{"id":34651,"date":"2019-10-31T21:59:38","date_gmt":"2019-10-31T18:59:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/o-pive-glazami-himika-chast-4\/"},"modified":"2019-10-31T21:59:38","modified_gmt":"2019-10-31T18:59:38","slug":"o-pive-glazami-himika-chast-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/o-pive-glazami-himika-chast-4","title":{"rendered":"O pive o\u010dami chemika. \u010cas\u0165 4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/6e226b1c00f17007df17565f0575b529.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAhoj, %username%.<\/p>\n<p><noindex>Tretia<\/noindex> \u010cas\u0165 mojho cyklu o pive sa na Habr dostala menej zrete\u013ene ako predch\u00e1dzaj\u00face \u2014 s\u00fadiac pod\u013ea koment\u00e1rov a hodnotenia, tak\u017ee asi u\u017e trochu unavujem svojimi pr\u00edbehmi. Ale ke\u010f\u017ee ukon\u010di\u0165 hist\u00f3riu o komponentoch piva je logick\u00e9 a nevyhnutn\u00e9, pred tebou je \u0161tvrt\u00e1 \u010das\u0165!<\/p>\n<p>Ideme na to.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nAko zvy\u010dajne, na za\u010diatku bude mal\u00fd pivn\u00fd pr\u00edbeh. A tentoraz bude celkom v\u00e1\u017eny. Bude to pr\u00edbeh, ktor\u00fd sa ve\u013emi nepriamo \u2014 ale predsa len \u2014 dot\u00fdka Ve\u013ekej V\u00ed\u0165azstva, ktor\u00e9 z\u00edskali na\u0161i dedovia v roku 1945. A napriek v\u0161etk\u00fdm \u0161pekul\u00e1ci\u00e1m a nezmyslom \u2014 hrd\u00fd som na toto v\u00ed\u0165azstvo.<\/p>\n<p>Bez toho, aby som sa hlboko ponoril, porozpr\u00e1vam o najzauj\u00edmavej\u0161\u00edch faktoch t\u00fdkaj\u00facich sa v\u00fdroby a spotreby piva po\u010das Ve\u013ekej vlasteneckej vojny (\u00fadaje s\u00fa prevzat\u00e9 z verejn\u00fdch zdrojov na internete, ako aj z predn\u00e1\u0161ky pivn\u00e9ho historika Pavla Egorova).<\/p>\n<ul>\n<li>Pivo sa vyr\u00e1balo aj po\u010das vojny. \u00c1no, akoby to bolo divn\u00e9, v\u00fdroba piva po\u010das 2. svetovej vojny sa \u00faplne nezastavila, aj ke\u010f objemy produkcie boli v\u00fdrazne zn\u00ed\u017een\u00e9. Pr\u00ed\u010dina zn\u00ed\u017eenia je jasn\u00e1: v \u0165a\u017ek\u00fdch \u010dasoch pre krajinu boli potrebn\u00e9 zna\u010dn\u00e9 zdroje \u2014 \u013eudsk\u00e9, potravinov\u00e9 a technick\u00e9.<\/li>\n<li>Niektor\u00e9 pivovary za\u010dali vyr\u00e1ba\u0165 such\u00e1re. Mnoh\u00e9 sovietske pivovary sa o\u010dak\u00e1vane preorientovali na v\u00fdrobu d\u00f4le\u017eitej\u0161\u00edch produktov v \u010dase vojny. Napr\u00edklad, leningradsk\u00e9mu z\u00e1vodu \u201eStepan Razin\u201c bol vtedaj\u0161\u00edm ministrom potravin\u00e1rskeho priemyslu tovarom Zotovom stanoven\u00fd normat\u00edv produkcie such\u00e1rov vo v\u00fd\u0161ke 200 ton mesa\u010dne. Trochu sk\u00f4r ten ist\u00fd z\u00e1vod \u201eStepan Razin\u201c spolu so niektor\u00fdmi in\u00fdmi ve\u013ek\u00fdmi pivovarmi dostal pr\u00edkaz zastavi\u0165 v\u00fdrobu piva a v\u0161etky existuj\u00face z\u00e1soby obiln\u00edn odovzda\u0165 na mletie na m\u00faku.<\/li>\n<li>V pr\u00edpade pr\u00edchodu fa\u0161istov do Leningradu ich pl\u00e1novali otr\u00e1vi\u0165 pivom. K decembru 41. roku zost\u00e1valo v suter\u00e9ne toho ist\u00e9ho \u201eStepana Razina\u201c nie\u010do menej ako mili\u00f3n litrov piva, preva\u017ene \u201e\u017digulievsk\u00e9ho\u201c. To bola \u010das\u0165, takzvane, strategick\u00e9ho z\u00e1sobovania, ktor\u00e9 sa malo otr\u00e1vi\u0165, keby sa fa\u0161isti dostali do Leningradu. Diversiou, v pr\u00edpade potreby, mal vykon\u00e1va\u0165 hlavn\u00fd pivovarn\u00edk z\u00e1vodu.<\/li>\n<li>Pivo varili aj po\u010das blok\u00e1dy Leningradu. Leningradsk\u00fd pivovar \u201e\u010cerven\u00e1 Bavorsko\u201c, ak ver\u00edme <noindex><a rel=\"nofollow\" href=\"http:\/\/storage.ning.com\/topology\/rest\/1.0\/file\/get\/2234102898?profile=original\">arch\u00edvnym dokumentom<\/a><\/noindex>, podarilo sa vyrobi\u0165 okolo mili\u00f3n litrov piva na m\u00e1jov\u00e9 sviatky v roku 1942, \u010d\u00edm sa zabezpe\u010dila oslava s pivom pre v\u0161etk\u00fdch obyvate\u013eov Leningradu. \u010cas\u0165 d\u00e1vky va\u0159ili pracovn\u00edci z\u00e1vodu ru\u010dne, preto\u017ee z\u00e1vod tri mesiace nemal elektrinu.<\/li>\n<li>Prv\u00fd De\u0148 v\u00ed\u0165azstva sa oslavoval aj p\u00edvom. 9. m\u00e1ja 1945 sa v\u00ed\u0165azstvo nad fa\u0161istami oslavovalo v\u0161ade: v ZSSR aj v eur\u00f3pskych krajin\u00e1ch, kde e\u0161te zostali na\u0161e vojsk\u00e1. Niekto, samozrejme, osl\u00e1vil ve\u013ek\u00fa udalos\u0165 vodkou, in\u00ed zas pivom: konkr\u00e9tne vojaci \u010cervenej arm\u00e1dy nach\u00e1dzaj\u00faci sa v tom \u010dase v \u010ceskoslovensku oslavovali v\u00ed\u0165azstvo miestnym pivom (pozri foto na za\u010diatku tohto \u010dl\u00e1nku).