{"id":6259,"date":"2026-06-28T07:24:11","date_gmt":"2026-06-28T07:24:11","guid":{"rendered":"https:\/\/www.wundertricks.com\/?p=6259"},"modified":"2026-06-28T07:24:11","modified_gmt":"2026-06-28T07:24:11","slug":"az-ked-som-mal-50-rokov-som-sa-dozvedel-preco-je-jedna-strana-folie-matna-a-druha-leskla","status":"publish","type":"post","link":"https:\/\/www.wundertricks.com\/?p=6259","title":{"rendered":"A\u017e ke\u010f som mal 50 rokov, som sa dozvedel, pre\u010do je jedna strana f\u00f3lie matn\u00e1 a druh\u00e1 leskl\u00e1."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Napriek takejto prevalencii sa v\u0161ak mnoh\u00ed nikdy nezam\u00fd\u0161\u013eali nad t\u00fdm, pre\u010do je povrch f\u00f3lie odli\u0161n\u00fd: jedna strana je leskl\u00e1, druh\u00e1 matn\u00e1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Osobne som d\u00f4vod zistil a\u017e po p\u00e4\u0165desiatke a bol som \u0161okovan\u00fd, \u017ee som ho cel\u00fd ten \u010das pou\u017e\u00edval nespr\u00e1vne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ukazuje sa, \u017ee rozdiel medzi oboma stranami nie je len kozmetick\u00fd alebo v\u00fdrobn\u00fd detail. Je to vlastnos\u0165, ktor\u00e1 skuto\u010dne ovplyv\u0148uje proces varenia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V tomto \u010dl\u00e1nku vysvetl\u00edm, ako sa rozdiel medzi povrchmi objavuje, \u010do znamen\u00e1 a kedy pou\u017ei\u0165 jednu alebo druh\u00fa stranu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ako vznikaj\u00fa leskl\u00e9 a matn\u00e9 povrchy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdroba hlin\u00edkovej f\u00f3lie sa zd\u00e1 by\u0165 celkom jednoduch\u00e1, ale existuje jedna d\u00f4le\u017eit\u00e1 nuansa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hlin\u00edkov\u00fd polotovar sa opakovane valcuje na obrovsk\u00fdch valcoch, k\u00fdm sa nestane ultratenk\u00fdm. V kone\u010dnej f\u00e1ze je tak\u00fd tenk\u00fd, \u017ee by ho jedin\u00fd valec jednoducho zlomil.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Preto sa dva listy l\u00e1tky prehn\u00fa k sebe a prevle\u010d\u00fa sa cez valce v p\u00e1roch. V\u00fdsledok je nasledovn\u00fd:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 strana, ktor\u00e1 sa dot\u00fdka val\u010dekov, je vyle\u0161ten\u00e1 a stane sa zrkadlovo hladkou;<br>\u2022 strana, ktor\u00e1 sa dot\u00fdka druhej vrstvy, zost\u00e1va drsn\u00e1 a matn\u00e1, preto\u017ee neprich\u00e1dza do kontaktu s le\u0161tiacim povrchom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To je cel\u00fd d\u00f4vod \u2013 \u017eiadny \u0161peci\u00e1lny dizajn, len technologick\u00e9 vychyt\u00e1vky. Ale odtia\u013eto je to e\u0161te zauj\u00edmavej\u0161ie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ktor\u00e1 strana sa pova\u017euje za \u201espr\u00e1vnu\u201c stranu?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Odpove\u010f z\u00e1vis\u00ed od toho, na akej \u00falohe pracujete.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Pe\u010denie v r\u00fare: m\u00e4so, ryby, zelenina.<br>Leskl\u00fd povrch lep\u0161ie odr\u00e1\u017ea teplo.<br>Matn\u00fd povrch ho naopak lep\u0161ie absorbuje a vedie.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Preto, ak chcete, aby sa va\u0161e jedlo varilo r\u00fdchlej\u0161ie a rovnomernej\u0161ie zohrievalo, umiestnite matn\u00fa stranu smerom k jedlu a leskl\u00fa stranu von.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Toto je obzvl\u00e1\u0161\u0165 u\u017eito\u010dn\u00e9 pri varen\u00ed ve\u013ek\u00fdch kusov m\u00e4sa, r\u00fdb a zemiakov v \u0161upke. T\u00e1to orient\u00e1cia ur\u00fdch\u013euje ohrev a zlep\u0161uje prepe\u010denie.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Ak je d\u00f4le\u017eit\u00e9 zn\u00ed\u017ei\u0165 intenzitu tepla alebo zabr\u00e1ni\u0165 sp\u00e1leniu,<br>umiestnite ho naopak \u2013 lesklou stranou dovn\u00fatra, aby odr\u00e1\u017eal teplo sp\u00e4\u0165 od produktu.