hana Hoffmannov\u00e1 a dod\u00e1v\u00e1: \u201eBrilantn\u00ed mod\u0159 FCF se mezi azobarviva ne\u0159ad\u00ed, p\u0159esto jej neprov\u00e1z\u00ed nejlep\u0161\u00ed pov\u011bst. Nav\u00edc je nutnost jej\u00edho pou\u017eit\u00ed diskutabiln\u00ed. Na image prost\u0159edku k \u010di\u0161t\u011bn\u00ed oken vs\u00e1zej\u00ed nap\u0159\u00edklad produkty Gatorade Cool Blue a Powerade Moubtain Blast.\u201c<\/em><\/p>\n

N\u00e1hradn\u00ed sladidla se pou\u017e\u00edvaj\u00ed k zaji\u0161t\u011bn\u00ed sladk\u00e9 chuti, ani\u017e by z\u00e1rove\u0148 z n\u00e1poje vytvo\u0159ily zdroj rychl\u00e9 energie. Na chu\u0165 sladidel (nej\u010dast\u011bji acesulfamu K a skural\u00f3zy) vsadila v\u00edc ne\u017e polovina zkouman\u00fdch v\u00fdrobk\u016f. Podobn\u011b jako konzerva\u010dn\u00ed potravin\u00e1\u0159sk\u00e1 chemie n\u00e1hradn\u00ed sladidla nikomu akutn\u011b neu\u0161kod\u00ed, ale p\u0159isp\u00edvaj\u00ed do bohat\u00e9ho mixu chemik\u00e1li\u00ed, kter\u00e9mu jsme b\u011bhem dne vystaveni. Na konzervaci sorbanem draseln\u00fdm se spolehly sirupy a n\u00e1poje Nutrend UniSport Wild Strawberry, Survival Ionix Fair Power, Weider FreshUp, Decathlon\/Aptonia Iso Ready to Drink a Oshee For Runners.<\/p>\n

\u201eNevyzpytatelnost koktejlov\u00e9ho efektu zmi\u0148ujeme poka\u017ed\u00e9, kdy\u017e naraz\u00edme na l\u00e1tky, bez kter\u00fdch se v\u00fdrobek m\u016f\u017ee obej\u00edt. B\u011bhem dne vystavujeme sv\u00e9 t\u011blo sm\u011bsi chemick\u00fdch vliv\u016f, o kter\u00fdch nem\u00e1me ani tu\u0161en\u00ed. Proto je lep\u0161\u00ed se t\u011bm, o kter\u00fdch v\u00edme, rad\u011bji vyhnout,<\/em>\u201c uzav\u00edr\u00e1 Hoffmannov\u00e1.<\/p>\n

dTEST<\/strong><\/p>\n

 <\/p>\n

 <\/p>\n

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

  Pronikaj\u00ed <\/p>\n","protected":false},"author":2,"featured_media":167425,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[87],"tags":[],"jetpack_featured_media_url":"https:\/\/zakrasnejsivimperk.cz\/wp-content\/uploads\/2019\/08\/02\/r\u00e1me\u010dek-n\u00e1poje.jpg","_links":{"self":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/167420"}],"collection":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=167420"}],"version-history":[{"count":1,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/167420\/revisions"}],"predecessor-version":[{"id":167424,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/167420\/revisions\/167424"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/media\/167425"}],"wp:attachment":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=167420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=167420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=167420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}