<\/li>\n<li>Sl\u00e1vny dnes Lidsk\u00fd pivovar vyr\u00e1bal pivo pre Wehrmacht. Stalo sa to, samozrejme, nie z v\u00f4le vlastn\u00edkov z\u00e1vodu: po\u010das fa\u0161istickej okup\u00e1cie pre\u0161lo v\u00fdrobnou spr\u00e1vou pod nemeck\u00fa kontrolu, ktor\u00e1 tam spustila v\u00fdrobu piva pre nacistick\u00fdch vojakov. Samozrejme, miestni obyvatelia bielorusk\u00e9ho mesta Lida a bl\u00edzkych regi\u00f3nov toto pivo nepili, preto\u017ee v\u0161etky d\u00e1vky boli rozdelen\u00e9 medzi nemeck\u00e9 vojensk\u00e9 jednotky dislokovan\u00e9 v t\u00fdch oblastiach.<\/li>\n<li>Pivo pre nacistov varili \u017didia. Zauj\u00edmav\u00e9 je, \u017ee za fungovanie z\u00e1vodu zodpovedal in\u017einier z SS Joachim Lochbiller, ktor\u00fd, navzdory zn\u00e1mych poriadkom tej doby, nielen\u017ee zapojil do v\u00fdroby piva \u017didov, ale aj ich akt\u00edvne chr\u00e1nil pred in\u00fdmi eses\u00e1kmi. V istom momente dokonca varoval svojich podriaden\u00fdch pred hrozbou smrti a potrebou utiec\u0165. V septembri 1943 zav\u00edtali do z\u00e1vodu eses\u00e1ci a zatkli v\u0161etk\u00fdch \u017didov, obvi\u0148uj\u00fac ich z otravy piva. Ne\u0161\u0165astn\u00edkov nalo\u017eili do vlaku, ale na ceste niektor\u00ed rukojemn\u00edci dok\u00e1zali vysko\u010di\u0165 z vlaku: medzi t\u00fdmi, ktor\u00ed nakoniec unikli pred nacistami, boli aj p\u00f4vodn\u00ed vlastn\u00edci Lidsk\u00e9ho pivovaru \u2014 Mark a Semen Pupkov.<\/li>\n<li>Obsaden\u00e1 \u010das\u0165 Nemecka varila pivo pre ZSSR. Objedn\u00e1vate\u013emi t\u00fdchto varn\u00ed boli Sovietske vojensk\u00e9 sily v Nemecku. Zachovali sa dokonca aj ruskojazy\u010dn\u00e9 etikety tak\u00e9hoto piva. Ko\u013eko st\u00e1lo toto pivo, komu sa dostalo a ak\u00e9 bolo chutn\u00e9 \u2014 tieto fakty, \u017eia\u013e, hist\u00f3ria nezaznamenala.<br \/>\n <img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/a2b8af19aa265ca49847f7beb27cedd6.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/li>\n<li>Medzi vojensk\u00fdmi trofejami bolo aj nemeck\u00e9 pivovarn\u00edcke zariadenie. V r\u00e1mci n\u00e1hrady za \u0161kodu sp\u00f4soben\u00fa nacistick\u00fdm Nemeckom a jeho spojencami bolo ZSSR odovzdan\u00e9, okrem in\u00e9ho, zariadenie jedn\u00e9ho ve\u013ek\u00e9ho pivovaru v Berl\u00edne. Toto trofejn\u00e9 zariadenie bolo in\u0161talovan\u00e9 v pivovare Stepan Razin. Podobn\u00fdm trofejn\u00fdm '\u017eelezom' sa obohatil aj moskovsk\u00fd pivovar v Chavonnikoch.<br \/>\n <img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/ae2f4102ee1ec473ac20e4037a231c43.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/li>\n<li>Po druhej svetovej vojne bol prijat\u00fd \u0161tandard na pivo, ktor\u00fd plat\u00ed dodnes. GOST 3473-46 bol prijat\u00fd v roku 1946 a, s nieko\u013ek\u00fdmi zmenami, pre\u017eil a\u017e na sam\u00fd koniec 20. storo\u010dia, po ktorom bol nahraden\u00fd nov\u0161\u00edm, hoci nie najmodernej\u0161\u00edm \u0161tandardom. O \u0148om sa ur\u010dite porozpr\u00e1vame osobitne.<\/li>\n<\/ul>\n<p>\nA teraz sa vr\u00e1\u0165me k na\u0161im ingredienci\u00e1m. Ost\u00e1va posledn\u00e1 a to je \u2014 <\/p>\n<h4>Pr\u00edsady.<\/h4>\n<p>\nZa\u010dnem svoj pr\u00edbeh o pr\u00edsad\u00e1ch t\u00fdm, \u017ee form\u00e1lne by nemali by\u0165 v pive. A v skuto\u010dnosti s\u00fa v ka\u017edom. A v\u00f4bec nezhor\u0161uj\u00fa ani chu\u0165, ani kvalitu, ani hodnotu n\u00e1poja \u2014 len odha\u013euj\u00fa niektor\u00e9 jeho vlastnosti. Pok\u00fasime sa objasni\u0165 najpopul\u00e1rnej\u0161ie z nich a potom sa podrobnej\u0161ie porozpr\u00e1vame o ich potrebnosti a nepotrebnosti.<\/p>\n<ul>\n<li>Najpopul\u00e1rnej\u0161ou pr\u00edsadou medzi pivovarn\u00edkmi, ktor\u00e1 nie je povinn\u00e1, je takzvan\u00e1 'nesladen\u00e1 zrna' \u2014 to s\u00fa zrn\u00e1, ktor\u00e9 nepre\u0161li \u0161t\u00e1diom kl\u00ed\u010denia, teda sa nestali sladom. M\u00f4\u017ee to by\u0165 p\u0161enica, ry\u017ea alebo kukurica. Naj\u010dastej\u0161ie sa vyskytuj\u00fa kukurica a ry\u017ea, \u010dasto vo forme m\u00faky alebo in\u00fdch produktov. D\u00f4vod je jednoduch\u00fd: s\u00fa lacn\u00fdm zdrojom jednoduch\u00fdch cukrov, ktor\u00e9 s\u00fa potrebn\u00e9 kvasink\u00e1m na v\u00fdrobu oxidu uhli\u010dit\u00e9ho a alkoholu, a teda \u2014 sp\u00f4sob, ako zv\u00fd\u0161i\u0165 obsah alkoholu v n\u00e1poji. Kukurica sa \u010dasto vyskytuje v masov\u00fdch odrod\u00e1ch americk\u00e9ho piva (niekedy sa spom\u00edna ako maize), a ry\u017ea \u2014 v \u00e1zijskom pive, \u010do je logick\u00e9: USA intenz\u00edvne a vo ve\u013ekom pestuje kukuricu, zatia\u013e \u010do krajiny \u00c1zie pestuj\u00fa ry\u017eu. Ry\u017ea a kukurica dod\u00e1vaj\u00fa pivu charakteristick\u00fa sladkos\u0165, ktor\u00fa si v\u0161imne ka\u017ed\u00fd. Taktie\u017e sa \u010dasto pou\u017e\u00edva nesladen\u00e1 p\u0161enica: je to jedna z pr\u00edsad na v\u00fdrobu p\u0161eni\u010dn\u00e9ho piva. Pr\u00e1ve l\u00e1tky obsiahnut\u00e9 v p\u0161enici umo\u017e\u0148uj\u00fa dosiahnu\u0165 ur\u010dit\u00e9 nuansy chuti a v\u00f4ne.