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Toto sa rob\u00ed pri pr\u00edprave ch\u00falostiv\u00fdch jed\u00e1l, ktor\u00e9 by nemali r\u00fdchlo zhnedn\u00fa\u0165: zapekan\u00e9 pokrmy, ch\u00falostiv\u00e9 ryby at\u010f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Uskladnenie potrav\u00edn v chladni\u010dke alebo mrazni\u010dke<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V tomto pr\u00edpade nie je \u017eiadny z\u00e1sadn\u00fd rozdiel, ale odborn\u00edci st\u00e1le radia:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 matn\u00e1 strana &#8211; smerom k jedlu,<br>\u2022 leskl\u00e1 strana &#8211; smerom von, aby odr\u00e1\u017eala vonkaj\u0161ie teplo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Takto potraviny zostan\u00fa lep\u0161ie \u010derstv\u00e9 a neabsorbuj\u00fa cudzie pachy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u010eal\u0161ie: lepivos\u0165 a \u00faspora<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Matn\u00fd povrch je mierne drsn\u00fd, tak\u017ee sa na\u0148 jedlo \u013eah\u0161ie prilep\u00ed. Ak je d\u00f4le\u017eit\u00e9 vyhn\u00fa\u0165 sa prilepeniu, je lep\u0161ie pou\u017ei\u0165 leskl\u00fa stranu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A ak potrebujete \u0161peci\u00e1lnu tepeln\u00fa izol\u00e1ciu, m\u00f4\u017eete f\u00f3liu prelo\u017ei\u0165 na polovicu, aby ste z\u00edskali hustej\u0161iu vrstvu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Je tam skuto\u010dn\u00fd rozdiel?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vo v\u00e4\u010d\u0161ine dom\u00e1cnost\u00ed s\u00fa rozdiely medzi stranami sotva badate\u013en\u00e9, najm\u00e4 ak sa varenie vykon\u00e1va pri teplot\u00e1ch pod 200 \u00b0C alebo je jedlo hermeticky uzavret\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ale pri varen\u00ed jed\u00e1l, ktor\u00e9 vy\u017eaduj\u00fa presnos\u0165 \u2013 pe\u010den\u00e9 brav\u010dov\u00e9 m\u00e4so, sous vide, kuracie m\u00e4so \u00e0 la fran\u00e7aise \u2013 v\u00e1m v\u00fdber spr\u00e1vnej strany m\u00f4\u017ee u\u0161etri\u0165 5 \u2013 10 min\u00fat a zlep\u0161i\u0165 text\u00faru jedla.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dozvedel som sa o tom od potravin\u00e1rskeho technol\u00f3ga \u00faplne n\u00e1hodou a bol som ohromen\u00fd &#8211; to\u013eko rokov som n\u00e1hodne pou\u017e\u00edval f\u00f3liu, ani som netu\u0161il, \u017ee m\u00e1 \u201epracovn\u00fa\u201c a \u201epomocn\u00fa\u201c str\u00e1nku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Odvtedy pri pe\u010den\u00ed v\u017edy nasmerujem matn\u00fa stranu dovn\u00fatra \u2013 a skuto\u010dne som si v\u0161imol, \u017ee jedl\u00e1 sa za\u010dali piec\u0165 o nie\u010do r\u00fdchlej\u0161ie a rovnomernej\u0161ie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4\u017ee sa to zda\u0165 ako mali\u010dkos\u0165, ale aj tak to m\u00f4\u017ee ovplyvni\u0165 v\u00fdsledok.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vedeli ste o tom? Alebo ste sa o tom dozvedeli a\u017e teraz?&nbsp;<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Napriek takejto prevalencii sa v\u0161ak mnoh\u00ed nikdy nezam\u00fd\u0161\u013eali nad t\u00fdm, pre\u010do je povrch f\u00f3lie odli\u0161n\u00fd: jedna strana je leskl\u00e1, druh\u00e1 matn\u00e1. Osobne som d\u00f4vod zistil a\u017e po p\u00e4\u0165desiatke a bol [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":6260,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-6259","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recept"],"_links":{"self":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts\/6259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6259"}],"version-history":[{"count":1,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts\/6259\/revisions"}],"predecessor-version":[{"id":6261,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts\/6259\/revisions\/6261"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/media\/6260"}],"wp:attachment":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}