{"id":11027,"date":"2026-04-25T07:11:40","date_gmt":"2026-04-25T07:11:40","guid":{"rendered":"https:\/\/www.rady-ch.top\/?p=11027"},"modified":"2026-04-25T07:11:41","modified_gmt":"2026-04-25T07:11:41","slug":"vytahl-jsem-sunku-z-chladnicky-a-vsiml-jsem-si-na-platcich-duhoveho-lesku-je-to-normalni","status":"publish","type":"post","link":"https:\/\/www.rady-ch.top\/?p=11027","title":{"rendered":"Vyt\u00e1hl jsem \u0161unku z chladni\u010dky a v\u0161iml jsem si na pl\u00e1tc\u00edch duhov\u00e9ho lesku. Je to norm\u00e1ln\u00ed?"},"content":{"rendered":"\n

To je skv\u011bl\u00e1 ot\u00e1zka! Mo\u017en\u00e1 v\u00e1s to uklidn\u00ed, ale ten duhov\u00fd nebo perle\u0165ov\u00fd lesk<\/strong> na \u0161unce je u masn\u00fdch v\u00fdrobk\u016f v naprost\u00e9 v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f naprosto ne\u0161kodn\u00fd jev. Nen\u00ed to zn\u00e1mka toho, \u017ee by se maso zkazilo nebo \u017ee by v n\u011bm byly chemik\u00e1lie.<\/p>\n\n\n\n

Zde je vysv\u011btlen\u00ed, co se vlastn\u011b d\u011bje:<\/p>\n\n\n\n

Fyzika m\u00edsto chemie<\/h3>\n\n\n\n

Nejde o pl\u00edse\u0148 ani o “ropnou skvrnu”, ale o optick\u00fd jev zvan\u00fd difrakce (ohyb) sv\u011btla<\/strong>.<\/p>\n\n\n\n

    \n
  1. Struktura svaloviny:<\/strong> Maso se skl\u00e1d\u00e1 z t\u011bsn\u011b uspo\u0159\u00e1dan\u00fdch svalov\u00fdch vl\u00e1ken. Kdy\u017e se \u0161unka roz\u0159\u00edzne (zejm\u00e9na velmi ostr\u00fdm no\u017eem nebo strojem) kolmo na tato vl\u00e1kna, odhal\u00ed se jejich konce.<\/li>\n\n\n\n
  2. Odraz sv\u011btla:<\/strong> Svalov\u00e1 vl\u00e1kna obsahuj\u00ed \u017eelezo, tuk a dal\u0161\u00ed prvky. Kdy\u017e na tento specifick\u00fd povrch dopadne sv\u011btlo, odraz\u00ed se od vlhk\u00fdch konc\u016f vl\u00e1ken a rozlo\u017e\u00ed se na barvy spektra \u2013 podobn\u011b jako kdy\u017e sv\u00edt\u00edte na CD nebo kdy\u017e vid\u00edte duhu v m\u00fddlov\u00e9 bublin\u011b.<\/li>\n\n\n\n
  3. Slan\u00fd n\u00e1lev:<\/strong> Tento efekt je v\u00fdrazn\u011bj\u0161\u00ed u uzen\u00e9ho nebo nakl\u00e1dan\u00e9ho masa, proto\u017ee s\u016fl a dusi\u010dnany (pou\u017e\u00edvan\u00e9 p\u0159i konzervaci) ovliv\u0148uj\u00ed vlhkost a strukturu vl\u00e1ken, co\u017e odraz sv\u011btla je\u0161t\u011b zesiluje.<\/li>\n<\/ol>\n\n\n\n
    \n\n\n\n

    Kdy byste m\u011bli b\u00fdt naopak na pozoru?<\/h3>\n\n\n\n

    I kdy\u017e je duhov\u00fd lesk norm\u00e1ln\u00ed, existuj\u00ed jin\u00e9 znaky, kter\u00e9 zna\u010d\u00ed, \u017ee \u0161unka pat\u0159\u00ed do ko\u0161e:<\/p>\n\n\n\n

    Znak<\/strong><\/td>Co to znamen\u00e1?<\/strong><\/td><\/tr><\/thead>
    Z\u00e1pach<\/strong><\/td>Pokud \u0161unka p\u00e1chne kysele, \u010dpavkov\u011b nebo prost\u011b “divn\u011b”, nejezte ji.<\/td><\/tr>
    Povrch<\/strong><\/td>Je \u0161unka na dotek extr\u00e9mn\u011b slizk\u00e1 nebo lepkav\u00e1 (v\u00edc ne\u017e jen p\u0159irozen\u011b vlhk\u00e1)? To je pr\u00e1ce bakteri\u00ed.<\/td><\/tr>
    Barva<\/strong><\/td>Duhov\u00e1 je v po\u0159\u00e1dku, ale \u0161ed\u00e9, nazelenal\u00e9 nebo bl\u00e1tiv\u00e9 odst\u00edny<\/strong> (bez kovov\u00e9ho lesku) jsou jasn\u00fdm stopkou.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Verdikt:<\/strong> Pokud va\u0161e \u0161unka von\u00ed \u010derstv\u011b a nen\u00ed slizk\u00e1, ten “duhov\u00fd kab\u00e1tek” je jen fascinuj\u00edc\u00ed fyzik\u00e1ln\u00ed \u00fakaz a m\u016f\u017eete si ji bez obav d\u00e1t.<\/p>\n\n\n\n

    M\u011bl jste k t\u00e9 \u0161unce v pl\u00e1nu i ten z\u00e1zvorov\u00fd lektvar, o kter\u00e9m jsme mluvili, nebo to jsou dv\u011b odd\u011blen\u00e9 akce v kuchyni?<\/p>\n","protected":false},"excerpt":{"rendered":"

    To je skv\u011bl\u00e1 ot\u00e1zka! Mo\u017en\u00e1 v\u00e1s to uklidn\u00ed, ale ten duhov\u00fd nebo perle\u0165ov\u00fd lesk na \u0161unce je u masn\u00fdch v\u00fdrobk\u016f v naprost\u00e9 v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f naprosto ne\u0161kodn\u00fd jev. Nen\u00ed to zn\u00e1mka […]<\/p>\n","protected":false},"author":4,"featured_media":11028,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-11027","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recepty"],"yoast_head":"\nVyt\u00e1hl jsem \u0161unku z chladni\u010dky a v\u0161iml jsem si na pl\u00e1tc\u00edch duhov\u00e9ho lesku. Je to norm\u00e1ln\u00ed? - Recept\u00e1\u0159<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rady-ch.top\/?p=11027\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vyt\u00e1hl jsem \u0161unku z chladni\u010dky a v\u0161iml jsem si na pl\u00e1tc\u00edch duhov\u00e9ho lesku. Je to norm\u00e1ln\u00ed? - Recept\u00e1\u0159\" \/>\n<meta property=\"og:description\" content=\"To je skv\u011bl\u00e1 ot\u00e1zka! Mo\u017en\u00e1 v\u00e1s to uklidn\u00ed, ale ten duhov\u00fd nebo perle\u0165ov\u00fd lesk na \u0161unce je u masn\u00fdch v\u00fdrobk\u016f v naprost\u00e9 v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f naprosto ne\u0161kodn\u00fd jev. 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