<\/li>\n<li>Cukor je \u010fal\u0161ou \u010dasto sa vyskytuj\u00facou pr\u00edsadou piva. \u010casto sa pou\u017e\u00edva pri v\u00fdrobe silnej\u0161\u00edch odr\u00f4d: pridanie cukru zabezpe\u010duje kvasink\u00e1m najjednoduch\u0161\u00ed dodato\u010dn\u00fd zdroj potravy na spracovanie na alkohol. Cukor m\u00f4\u017ee by\u0165 pridan\u00fd vo forme jeho zdrojov: kukuri\u010dn\u00e9ho sirupu, malt\u00f3zov\u00e9ho sirupu at\u010f. M\u00f4\u017ee sa pou\u017ei\u0165 aj med, ale v tom pr\u00edpade by v\u00fdroba bola prive\u013emi n\u00e1kladn\u00e1. Mimochodom, \u010dastokr\u00e1t sa pou\u017e\u00edva prirodzen\u00e9 farbivo: cukrov\u00fd karamel (E150), \u010do v podstate predstavuje cukrov\u00fd karamel. Ak uvid\u00ed\u0161 na f\u013ea\u0161i E150<b>a<\/b> \u2014 \u00faplne sa uvo\u013eni, preto\u017ee to je najprirodzenej\u0161\u00ed sp\u00e1len\u00fd cukor, ktor\u00fd m\u00f4\u017ee\u0161 jes\u0165 ly\u017ei\u010dkami. E150b, E150c a E150d nie s\u00fa tak\u00e9 pr\u00edrodn\u00e9, ale aj tak ich nikto nenapln\u00ed viac ne\u017e povolen\u00fdch 160 mg\/kg telesnej hmotnosti osoby, ktor\u00e1 pije pivo.<\/li>\n<li>Rozpust\u00edme jeden z m\u00fdtov: pri v\u00fdrobe piva sa takmer nikdy nepou\u017e\u00edvaj\u00fa chemick\u00e9 umel\u00e9 farbiv\u00e1 a konzervanty \u2014 \u00faplne sta\u010dia pr\u00edrodn\u00e9 pr\u00edsady a produkty ich kvasenia, ako aj osved\u010den\u00e9 technologick\u00e9 postupy (o t\u00fdch nesk\u00f4r). Pre\u010do m\u00ed\u0148a\u0165 peniaze na \u010fal\u0161iu ch\u00e9miu a nutne ju uv\u00e1dza\u0165 v zlo\u017een\u00ed, ke\u010f sa to d\u00e1 zvl\u00e1dnu\u0165 recept\u00farou? Ale predsa len, ak n\u00e1jde\u0161 lacn\u00e9 'ovocn\u00e9' druhy piva ('s limetkou', 's gran\u00e1tom' a in\u00e9) \u2014 tak v tejto zmesi skuto\u010dne s\u00fa aj ar\u00f3my a farbiv\u00e1, ale pivo to \u0165a\u017eko m\u00f4\u017eem nazva\u0165. Taktie\u017e sa do piva m\u00f4\u017ee prida\u0165 kyselina askorbov\u00e1 (E300), ktor\u00e1 form\u00e1lne nie je syntetick\u00e1 ch\u00e9mia, ale produkt kvasenia (\u00e1no, tak sa syntetizuje). Pridanie kyseliny askorbovej zvy\u0161uje odolnos\u0165 piva vo\u010di svetlu a kysl\u00edku \u2014 a dokonca umo\u017e\u0148uje nalieva\u0165 pivo do prieh\u013eadn\u00fdch flia\u0161 (o tom nesk\u00f4r, ale u\u017e si m\u00f4\u017ee\u0161 spomen\u00fa\u0165 na Miller a Corona).<\/li>\n<li>V \u0161pecifick\u00fdch druhoch piva m\u00f4\u017ee v\u00fdrobca pou\u017ei\u0165 ve\u013emi r\u00f4znorod\u00e9 pr\u00edsady: klin\u010deky, kardam\u00f3n, an\u00edz, pomaran\u010dov\u00fa k\u00f4ru, korenie, ovocn\u00e9 pyr\u00e9 alebo samotn\u00e9 ovocie a mnoho in\u00e9ho. V\u0161etky tieto pr\u00edsady maj\u00fa za cie\u013e obohati\u0165 pivo o dodato\u010dn\u00e9 chu\u0165ovo-aromatick\u00e9 a vizu\u00e1lne vlastnosti. \u010cere\u0161\u0148a, malina, ostru\u017eina \u2014 to v\u0161etko sa v prirodzenej forme m\u00f4\u017ee ocitn\u00fa\u0165 v jednom sude s kvasiacim pivom. Tieto pr\u00edsady s\u00fa obzvl\u00e1\u0161\u0165 ob\u013e\u00faben\u00e9 u belgick\u00fdch v\u00fdrobcov lambiku.<\/li>\n<li>Do piva sa m\u00f4\u017ee prida\u0165 so\u013e! A nie je to rozmar, ale nevyhnutn\u00e1 zlo\u017eka na v\u00fdrobu piva v \u0161t\u00fdle tradi\u010dn\u00e9ho nemeck\u00e9ho g\u00f4ze \u2013 p\u0161eni\u010dn\u00e9ho kysl\u00e9ho piva, pri ktor\u00e9ho v\u00fdrobe sa pou\u017e\u00edvaj\u00fa aj koriander a mlie\u010dna kyselina (ako produkt mlie\u010dneho kvasenia). Tento \u0161t\u00fdl m\u00e1 mimochodom okolo tis\u00edc rokov, tak\u017ee je dvakr\u00e1t star\u0161\u00ed ne\u017e sl\u00e1vny nemeck\u00fd \u201eZ\u00e1kon o \u010distote piva\u201c, o ktorom si povieme nesk\u00f4r. Mimochodom, pridanie soli zvy\u0161uje koncentr\u00e1ciu sod\u00edka a chl\u00f3ru \u2013 pripom\u00edname si \u010cas\u0165 1, v ktorej sa hovorilo o vode a vlastnostiach t\u00fdchto i\u00f3nov.<\/li>\n<li>Niektor\u00ed pivovarn\u00edci dok\u00e1zali pou\u017e\u00edva\u0165 naozaj ve\u013emi \u0161pecifick\u00e9 pr\u00edsady: huby, dreven\u00fa k\u00f4ru, p\u00fapavy, atrament z chobotn\u00edc a dokonca \u201ekitov\u00fa grganicu\u201c \u2013 hmotu, ktor\u00e1 sa vytv\u00e1ra v \u017eal\u00fadku ve\u013er\u00fdb.