{"id":735,"date":"2026-03-24T19:17:08","date_gmt":"2026-03-24T19:17:08","guid":{"rendered":"https:\/\/www.pivovarlimitededition.cz\/?page_id=735"},"modified":"2026-04-04T16:12:11","modified_gmt":"2026-04-04T16:12:11","slug":"zrani-a-dokvasovani-piva","status":"publish","type":"page","link":"https:\/\/www.pivovarlimitededition.cz\/?page_id=735","title":{"rendered":"Zr\u00e1n\u00ed a dokva\u0161ov\u00e1n\u00ed piva"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\ud83c\udf7a Co je zr\u00e1n\u00ed a dokva\u0161ov\u00e1n\u00ed piva<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zr\u00e1n\u00ed (le\u017een\u00ed) a dokva\u0161ov\u00e1n\u00ed jsou z\u00e1v\u011bre\u010dn\u00e9 f\u00e1ze v\u00fdroby piva, b\u011bhem kter\u00fdch se mlad\u00e9 pivo stabilizuje, dozr\u00e1v\u00e1 a z\u00edsk\u00e1v\u00e1 sv\u016fj fin\u00e1ln\u00ed charakter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Po hlavn\u00edm kva\u0161en\u00ed pivo je\u0161t\u011b nen\u00ed hotov\u00e9 \u2013 obsahuje zbytkov\u00e9 kvasnice, vedlej\u0161\u00ed produkty kva\u0161en\u00ed a nevyv\u00e1\u017een\u00e9 chut\u011b. Pr\u00e1v\u011b b\u011bhem zr\u00e1n\u00ed se tyto nedostatky postupn\u011b vyhlazuj\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd2c Co se d\u011bje p\u0159i zr\u00e1n\u00ed piva<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u011bhem zr\u00e1n\u00ed prob\u00edhaj\u00ed pomalej\u0161\u00ed, ale z\u00e1sadn\u00ed procesy:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>dokva\u0161ov\u00e1n\u00ed zbytkov\u00fdch cukr\u016f<\/strong><\/li>\n\n\n\n<li><strong>p\u0159irozen\u00e9 nasycen\u00ed CO\u2082<\/strong><\/li>\n\n\n\n<li><strong>odbour\u00e1v\u00e1n\u00ed ne\u017e\u00e1douc\u00edch l\u00e1tek (nap\u0159. diacetylu)<\/strong><\/li>\n\n\n\n<li><strong>usazov\u00e1n\u00ed kvasnic a kal\u016f<\/strong><\/li>\n\n\n\n<li><strong>zaoblen\u00ed chuti a v\u016fn\u011b<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 V\u00fdsledkem je \u010dist\u00e9, harmonick\u00e9 a stabiln\u00ed pivo.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udf21\ufe0f Teplota zr\u00e1n\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zr\u00e1n\u00ed prob\u00edh\u00e1 p\u0159i n\u00edzk\u00e9 teplot\u011b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>le\u017e\u00e1ky: cca <strong>0\u20132 \u00b0C<\/strong><\/li>\n\n\n\n<li>svrchn\u011b kva\u0161en\u00e1 piva: obvykle <strong>vy\u0161\u0161\u00ed teploty nebo krat\u0161\u00ed zr\u00e1n\u00ed<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 N\u00edzk\u00e1 teplota zpomaluje procesy, ale zlep\u0161uje kvalitu v\u00fdsledn\u00e9ho piva.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u23f1\ufe0f Jak dlouho trv\u00e1 zr\u00e1n\u00ed<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>le\u017e\u00e1ky: <strong>n\u011bkolik t\u00fddn\u016f a\u017e m\u011bs\u00edc\u016f<\/strong><\/li>\n\n\n\n<li>svrchn\u011b kva\u0161en\u00e1 piva: <strong>dny a\u017e t\u00fddny<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Obecn\u011b plat\u00ed: \u010d\u00edm d\u00e9le pivo zraje, t\u00edm je chu\u0165 kulat\u011bj\u0161\u00ed a vyv\u00e1\u017een\u011bj\u0161\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2699\ufe0f Dokva\u0161ov\u00e1n\u00ed a tlak<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u011bhem zr\u00e1n\u00ed doch\u00e1z\u00ed k p\u0159irozen\u00e9mu nasycen\u00ed piva oxidem uhli\u010dit\u00fdm:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>v uzav\u0159en\u00fdch n\u00e1dob\u00e1ch se CO\u2082 rozpou\u0161t\u00ed v pivu<\/li>\n\n\n\n<li>vznik\u00e1 p\u0159irozen\u00fd \u0159\u00edz a p\u011bnivost<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Spr\u00e1vn\u00e1 pr\u00e1ce s tlakem je d\u016fle\u017eit\u00e1 pro v\u00fdsledn\u00e9 nasycen\u00ed a dobrou p\u011bnivost piva<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\uddca \u010cirost a stabilita piva<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zr\u00e1n\u00ed m\u00e1 z\u00e1sadn\u00ed vliv na vzhled piva:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>kvasnice a b\u00edlkoviny se postupn\u011b usazuj\u00ed<\/li>\n\n\n\n<li>pivo se \u010dist\u00ed a stabilizuje<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 V\u00fdsledkem je \u010dir\u00e9 a senzoricky vyv\u00e1\u017een\u00e9 pivo.