{"id":11639,"date":"2026-05-29T15:40:34","date_gmt":"2026-05-29T15:40:34","guid":{"rendered":"https:\/\/www.rady-ch.top\/?p=11639"},"modified":"2026-05-29T15:40:35","modified_gmt":"2026-05-29T15:40:35","slug":"vcera-jsem-nakrajel-pecene-hovezi-maso-ktere-jsem-pekl-v-troube-a-na-reznem-povrchu-je-zvlastni-leskly-duhovy-lesk-vypada-to-kovove-nebo-jako-olej-i","status":"publish","type":"post","link":"https:\/\/www.rady-ch.top\/?p=11639","title":{"rendered":"V\u010dera jsem nakr\u00e1jel pe\u010den\u00e9 hov\u011bz\u00ed maso, kter\u00e9 jsem pekl v troub\u011b, a na \u0159ezn\u00e9m povrchu je zvl\u00e1\u0161tn\u00ed leskl\u00fd duhov\u00fd lesk. Vypad\u00e1 to kovov\u011b nebo jako olej. I."},"content":{"rendered":"\n

Nemus\u00edte m\u00edt strach, s va\u0161\u00edm hov\u011bz\u00edm masem je s nejv\u011bt\u0161\u00ed pravd\u011bpodobnost\u00ed v\u0161echno v naprost\u00e9m po\u0159\u00e1dku<\/strong>. Ten duhov\u00fd, kovov\u00fd nebo \u201eolejov\u00fd\u201c lesk (\u010dasto do zelena, ruda nebo modra) je pom\u011brn\u011b b\u011b\u017en\u00fd jev, kter\u00fd vystra\u0161\u00ed spoustu kucha\u0159\u016f, ale m\u00e1 \u010dist\u011b v\u011bdeck\u00e9 a zcela ne\u0161kodn\u00e9 vysv\u011btlen\u00ed.<\/p>\n\n\n\n

Nejde o \u017e\u00e1dnou chemii, zka\u017een\u00ed nebo mimozemsk\u00fd z\u00e1sah, ale o fyzik\u00e1ln\u00ed jev zvan\u00fd difrakce (ohyb) sv\u011btla<\/strong>.<\/p>\n\n\n\n

Jak tento duhov\u00fd efekt vznik\u00e1?<\/h2>\n\n\n\n
    \n
  • Struktura svalov\u00fdch vl\u00e1ken:<\/strong> Hov\u011bz\u00ed maso se skl\u00e1d\u00e1 z t\u011bsn\u011b uspo\u0159\u00e1dan\u00fdch pod\u00e9ln\u00fdch svalov\u00fdch vl\u00e1ken. Kdy\u017e maso nakr\u00e1j\u00edte nap\u0159\u00ed\u010d p\u0159es tato vl\u00e1kna (proti srsti), konce vl\u00e1ken vytvo\u0159\u00ed pravideln\u00fd, t\u00e9m\u011b\u0159 dokonale strukturovan\u00fd povrch.<\/li>\n\n\n\n
  • P\u0159\u00edrodn\u00ed m\u0159\u00ed\u017eka:<\/strong> Tento hladk\u00fd, nasekan\u00fd povrch funguje jako takzvan\u00e1 optick\u00e1 m\u0159\u00ed\u017eka (podobn\u011b jako zadn\u00ed strana CD disku nebo k\u0159\u00eddla mot\u00fdl\u016f).<\/li>\n\n\n\n
  • Lom sv\u011btla:<\/strong> Kdy\u017e na tento povrch dopadne sv\u011btlo, neodraz\u00ed se rovnom\u011brn\u011b, ale ohne se a rozd\u011bl\u00ed se na jednotliv\u00e9 barevn\u00e9 slo\u017eky spektra. Vy pak vid\u00edte ten zn\u00e1m\u00fd duhov\u00fd lesk.<\/li>\n\n\n\n
  • \u017delezo a tuk:<\/strong> Maso p\u0159irozen\u011b obsahuje \u017eelezo (v myoglobinu) a tuky. Kdy\u017e se tyto prvky spoj\u00ed s hladk\u00fdm \u0159ezem a vlhkost\u00ed na povrchu masa, duhov\u00fd efekt to je\u0161t\u011b zes\u00edl\u00ed.<\/li>\n<\/ul>\n\n\n\n