<\/li>\n<\/ul>\n<p>\nZ mojej strany chcem poveda\u0165: form\u00e1lne neexistuje pivo bez pr\u00edsad. Aspo\u0148 preto, \u017ee je potrebn\u00e9 pripravi\u0165 vodu, zladi\u0165 jej miner\u00e1lne zlo\u017eenie a pH. A to s\u00fa pr\u00edsady. Aspo\u0148 preto, \u017ee je potrebn\u00e9 pou\u017ei\u0165 plyn \u2013 o \u0148om sme hovorili. A to s\u00fa pr\u00edsady. Ale po\u010fme sa porozpr\u00e1va\u0165 o tom, ako sa k pr\u00edsad\u00e1m pristupuje z poh\u013eadu z\u00e1kona.<\/p>\n<p>Ihne\u010f si v\u0161etci samozrejme spomen\u00fa na najzn\u00e1mej\u0161\u00ed pivn\u00fd z\u00e1kon \u2013 \u201eZ\u00e1kon o \u010distote piva\u201c alebo Reinhardsgebot, ktor\u00fd m\u00e1 u\u017e viac ako 500 rokov. Tento z\u00e1kon je tak zn\u00e1my, popul\u00e1rny a rozpoznate\u013en\u00fd, \u017ee sa okolo neho vytvoril cel\u00fd rad m\u00fdtov a myln\u00fdch predst\u00e1v, ktor\u00e9 \u010dasto vyu\u017e\u00edvaj\u00fa marketingov\u00ed experti. Osobitne mnoh\u00ed pova\u017euj\u00fa pivo za to, \u010do zodpoved\u00e1 Reinhardsgebotu, a v\u0161etko ostatn\u00e9 za produkt \u010dinnosti obli\u010diek jedn\u00e9ho domestikovan\u00e9ho nep\u00e1rnokopytn\u00edka z rodiny ko\u0148ovit\u00fdch. Pri tom mnoh\u00ed znalci \u010dasto m\u00e1lo vedia, \u010do je v tomto z\u00e1kone nap\u00edsan\u00e9 a v\u00f4bec odkia\u013e sa vzal. Po\u010fme sa na to pozrie\u0165.<\/p>\n<ul>\n<li>Z\u00e1kon o \u010distote piva m\u00e1 viac ne\u017e 500-ro\u010dn\u00fa hist\u00f3riu \u2014 bavorsk\u00fd z\u00e1kon o \u010distote piva z roku 1516 je jedn\u00fdm z najstar\u0161\u00edch z\u00e1konov v oblasti potravin\u00e1rskej v\u00fdroby. K ve\u013ek\u00e9mu roz\u010darovaniu Bavorov bol najstar\u0161\u00ed z\u00e1kon o \u010distote piva n\u00e1jden\u00fd v Dur\u00ednsku a bol o 82 rokov star\u0161\u00ed ako bavorsk\u00fd z\u00e1kon \u2014 u\u017e v roku 1351 sa v Erfurte vydalo vn\u00fatorn\u00e9 nariadenie o pou\u017e\u00edvan\u00ed iba ur\u010dit\u00fdch ingredienci\u00ed v pivovarn\u00edctve. Mn\u00edchovsk\u00fd magistr\u00e1t za\u010dal realizova\u0165 kontrolu p\u00edvovarov a\u017e v roku 1363, a prv\u00e9 zmienky o pou\u017e\u00edvan\u00ed iba ja\u010dmenn\u00e9ho sladu, chme\u013eu a vody s\u00fa datovan\u00e9 do roku 1453. Do tej doby bolo dur\u00ednske nariadenie \u00fa\u010dinn\u00e9 u\u017e takmer 20 rokov. Nariadenie datovan\u00e9 rokom 1434, vydan\u00e9 vo Weissensee (Dur\u00ednsko), bolo objaven\u00e9 v stredovekom R\u00fcnneburgu ne\u010faleko Erfurtu v roku 1999.<\/li>\n<li>Najprv verzia z\u00e1kona upravovala nie tak zlo\u017eenie piva, ako jeho cenu. Vyhl\u00e1\u0161ka podp\u00edsan\u00e1 bavorskim vojvodom Wilhelmom VI. predov\u0161etk\u00fdm regulovala cenu piva v z\u00e1vislosti od ro\u010dn\u00e9ho obdobia a len v jednom bode sa spom\u00ednalo zlo\u017eenie ingredienci\u00ed: ni\u010d okrem ja\u010dme\u0148a, vody a chme\u013eu. Vyhl\u00e1\u0161ka vojvodu bola prim\u00e1rne zameran\u00e1 na \u00fasporu potrav\u00edn. Povolen\u00edm pou\u017e\u00edva\u0165 iba ja\u010dmenn\u00e9 zrno, Wilhelm zak\u00e1zal v pivovarn\u00edctve pou\u017e\u00edvanie p\u0161enice, preto\u017ee t\u00e1 bola d\u00f4le\u017eit\u00e1 na v\u00fdrobu chleba.<\/li>\n<li>V zozname z\u00e1konom povolen\u00fdch ingredienci\u00ed ch\u00fdbali kvasnice. Ale to neznamen\u00e1, \u017ee neboli zn\u00e1me: Nemci ve\u013emi dobre vedeli o kvasniciach, ale preto\u017ee sa tie od hotov\u00e9ho n\u00e1poja odstra\u0148ovali, v z\u00e1kone sa ani nespom\u00ednali.<\/li>\n<li>Svoje modern\u00e9 meno \u2014 Reinheitsgebot, teda doslova \"po\u017eiadavky na \u010distotu\" \u2014 tento s\u00fabor pravidiel dostal relat\u00edvne ned\u00e1vno \u2014 pred pribli\u017ene sto rokmi. T\u00e1to verzia, s niektor\u00fdmi zmenami, plat\u00ed v Nemecku dodnes a pozost\u00e1va v podstate z dvoch \u010dast\u00ed: jedna reguluje v\u00fdrobu le\u017eiakov, druh\u00e1 \u2014 v\u00fdrobu ejlov. Vzh\u013eadom na liberaliz\u00e1ciu vn\u00fatorn\u00e9ho eur\u00f3pskeho trhu bol tento z\u00e1kon prijat\u00fd do eur\u00f3pskeho pr\u00e1va.<\/li>\n<li>S\u00fa\u010dasn\u00e1 verzia Reinheitsgebotu nebr\u00e1ni dovozu \u017eiadneho piva na \u00fazemie Nemecka a nezakazuje miestnym pivovarom odch\u00e1dza\u0165 od z\u00e1kona. Navy\u0161e, z\u00e1kon sa ob\u010das aktualizuje, aby sledoval modern\u00e9 trendy v pivovarn\u00edctve, hoci zost\u00e1va relat\u00edvne konzervat\u00edvny. <\/li>\n<li>Nemeck\u00e9 pr\u00e1vo pritom odde\u013euje miestne pivo, uvaren\u00e9 pod\u013ea pivn\u00e9ho z\u00e1kona, od ostatn\u00fdch jeho druhov: posledn\u00e9 nemaj\u00fa pr\u00e1vo naz\u00fdva\u0165 sa slovom bier, av\u0161ak ani nie s\u00fa ozna\u010dovan\u00e9 hl\u00fapym term\u00ednom \u201epivn\u00fd n\u00e1poj\u201c.