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u26a0\ufe0f Nej\u010dast\u011bj\u0161\u00ed chyby p\u0159i zr\u00e1n\u00ed<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>p\u0159\u00edli\u0161 kr\u00e1tk\u00e9 zr\u00e1n\u00ed<\/li>\n\n\n\n<li>vysok\u00e1 teplota<\/li>\n\n\n\n<li>nedostate\u010dn\u00fd nebo naopak p\u0159\u00edli\u0161 vysok\u00fd tlak<\/li>\n\n\n\n<li>manipulace s pivem &#8211; kontakt se vzduchem (oxidace)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Z\u00e1kladn\u00ed pravidlo: <strong>zr\u00e1n\u00ed nelze usp\u011bchat \u2013 \u010das je kl\u00ed\u010dov\u00e1 surovina.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\udde0 Zr\u00e1n\u00ed piva v praxi<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V dom\u00e1c\u00edch podm\u00ednk\u00e1ch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>dozr\u00e1v\u00e1n\u00ed v sudech nebo lahv\u00edch<\/li>\n\n\n\n<li>chladn\u00e9 prost\u0159ed\u00ed (lednice, sklep)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V profesion\u00e1ln\u00edch pivovarech:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>le\u017e\u00e1ck\u00e9 tanky<\/li>\n\n\n\n<li>p\u0159esn\u011b \u0159\u00edzen\u00e1 teplota i tlak<\/li>\n\n\n\n<li>mo\u017enost dlouhodob\u00e9ho zr\u00e1n\u00ed<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd17 Souvisej\u00edc\u00ed pojmy<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.pivovarlimitededition.cz\/?page_id=732\">[Hlavn\u00ed kva\u0161en\u00ed]<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.pivovarlimitededition.cz\/?page_id=729\">[Chlazen\u00ed mladiny]<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.pivovarlimitededition.cz\/?page_id=675\">[Kvasnice]<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2753 Nej\u010dast\u011bj\u0161\u00ed ot\u00e1zky<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pro\u010d je zr\u00e1n\u00ed piva d\u016fle\u017eit\u00e9?<\/strong><br>Proto\u017ee se b\u011bhem n\u011bj stabilizuje chu\u0165, odstran\u00ed ne\u017e\u00e1douc\u00ed l\u00e1tky a pivo se p\u0159irozen\u011b nasyt\u00ed CO\u2082.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Jak dlouho by m\u011bl le\u017e\u00e1k zr\u00e1t?<\/strong><br>Obvykle n\u011bkolik t\u00fddn\u016f, tradi\u010dn\u011b i d\u00e9le.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u016f\u017ee b\u00fdt pivo hotov\u00e9 bez zr\u00e1n\u00ed?<\/strong><br>Technicky ano, ale kvalita a chu\u0165 budou v\u00fdrazn\u011b hor\u0161\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udc49 Shrnut\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zr\u00e1n\u00ed a dokva\u0161ov\u00e1n\u00ed jsou fin\u00e1ln\u00ed f\u00e1ze, kter\u00e9 d\u00e1vaj\u00ed pivu jeho v\u00fdslednou podobu.<br>Pr\u00e1v\u011b zde se rozhoduje o tom, jestli bude pivo nevyv\u00e1\u017een\u00e9 a hrub\u00e9, nebo naopak hladk\u00e9, \u010dist\u00e9 a harmonick\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83c\udf7a Co je zr\u00e1n\u00ed a dokva\u0161ov\u00e1n\u00ed piva Zr\u00e1n\u00ed (le\u017een\u00ed) a dokva\u0161ov\u00e1n\u00ed jsou z\u00e1v\u011bre\u010dn\u00e9 f\u00e1ze v\u00fdroby piva, b\u011bhem kter\u00fdch se mlad\u00e9 pivo stabilizuje, dozr\u00e1v\u00e1 a z\u00edsk\u00e1v\u00e1<span class=\"more-link theme-more-link\"><a href=\"https:\/\/www.pivovarlimitededition.cz\/?page_id=735\">Pokra\u010dovat ve \u010dten\u00ed<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["entry","author-pivovarlim","post-735","page","type-page","status-publish"],"_links":{"self":[{"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=\/wp\/v2\/pages\/735","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=735"}],"version-history":[{"count":3,"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=\/wp\/v2\/pages\/735\/revisions"}],"predecessor-version":[{"id":1082,"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=\/wp\/v2\/pages\/735\/revisions\/1082"}],"wp:attachment":[{"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}