{"id":732,"date":"2026-03-24T18:59:50","date_gmt":"2026-03-24T18:59:50","guid":{"rendered":"https:\/\/www.pivovarlimitededition.cz\/?page_id=732"},"modified":"2026-03-31T11:10:18","modified_gmt":"2026-03-31T11:10:18","slug":"hlavni-kvaseni","status":"publish","type":"page","link":"https:\/\/www.pivovarlimitededition.cz\/?page_id=732","title":{"rendered":"Hlavn\u00ed kva\u0161en\u00ed"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\ud83c\udf7a Co je hlavn\u00ed kva\u0161en\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hlavn\u00ed kva\u0161en\u00ed je prvn\u00ed f\u00e1ze kva\u0161en\u00ed p\u0159i v\u00fdrob\u011b piva. Kvasnice p\u0159i n\u011bm intenzivn\u011b p\u0159em\u011b\u0148uj\u00ed cukry obsa\u017een\u00e9 v mladin\u011b na alkohol a oxid uhli\u010dit\u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00e1v\u011b v t\u00e9to f\u00e1zi vznik\u00e1 pivo v prav\u00e9m slova smyslu \u2013 tvo\u0159\u00ed se jeho z\u00e1kladn\u00ed chu\u0165, aroma i charakter.<\/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 hlavn\u00edm kva\u0161en\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Po ochlazen\u00ed mladiny a zakva\u0161en\u00ed, za\u010dnou kvasnice intenzivn\u011b pracovat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>p\u0159em\u011bna cukr\u016f na alkohol (ethanol)<\/strong><\/li>\n\n\n\n<li><strong>tvorba oxidu uhli\u010dit\u00e9ho (CO\u2082)<\/strong><\/li>\n\n\n\n<li><strong>vznik aromatick\u00fdch l\u00e1tek (estery, vy\u0161\u0161\u00ed alkoholy)<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 V\u00fdsledkem je mlad\u00e9 pivo, kter\u00e9 ale je\u0161t\u011b nen\u00ed hotov\u00e9 \u2013 pot\u0159ebuje dozr\u00e1t.<\/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 hlavn\u00edho kva\u0161en\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Teplota m\u00e1 z\u00e1sadn\u00ed vliv na pr\u016fb\u011bh kva\u0161en\u00ed i v\u00fdslednou chu\u0165 piva:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>spodn\u00ed kva\u0161en\u00ed (le\u017e\u00e1ky):<\/strong> cca <strong>8\u201312 \u00b0C<\/strong><\/li>\n\n\n\n<li><strong>svrchn\u00ed kva\u0161en\u00ed (ale):<\/strong> cca <strong>16\u201322 \u00b0C<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Vy\u0161\u0161\u00ed teplota = rychlej\u0161\u00ed kva\u0161en\u00ed, v\u00edce aromat<br>\ud83d\udc49 Ni\u017e\u0161\u00ed teplota = pomalej\u0161\u00ed kva\u0161en\u00ed, \u010dist\u0161\u00ed profil<\/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 hlavn\u00ed kva\u0161en\u00ed<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>le\u017e\u00e1ky: p\u0159ibli\u017en\u011b <strong>7\u201314 dn\u00ed<\/strong><\/li>\n\n\n\n<li>svrchn\u011b kva\u0161en\u00e1 piva: p\u0159ibli\u017en\u011b <strong>3\u20137 dn\u00ed<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e9lka z\u00e1vis\u00ed na:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>typu kvasnic<\/li>\n\n\n\n<li>teplot\u011b<\/li>\n\n\n\n<li>koncentraci mladiny<\/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\">\u2699\ufe0f Pr\u016fb\u011bh hlavn\u00edho kva\u0161en\u00ed<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Lag f\u00e1ze (rozjezd)<\/strong><br>Kvasnice se adaptuj\u00ed na prost\u0159ed\u00ed.<\/li>\n\n\n\n<li><strong>Bou\u0159liv\u00e9 kva\u0161en\u00ed<\/strong><br>Intenzivn\u00ed tvorba CO\u2082 a p\u011bny (kvasn\u00e1 deka).<\/li>\n\n\n\n<li><strong>Dokva\u0161ov\u00e1n\u00ed<\/strong><br>Kva\u0161en\u00ed se zpomaluje, cukry se postupn\u011b vy\u010derp\u00e1vaj\u00ed.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2601\ufe0f Kvasn\u00e1 deka (p\u011bna)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u011bhem kva\u0161en\u00ed se na povrchu vytv\u00e1\u0159\u00ed vrstva p\u011bny \u2013 tzv. <strong>kvasn\u00e1 deka<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>obsahuje kvasnice, b\u00edlkoviny a prysky\u0159ice<\/li>\n\n\n\n<li>chr\u00e1n\u00ed pivo p\u0159ed kontaktem se vzduchem<\/li>\n\n\n\n<li>v tradi\u010dn\u00edm otev\u0159en\u00e9m kva\u0161en\u00ed se ru\u010dn\u011b sb\u00edr\u00e1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Je to p\u0159irozen\u00fd a d\u016fle\u017eit\u00fd znak prob\u00edhaj\u00edc\u00edho kva\u0161en\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udf2c\ufe0f CO\u2082<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i kva\u0161en\u00ed vznik\u00e1 velk\u00e9 mno\u017estv\u00ed oxidu uhli\u010dit\u00e9ho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>v otev\u0159en\u00fdch n\u00e1dob\u00e1ch unik\u00e1 do prostoru<\/li>\n\n\n\n<li>v uzav\u0159en\u00fdch tanc\u00edch se m\u016f\u017ee j\u00edmat pro dal\u0161\u00ed vyu\u017eit\u00ed (v\u011bt\u0161\u00ed pivovary)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Spr\u00e1vn\u00e1 pr\u00e1ce s tlakem ovliv\u0148uje \u0159\u00edz a nasycen\u00ed piva.