<\/li>\n<li>Napriek v\u0161etk\u00fdm existuj\u00facim obmedzeniam a svojej konzervat\u00edvnosti sa Reinheitsgebot men\u00ed a umo\u017e\u0148uje nemeck\u00fdm pivovarom vyr\u00e1ba\u0165 ve\u013emi rozmanit\u00e9 pivo, a to nielen pre experiment\u00e1torov. Ale aj v tejto situ\u00e1cii sa mnoho nemeck\u00fdch v\u00fdrobcov a milovn\u00edkov piva vyjadruje, ak nie proti z\u00e1konu, tak aspo\u0148 za jeho zmenu.<\/li>\n<\/ul>\n<p>\nTakto \u017eij\u00fa v Eur\u00f3pe a v Nemecku, kde sa varenie piva za\u010dalo pred ve\u013emi dlhou dobou. Z\u00e1rove\u0148 v Belgicku, kde sa s kvasnicami zaobch\u00e1dza ve\u013emi vo\u013ene a do piva sa neboja prid\u00e1va\u0165 \u010doko\u013evek \u2014 sa na to v\u00f4bec silno neob\u0165a\u017euj\u00fa. A varia v\u00fdborn\u00e9 pivo, ktor\u00e9 sa pred\u00e1va po celom svete.<\/p>\n<p>A \u010do v Rusk\u00e9 feder\u00e1cii? Tu je to dos\u0165 smutn\u00e9.<\/p>\n<p>Preto\u017ee v Ruskej feder\u00e1cii existuj\u00fa dva z\u00e1kony, presnej\u0161ie \u2014 normy: GOST 31711-2012, ktor\u00fd sa vz\u0165ahuje na pivo, a GOST 55292-2012, ktor\u00fd sa t\u00fdka \u201epivn\u00fdch n\u00e1pojov\u201c. \u00daprimne ver\u00edm, \u017ee dom\u00e1ci z\u00e1konodarcovia a autori rusk\u00fdch \u0161tandardov pivovarn\u00edctva chceli nap\u00edsa\u0165 svoj Reinheitsgebot s preferenciami a prostit\u00fatkami \u2014 ale dopadlo to ako zvy\u010dajne. Rozoberme hlavn\u00e9 perly.<\/p>\n<p><b class=\"spoiler_title\">Toto by malo by\u0165 v pive pod\u013ea GOST 31711-2012.<\/b><img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/f3e6f5945e935bf6ef4922cbeb534157.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b class=\"spoiler_title\">a toto v\u0161etko \u2014 pivo pod\u013ea normy 55292-2012<\/b><img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/04f70cb14e473ab7d0c3052d03a2c4e4.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nA \u010do na to poveda\u0165? V skuto\u010dnosti je pivn\u00fd n\u00e1poj plnohodnotn\u00e9 a norm\u00e1lne pivo, pri jeho v\u00fdrobe sa pou\u017eilo nie\u010do mimo klasick\u00fdch ingredienci\u00ed: napr\u00edklad citr\u00f3nov\u00e1 k\u00f4ra, korenie alebo ovocie. A tak pod podivn\u00fdm n\u00e1zvom \u201epivn\u00fd n\u00e1poj\u201c sa na pultoch obchodov objavilo pivo, ktor\u00e9 je star\u0161ie ako v\u0161etky normy, RF a dokonca aj Reinheitsgebot. Pr\u00edklady: Hoegaarden \u2014 jeho predchodca sa varil v rovnomennom fl\u00e1mskom meste (dne\u0161n\u00e9 Belgicko) u\u017e od roku 1445 a u\u017e vtedy sa v \u0148om pou\u017e\u00edvali koriander a pomaran\u010dov\u00e1 k\u00f4ra. Zauj\u00edma sa Hoegaarden o to, ako ho nazvali? Mysl\u00edm, \u017ee mu to je jedno. Na\u0161a nedohliadaj\u00faca spotrebite\u013eka, pre\u010d\u00edtaj\u00fac si na f\u013ea\u0161i n\u00e1pis, okam\u017eite prepadne zlo\u017eit\u00fdm my\u0161lienkov\u00fdm oper\u00e1ci\u00e1m oh\u013eadom svetov\u00e9ho sprisahania a toho, \u017ee \u201epivo posielaj\u00fa do roztrhnutia, NIE JE PRAV\u00c9!\u201c Mimochodom, v Rusku sa Hoegaarden var\u00ed priamo v Rusku \u2014 ale k tomu sa dostaneme nesk\u00f4r.<\/p>\n<p>Ak teda na cene alebo etikete vid\u00edte slov\u00e1 \u201epivn\u00fd n\u00e1poj\u201c, vedzte, \u017ee m\u00e1te pred sebou pravdepodobne ve\u013emi zauj\u00edmav\u00e9 pivo, ktor\u00e9 stoj\u00ed minim\u00e1lne za vysk\u00fa\u0161anie. Iba ak v zlo\u017een\u00ed uvid\u00edte pam\u00e4tn\u00e9 chemick\u00e9 ar\u00f3my a farbiv\u00e1 \u2014 m\u00e1te pred sebou mo\u010d typu \u201eGarage\u201c, ktor\u00fa by ste nemali bra\u0165 do r\u00fak v\u00f4bec.<\/p>\n<p>Ale pokra\u010dujme \u010falej! Preto\u017ee rozpad v sovietskom \u0161t\u00fdle nie je v z\u00e1chodoch, ale v hlav\u00e1ch, norma sa sna\u017e\u00ed ve\u013emi pr\u00edsne obmedzi\u0165 druhy piva a jeho zlo\u017eenie. Rovnako ako \u201epivn\u00e9 n\u00e1poje\u201c. Vedzte, %username%, \u017ee:<br \/>\n<img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/efa0c85f0cd4ba64e49a4671fff2fcb6.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b class=\"spoiler_title\">V skuto\u010dnosti je v\u0161etko e\u0161te pr\u00edsnej\u0161ie<\/b><img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/966a0a764c089289487c129c7f3e57e8.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/56270e274d0995d5ce7df7c29985553c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/f72b1a9009fa75224b231253e1fe4832.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/9c0138ef52a9d44bf2c232c08aeb4cd6.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/93befc3e6161badfb553f2efae1c2e0c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/0b90920feda1dec18accb247f4e348c6.