    Kdy se to st\u00e1v\u00e1 nej\u010dast\u011bji?<\/h2>\n\n\n\n
      \n
    • U hust\u00fdch sval\u016f<\/strong> s dlouh\u00fdmi, paraleln\u00edmi vl\u00e1kny (typicky hov\u011bz\u00ed zadn\u00ed, hov\u011bz\u00ed plec, ale i uzen\u00e1 \u0161unka nebo vep\u0159ov\u00e1 pe\u010den\u011b).<\/li>\n\n\n\n
    • Kdy\u017e maso nakr\u00e1j\u00edte velmi ostr\u00fdm no\u017eem<\/strong>. Ostr\u00fd n\u016f\u017e vytvo\u0159\u00ed dokonale \u010dist\u00fd a hladk\u00fd \u0159ez, kter\u00fd sv\u011btlo l\u00e1me nejl\u00e9pe. Tup\u00fd n\u016f\u017e vl\u00e1kna potrh\u00e1 a lesk nevznikne.<\/li>\n\n\n\n
    • U solen\u00e9ho, marinovan\u00e9ho nebo uzen\u00e9ho masa<\/strong>, kde s\u016fl a dusi\u010dnany m\u011bn\u00ed strukturu protein\u016f a zadr\u017euj\u00ed vlhkost na povrchu.<\/li>\n<\/ul>\n\n\n\n

      Jak poznat, \u017ee je maso opravdu zka\u017een\u00e9?<\/h2>\n\n\n\n

      Duhov\u00fd lesk s\u00e1m o sob\u011b je zn\u00e1mkou toho, \u017ee maso je \u010derstv\u00e9 a spr\u00e1vn\u011b strukturovan\u00e9. Pokud by bylo maso zka\u017een\u00e9, vypadalo by jinak:<\/p>\n\n\n\n

        \n
      • Povrch:<\/strong> Zka\u017een\u00e9 maso nem\u00e1 kovov\u00fd lesk, ale je pota\u017een\u00e9 slizk\u00fdm, lepkav\u00fdm filmem<\/strong>.<\/li>\n\n\n\n
      • Z\u00e1pach:<\/strong> Pokud maso zap\u00e1ch\u00e1 kysele, po amoniaku nebo prost\u011b nev\u00e1bn\u011b, je na vyhozen\u00ed.<\/li>\n\n\n\n
      • Barva:<\/strong> Zka\u017een\u00e9 maso ztr\u00e1c\u00ed svou zdravou barvu a \u0161edne nebo zelen\u00e1 v cel\u00e9m sv\u00e9m objemu, nejen jako odlesk na sv\u011btle.<\/li>\n<\/ul>\n\n\n\n
        \n

        Verdikt:<\/strong> Pokud pe\u010den\u011b norm\u00e1ln\u011b von\u00ed, m\u00e1 spr\u00e1vnou texturu a byla dob\u0159e skladovan\u00e1 v lednici, m\u016f\u017eete ji bez obav sn\u00edst. Ten lesk je jen \u010dist\u00e1 fyzika v kuchyni!<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"

        Nemus\u00edte m\u00edt strach, s va\u0161\u00edm hov\u011bz\u00edm masem je s nejv\u011bt\u0161\u00ed pravd\u011bpodobnost\u00ed v\u0161echno v naprost\u00e9m po\u0159\u00e1dku. Ten duhov\u00fd, kovov\u00fd nebo \u201eolejov\u00fd\u201c lesk (\u010dasto do zelena, ruda nebo modra) je pom\u011brn\u011b b\u011b\u017en\u00fd […]<\/p>\n","protected":false},"author":4,"featured_media":11640,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-11639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recepty"],"yoast_head":"\nV\u010dera jsem nakr\u00e1jel pe\u010den\u00e9 hov\u011bz\u00ed maso, kter\u00e9 jsem pekl v troub\u011b, a na \u0159ezn\u00e9m povrchu je zvl\u00e1\u0161tn\u00ed leskl\u00fd duhov\u00fd lesk. Vypad\u00e1 to kovov\u011b nebo jako olej. I. - 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=11639\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V\u010dera jsem nakr\u00e1jel pe\u010den\u00e9 hov\u011bz\u00ed maso, kter\u00e9 jsem pekl v troub\u011b, a na \u0159ezn\u00e9m povrchu je zvl\u00e1\u0161tn\u00ed leskl\u00fd duhov\u00fd lesk. Vypad\u00e1 to kovov\u011b nebo jako olej. I. - Recept\u00e1\u0159\" \/>\n<meta property=\"og:description\" content=\"Nemus\u00edte m\u00edt strach, s va\u0161\u00edm hov\u011bz\u00edm masem je s nejv\u011bt\u0161\u00ed pravd\u011bpodobnost\u00ed v\u0161echno v naprost\u00e9m po\u0159\u00e1dku. 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