<\/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 kva\u0161en\u00ed<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0161patn\u00e1 teplota<\/li>\n\n\n\n<li>nedostatek nebo \u0161patn\u00e1 kvalita kvasnic<\/li>\n\n\n\n<li>nedostate\u010dn\u00e9 provzdu\u0161n\u011bn\u00ed mladiny<\/li>\n\n\n\n<li>infekce<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Z\u00e1kladn\u00ed pravidlo: <strong>zdrav\u00e9 kvasnice + spr\u00e1vn\u00e1 teplota = kvalitn\u00ed pivo.<\/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 Hlavn\u00ed kva\u0161en\u00ed 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>plastov\u00e9 nebo nerezov\u00e9 fermentory<\/li>\n\n\n\n<li>\u0159\u00edzen\u00ed teploty pomoc\u00ed lednice nebo termostatu<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V profesion\u00e1ln\u00edch pivovarech:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">otev\u0159en\u00e9 spilky (tradi\u010dn\u00ed v\u00fdroba le\u017e\u00e1k\u016f)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>p\u0159esn\u00e1 kontrola teploty a \u00fabytku extraktu<\/li>\n\n\n\n<li>chlazen\u00ed pl\u00e1\u0161t\u011bm n\u00e1doby<\/li>\n\n\n\n<li>obvykle opakovan\u00e9 nasazov\u00e1n\u00ed pou\u017eit\u00fdch kvasnic<\/li>\n\n\n\n<li>cylindrok\u00f3nick\u00e9 tanky (CKT)<\/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=729\">[Chlazen\u00ed mladiny]<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.pivovarlimitededition.cz\/?page_id=735\">[Zr\u00e1n\u00ed piva]<\/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>Jak pozn\u00e1m, \u017ee kva\u0161en\u00ed prob\u00edh\u00e1 spr\u00e1vn\u011b?<\/strong><br>Tvo\u0159\u00ed se p\u011bna a postupn\u011b kles\u00e1 hustota (\u00fabytek extraktu).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Co mus\u00edm p\u0159i hlavn\u00edm kva\u0161en\u00ed hl\u00eddat?<\/strong><br>V dom\u00e1c\u00edch podm\u00ednk\u00e1ch denn\u011b sleduj teplotu, v\u00fdvoj p\u011bny a v\u016fni, pokud je to mo\u017en\u00e9 i \u00fabytek zd\u00e1nliv\u00e9ho extraktu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Co ovliv\u0148uje chu\u0165 piva p\u0159i kva\u0161en\u00ed?<\/strong><br>P\u0159edev\u0161\u00edm teplota a typ kvasnic.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kdy je hlavn\u00ed kva\u0161en\u00ed hotov\u00e9?<\/strong><br>Kdy\u017e se zastav\u00ed pokles hustoty a aktivita kvasnic se v\u00fdrazn\u011b sn\u00ed\u017e\u00ed, kvasn\u00e1 deka propad\u00e1<\/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\"><br>Pr\u00e1v\u011b zde vznik\u00e1 alkohol, CO\u2082 a velk\u00e1 \u010d\u00e1st chu\u0165ov\u00e9ho profilu. Spr\u00e1vn\u011b \u0159\u00edzen\u00e9 kva\u0161en\u00ed je z\u00e1kladem ka\u017ed\u00e9ho kvalitn\u00edho piva.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83c\udf7a Co je hlavn\u00ed kva\u0161en\u00ed Hlavn\u00ed kva\u0161en\u00ed je prvn\u00ed f\u00e1ze kva\u0161en\u00ed p\u0159i v\u00fdrob\u011b piva. Kvasnice p\u0159i n\u011bm intenzivn\u011b p\u0159em\u011b\u0148uj\u00ed cukry obsa\u017een\u00e9 v mladin\u011b na alkohol<span class=\"more-link theme-more-link\"><a href=\"https:\/\/www.pivovarlimitededition.cz\/?page_id=732\">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-732","page","type-page","status-publish"],"_links":{"self":[{"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=\/wp\/v2\/pages\/732","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=732"}],"version-history":[{"count":3,"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=\/wp\/v2\/pages\/732\/revisions"}],"predecessor-version":[{"id":1074,"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=\/wp\/v2\/pages\/732\/revisions\/1074"}],"wp:attachment":[{"href":"https:\/\/www.pivovarlimitededition.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}