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTo znamen\u00e1, \u017ee krok do\u013eava alebo doprava \u2014 pokus o utek a skok \u2014 pokus odletie\u0165.<\/p>\n<p>\u0164a\u017eko sa mi o sile a h\u013abke tohto nezmyslu diskutuje, ale dotknem sa len jednotiek EBC \u2014 to je farba piva pod\u013ea European Brewing Convention. Pr\u00e1ve tento \u00fadaj sa pou\u017e\u00edva v norm\u00e1ch, hoci cel\u00fd svet u\u017e pre\u0161iel na nov\u0161\u00ed Standard Reference Method (SRM). Ale to nie je d\u00f4le\u017eit\u00e9 \u2014 veli\u010diny sa medzi sebou \u013eahko prev\u00e1dzaj\u00fa pod\u013ea Morejovej formuly: EBC = 1,97 x SRM (pod\u013ea novej \u0161k\u00e1ly EBC) alebo EBC = 2,65 x SRM \u2013 1,2 (pod\u013ea starej \u0161k\u00e1ly EBC \u2014 a \u00e1no, s SRM je v\u0161etko ove\u013ea jednoduch\u0161ie).<\/p>\n<p>Mimochodom, SRM sa niekedy naz\u00fdva aj Lovibondova \u0161k\u00e1la na po\u010des\u0165 prv\u00e9ho objavite\u013ea Jozefa Williama Lovibonda, ktor\u00fd, ako pivovarn\u00edk, vymyslel pou\u017e\u00edvanie kolorimetra na charakteriz\u00e1ciu farby piva a vlastne aj \u0161k\u00e1ly. <\/p>\n<p>Jednoducho, vyzer\u00e1 to takto:<br \/>\n<img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/ef0665019eaeefb94507b0c1be7ae715.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAk si si pozorne \u010d\u00edtal a sledoval, %username%, potom si pochopil, \u017ee v\u0161etko pod EBC 31 je svetl\u00e9 pivo a v\u0161etko nad n\u00edm je tmav\u00e9. Teda:<br \/>\n<img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/9b641d1982df7e3c1ebcfa741a50f92c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nS \u00factou, ale tak\u00e1 klasifik\u00e1cia je bl\u00e1znovstvo, \u010faleko od reality \u2014 av\u0161ak celkom od \u201etvorcov term\u00ednu 'pivn\u00fd n\u00e1poj'\u201c. Ako mysl\u00ed\u0161, ktor\u00fd z t\u00fdchto dvoch poh\u00e1rov piva obsahuje svetl\u00e9 pivo?<br \/>\n<img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/a19a52cfad2551d28f7584482e59645c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b class=\"spoiler_title\">Odpove\u010f je tu<\/b>V\u013eavo Guinness Nitro IPA, vpravo Saldens Pineapple IPA. Na plechovk\u00e1ch oboch druhov je nap\u00edsan\u00e9 \u201esvetl\u00e9 pivo\u201c.<br \/>\nA mimochodom, English Pale Ale (doslovne: bled\u00fd anglick\u00fd e\u013e) Fuller\u2019s London Pride je pod\u013ea normy tmav\u00e9 pivo. C\u00edtim sa ako daltonista.<\/p>\n<p>\nMimochodom, na z\u00e1ver rozhovoru o pr\u00edsad\u00e1ch a predt\u00fdm, ako prejdeme k \u010fal\u0161ej \u010dasti, kde sa budeme rozpr\u00e1va\u0165 o technol\u00f3gii, rozoberieme e\u0161te jednu d\u00f4le\u017eit\u00fa skratku v opise zlo\u017eenia a kvality piva. U\u017e vie\u0161 o IBU, SRM\/EBC. Je \u010das porozpr\u00e1va\u0165 sa o ABV.<\/p>\n<p>ABV nie je pokus pripomen\u00fa\u0165 ti abecedu, ke\u010f si po troch litroch sa rozhodol nie\u010do pre\u010d\u00edta\u0165 \u2014 a vyskytovala sa etiketa \u2014 to je Alcohol By Volume (ABV). Na etikete m\u00f4\u017ee\u0161 stretn\u00fa\u0165 4,5% ABV, 4,5% vol. alebo 4,5% ob. \u2014 to v\u0161etko znamen\u00e1 objemov\u00e9 percent\u00e1 etanolu v n\u00e1poji, a \"ob.\" nie s\u00fa m\u00fdtick\u00e9 \"obraty\", ale pr\u00e1ve \"objemov\u00e9\". A \u00e1no \u2014 existuj\u00fa aj \u201estupne pevnosti\u201c \u2014 historick\u00e9 veli\u010diny, ktor\u00e9 teraz nikto nepou\u017e\u00edva, a preto \u201epivo 4,5 stup\u0148ov\u201c je jednoducho 4,5% ob. vo v\u00fdkone n\u00e1\u0161ho Ve\u013ek\u00e9ho a Mocn\u00e9ho.<\/p>\n<p><b class=\"spoiler_title\">Ak \u0165a zauj\u00edma hist\u00f3ria stup\u0148ov a cen\u00ed\u0161 D.I. Mend\u011blejeva<\/b>Obsah alkoholu v n\u00e1pojoch v\u017edy zauj\u00edmal \u013eud\u00ed, najm\u00e4 ke\u010f sa objavila ot\u00e1zka ceny. Johannes Georg Tralles \u2014 nemeck\u00fd fyzik, zn\u00e1my vyn\u00e1lezom alkoholomera, nap\u00edsal v roku 1812 z\u00e1kladn\u00fd v\u00fdskum \"Untersuchungen \u00fcber die specifischen Gewichte der Mischungen ans Alkohol und Wasser\" (\"V\u00fdskumy o \u0161pecifick\u00fdch hmotnostiach zmes\u00ed alkoholu a vody\").<br \/>\nStupne Trallesa zodpovedaj\u00fa s\u00fa\u010dasn\u00e9mu objemov\u00e9mu percentu alkoholu v n\u00e1poji. Napr\u00edklad, 40 stup\u0148ov Trallesa by malo zodpoveda\u0165 40 % obsahu alkoholu pod\u013ea objemu. Av\u0161ak, ako uk\u00e1zal D. I. Mendelejev, to, \u010do Tralles pova\u017eoval za \u201ealkohol\u201c \u2014 \u010dist\u00fd alkohol, bol v skuto\u010dnosti jeho vodn\u00fd roztok, kde bezvod\u00e9ho alkoholu bolo len 88,55 %, tak\u017ee 40-stup\u0148ov\u00fd n\u00e1poj pod\u013ea Trallesa zodpoved\u00e1 35,42 % \u201epod\u013ea Mendelejeva\u201c. Tak sa rusk\u00fd vedec historicky ako prv\u00fd na svete stretol s nedorozumen\u00edm zo strany zahrani\u010dn\u00fdch bur\u017eujov.<\/p>\n<p>V 40. rokoch 19. storo\u010dia akad\u00e9mik G. I. Hess na objedn\u00e1vku rusk\u00e9ho vl\u00e1dy vytvoril met\u00f3dy a pr\u00edstroj na ur\u010denie mno\u017estva alkoholu vo v\u00edne. Predt\u00fdm sa hustota merala pod\u013ea syst\u00e9mu Trallesa, ako aj \u201edestil\u00e1ciou\u201c. Napr\u00edklad, zmes alkoholu a vody, ktor\u00e1 stratila polovicu objemu pri destil\u00e1cii (asi 38 % alkoholu), sa naz\u00fdvala polugar (pod\u013ea \u201eCelkov\u00e9ho zborn\u00edka z\u00e1konov Rusk\u00e9ho imp\u00e9ria\u201c z roku 1830: \u201eur\u010duje sa tak, aby, vliata do \u0161t\u00e1tnej schv\u00e1lenej destila\u010dnej n\u00e1doby, vzorka pri destil\u00e1cii vyhoretla na polovicu\u201c). V predstave ministra financi\u00ed Kankrina z roku 1843 sa uv\u00e1dzalo, \u017ee destil\u00e1cia v\u00edna a anglick\u00e9 hydrometre nezabezpe\u010duj\u00fa presnos\u0165 merania, a Trallesov alkoholomer vy\u017eaduje na v\u00fdpo\u010det hustoty po\u010d\u00edtania, a preto by sa mala prida\u0165 syst\u00e9m Trallesa forma prisp\u00f4soben\u00e1 pre Rusko.<\/p>\n<p>V roku 1847 Hess vydal knihu \u201e\u00da\u010dtovanie alkoholov\u201c, v ktorej sa uv\u00e1dzali pravidl\u00e1 pou\u017e\u00edvania alkoholometra s tabu\u013ekami na ur\u010denie hustoty a pomerov zrie\u010fovania alkoholu. Druh\u00e9 vydanie v roku 1849 tie\u017e obsahovalo preh\u013ead hist\u00f3rie a te\u00f3rie merania hustoty. Alkoholometrick\u00e9 tabu\u013eky Hess uviedli merania pod\u013ea Trallesa v kombin\u00e1cii s ruskou trad\u00edciou prepo\u010dtu alkoholu na polugar. Alkoholomer Hess ukazoval nie obsah alkoholu, ale \u010d\u00edslo viedier vody, ktor\u00e1 mala teplotu 12,44 \u00b0R (stupe\u0148 R\u00e9aumura, 15,56 \u00b0C), ktor\u00e9 bolo potrebn\u00e9 prida\u0165 k 100 viedrom sk\u00faman\u00e9ho alkoholu, aby sa z\u00edskal polugar, definovan\u00fd ako 38 % alkoholu (hoci aj tu s\u00fa spory). Podobn\u00fd syst\u00e9m sa pou\u017e\u00edval v Anglicku, kde \u0161tandardom bol proof (57,3 % alkoholu).<\/p>\n<p>Jednoducho povedan\u00e9, Hess to iba skomplikoval, a preto \u010fakujeme Dmitrijovi Ivanovi\u010dovi, ktor\u00fd zaviedol pojem spr\u00e1vnych objemov\u00fdch percent alkoholu.<\/p>\n<p>Odkia\u013e poch\u00e1dza alkohol, je ka\u017ed\u00e9mu jasn\u00e9: je to z\u00e1kladn\u00fd produkt alkoholov\u00e9ho fermenta\u010dn\u00e9ho procesu, preto sa z\u00edskava z potravy kvasiniek - cukru. Cukor sa p\u00f4vodne dost\u00e1va zo sladu. Niekedy zostane cukor, ale kvasinky u\u017e vy\u010derpali svoj potenci\u00e1l. V takom pr\u00edpade pivovarn\u00edk prid\u00e1va \u010fal\u0161iu d\u00e1vku kvasiniek. Ak v\u0161ak chceme pivo urobi\u0165 v\u00fdrazne silnej\u0161\u00edm, m\u00f4\u017ee by\u0165 vo varenej mladine nedostatok cukrov na spracovanie, a to u\u017e je probl\u00e9m. Prid\u00e1va\u0165 slad nem\u00e1 zmysel, preto\u017ee pomer druhov sladu ovplyv\u0148uje nielen alkohol - to sme u\u017e preberali. A \u010do teraz?<\/p>\n<p>Existuj\u00fa dva popul\u00e1rne sp\u00f4soby. Prv\u00fd a najpou\u017e\u00edvanej\u0161\u00ed: jednoducho da\u0165 kvasink\u00e1m najjednoduch\u0161\u00ed sladov\u00fd extrakt (nie slad!), malt\u00f3zu, med alebo nie\u010do in\u00e9 sladk\u00e9. V lacnej\u0161\u00edch typoch sa dokonca pou\u017e\u00edva len cukor - teda sachar\u00f3za, ale vtedy je to pr\u00edli\u0161 sladk\u00e9. Aby pivo nebolo pr\u00edli\u0161 presladen\u00e9, pivovarn\u00edk m\u00f4\u017ee pou\u017ei\u0165 kukuri\u010dn\u00fd sirup alebo dextr\u00f3zu v akomko\u013evek vyjadren\u00ed, preto\u017ee ich pridanie m\u00e1 slab\u00fd vplyv na kone\u010dn\u00e9 chu\u0165ovo-aromatick\u00e9 vlastnosti. V podstate, ak prid\u00e1me jednoduch\u00e9 cukry - dostaneme viac alkoholu. Ale je tu e\u0161te jeden probl\u00e9m.<\/p>\n<p>Pri dosiahnut\u00ed ur\u010ditej koncentr\u00e1cie alkoholu kvasinky nevydr\u017eia a zomr\u00fa vo vlastn\u00fdch produktov \u017eivotnej \u010dinnosti - nie, neznie to pekne, tak teda: op\u00edjaj\u00fa sa - tie\u017e akosi neznelo - skr\u00e1tka: umieraj\u00fa. Prest\u00e1vaj\u00fa pracova\u0165, a niekedy \u00faplne zahyn\u00fa. Aby sa tomu predi\u0161lo, v\u00fdrobcovia siln\u00e9ho piva pou\u017e\u00edvaj\u00fa \u0161peci\u00e1lne kol\u00f3nie kvasiniek. Niekedy, mimochodom, v tak\u00fdchto pr\u00edpadoch pivovarn\u00edci pou\u017e\u00edvaj\u00fa v\u00ednne kvasinky. Ale aj v tomto pr\u00edpade nemo\u017eno prekro\u010di\u0165 hranicu 12-13%. A preto\u2026<\/p>\n<p>Druh\u00fdm sp\u00f4sobom, ako zv\u00fd\u0161i\u0165 obsah alkoholu, je zv\u00fd\u0161enie koncentr\u00e1cie alkoholu odstr\u00e1nen\u00edm \u010dasti vody mrazen\u00edm. Tak sa vyr\u00e1ba nemeck\u00e9 pivo eisbock. Ale v skuto\u010dnosti je pivo silnej\u0161ie ne\u017e 12-13% naozaj vz\u00e1cnos\u0165.<\/p>\n<p>D\u00f4le\u017eit\u00fd bod: nikto nebude prid\u00e1va\u0165 do piva alkohol. Nikdy. Po prv\u00e9, to si vy\u017eaduje \u010fal\u0161ie licencie na pou\u017eitie potravinov\u00e9ho alkoholu, po druh\u00e9 \u2014 oddel\u00ed a sp\u00f4sob\u00ed nestabilitu piva. A pre\u010do kupova\u0165 to, \u010do sa aj tak z\u00edskava po\u010das kvasenia? \u00c1no, niekedy pivo naozaj vonia po alkohole, ale to je d\u00f4sledok nie n\u00e1hodn\u00e9ho prid\u00e1vania etanol, ale iba pr\u00edtomnosti v pive \u0161pecifick\u00fdch esterov (pam\u00e4t\u00e1\u0161 si na rozhovor o zlo\u017eit\u00fdch esteroch?)<\/p>\n<p>Mimochodom, op\u00e4\u0165 posielam l\u00fa\u010de nen\u00e1visti rusk\u00e9mu GOST 31711-2012: <br \/>\n<img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/2bc4bcf9f2c37a1d7f2e149b27d507fa.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nOsobne mi nie je jasn\u00e9 \u201enie menej\u201c a \u201e+-\u201c \u2014 to znamen\u00e1, \u017ee m\u00f4\u017eem pred\u00e1va\u0165 pivo silnej\u0161ie v rozmedz\u00ed 0,5% a nie slab\u0161ie? \u00c1no, a t\u00e1 \u010darovn\u00e1 maxim\u00e1lna \u010d\u00edslica sily piva 8,6% \u2014 tie\u017e poch\u00e1dza z tohto dokumentu. A preto v\u0161etko, \u010do je silnej\u0161ie \u2014 je \u00faplne nepochopite\u013en\u00e9. Nemci sa tomu nahlas smej\u00fa. Skr\u00e1tka, neviem a pozdravujem GNU \u201eVNIIPBIVP\u201c Rusk\u00e9ho po\u013enohospod\u00e1rskeho in\u0161tit\u00fatu \u2014 tvorcu normy.<\/p>\n<p>Predsa len sa podaril dlh\u00fd \u010dl\u00e1nok. Dos\u0165!<\/p>\n<p>A zd\u00e1 sa, \u017ee \u013eud\u00ed t\u00e1to cel\u00e1 historia omrzela. Preto si vezmem ur\u010dit\u00fa pauzu, a ak sa predsa len uk\u00e1\u017ee, \u017ee je z\u00e1ujem \u2014 na bud\u00face sa stru\u010dne porozpr\u00e1vame o technol\u00f3gii varen\u00e9ho piva, dozvieme sa tajomstv\u00e1 nealkoholick\u00e9ho piva a mo\u017eno rozoberieme e\u0161te p\u00e1r m\u00fdtov. Ke\u010f\u017ee nie som technol\u00f3g, rozbor technol\u00f3gie bude ve\u013emi laick\u00fd, ale d\u00fafam, \u017ee budem schopn\u00fd vysvetli\u0165 hlavn\u00e9 f\u00e1zy a ot\u00e1zky o obale, filtr\u00e1cii a pasteriz\u00e1cii.<\/p>\n<p>Ve\u013ea \u0161\u0165astia, %username%!<\/p>\n<p><img decoding=\"async\" alt=\"O pive o\u010dami chemika. \u010cas\u0165 4\" src=\"\/wp-content\/uploads\/2019\/05\/df28043b2372fa6a67e57bdb0f828228.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>Zdroj: habr.com<\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0438\u0432\u0435\u0442, %username%. \u0422\u0440\u0435\u0442\u044c\u044f \u0447\u0430\u0441\u0442\u044c \u043c\u043e\u0435\u0433\u043e \u0446\u0438\u043a\u043b\u0430 \u043e \u043f\u0438\u0432\u0435 \u043d\u0430 \u0425\u0430\u0431\u0440\u0435 \u0432\u044b\u0448\u043b\u0430 \u043c\u0435\u043d\u0435\u0435 \u043f\u0440\u0438\u043c\u0435\u0442\u043d\u043e\u0439, \u0447\u0435\u043c \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0438\u0435 \u2014 \u0441\u0443\u0434\u044f \u043f\u043e \u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f\u043c \u0438 \u0440\u0435\u0439\u0442\u0438\u043d\u0433\u0443, \u0442\u0430\u043a \u0447\u0442\u043e, \u043d\u0430\u0432\u0435\u0440\u043d\u043e\u0435, \u044f \u0443\u0436\u0435 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0443\u0442\u043e\u043c\u0438\u043b \u0441\u0432\u043e\u0438\u043c\u0438 \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u043c\u0438. \u041d\u043e \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0437\u0430\u043a\u043e\u043d\u0447\u0438\u0442\u044c \u0438\u0441\u0442\u043e\u0440\u0438\u044e \u043e \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430\u0445 \u043f\u0438\u0432\u0430 \u043b\u043e\u0433\u0438\u0447\u043d\u043e \u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e, \u043f\u0435\u0440\u0435\u0434 \u0442\u043e\u0431\u043e\u0439 \u2014 \u0447\u0435\u0442\u0432\u0451\u0440\u0442\u0430\u044f \u0447\u0430\u0441\u0442\u044c! \u041f\u043e\u0435\u0445\u0430\u043b\u0438. \u041a\u0430\u043a \u043e\u0431\u044b\u0447\u043d\u043e, \u0432 \u043d\u0430\u0447\u0430\u043b\u0435 \u0431\u0443\u0434\u0435\u0442 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0430\u044f \u043f\u0438\u0432\u043d\u0430\u044f \u0438\u0441\u0442\u043e\u0440\u0438\u044f. \u0418 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":26111,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-34651","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"robots\" 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