Giya mai Haɓaka tare da Wyeast 2002-PC Gambrinus Style Lager Yeast

Carboy gilashi tare da fermenting amber giya a cikin wani tsattsauran yanayi na gida na Jamus Karin bayani

Wyeast 2002-PC wani nau'i ne na ruwa lager wanda aka sani don tsaftataccen fermentation da matsakaici-high flocculation. Wannan bita zai bincika yadda nau'ikan ke aiki a cikin batches na galan 5-10 na yau da kullun. Hakanan zai samar da nasihu don daidaita dabarun don daidaitaccen sakamako. Jagoran ya haɗu da bayanan lab tare da aikin aiki mai amfani don ayyukan haɓakar lager mai nasara.

Key Takeaways

• Wyeast 2002-PC Gambrinus Style Lager Yisti ya dace da tsabta, bayanan bayanan lager na nahiyar.
• Wannan jagorar fermentation na lager ya ƙunshi masu farawa, ƙimar farau, da jadawalin zafin jiki.
• Yi tsammanin matsakaicin-high flocculation da bayanin martabar ester tsaka tsaki a yawancin giya.
• Bi ƙayyadaddun bayanai na lab da mafari mai dacewa don kiyaye lafiyar yisti da daidaito.
• Haɓaka matsala na aiki da samfurin log log suna taimakawa fassara ka'idar zuwa sakamako.

Me yasa Wyeast 2002-PC Gambrinus Style Lager Yisti Ya shahara tare da Masu Gida

Masu shayarwa suna matuƙar daraja nau'in Wyeast 2002 don daidaitawar sa a ƙananan yanayin zafi. Mutane da yawa sun bayar da rahoto mai santsi, saurin haifuwa lokacin da aka ajiye shi kusa da 47°F sannan kuma ya dumama zuwa kusan 60°F. Wannan yana haifar da tsabtataccen giya maras kyau tare da bayanin kula na fure mai laushi. Wani mashawarcin ma ya kira shi mai yiwuwa mafi kyawun abin da suka ɗanɗana kai tsaye daga fermenter.

Shahararriyar nau'in Gambrinus a tsakanin masu sana'ar gida ya samo asali ne daga ma'auni masu amfani. Yana da ƙima na 73%, matsakaici-high flocculation, kuma yana iya jure wa har zuwa 9% ABV. Wadannan halaye sun sa ya dace da lagers na duniya na gargajiya da kuma fassarar zamani na salon.

Sauƙin amfaninsa ya tabbatar da matsayin sa a matsayin yeast ɗin da aka fi so a gida. Yana sarrafa jeri na fermentation na al'ada da kyau kuma yana samar da bayanin martabar ester mai karewa. Wannan yana ba da damar malt da halayen hop su ɗauki matakin tsakiya. Irin wannan abin dogaro yana da fa'ida ga sababbin masu sana'a da ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun masu sana'a.

Amfanin yisti na ruwa lager sun fito fili a cikin girke-girke na ainihi da misalai da aka buga. An nuna Gambrinus a cikin girke-girke na al'umma kamar "Tsohon Duniya Pils" akan wuraren girke-girke da kuma a cikin masu sana'a. Wannan tallafi da aka yaɗa yana ƙarfafa matsayinsa a cikin gida da ƙwararrun da'irar giya.

• Daidaitaccen aikin fermentation sanyi
• Tsaftace ɗanɗanon malt-gaba tare da dabaran esters na fure
• Kyakkyawan attenuation da matsakaici-high flocculation
• Babban jurewar barasa ga lagers masu ƙarfi

Dalilan da ke sa Gambrinus ya shahara a tsakanin masu sana'ar gida a fili yake. Ma'auni na halinsa da kuma amfani da shi yana kiyaye shi a sahun gaba na amintattun zaɓuɓɓukan lager. Wannan ya sa ya zama zaɓi ga waɗanda ke neman abin dogaro.

Halayen Yisti da Takaddun gwaje-gwaje don Salon Gambrinus Lager

Wyeast 2002 yisti ne na ruwa lager tare da matsakaicin raguwa na 73%. An san shi don isar da tsaftataccen gamawa, yana riƙe isasshiyar malt don jiki mai santsi. Wannan ya sa ya zama abin dogara ga masu shayarwa da ke neman daidaitaccen dandano.

Yakin yisti yana da matsakaicin tsayi, yana tabbatar da tsayayyen giya ba tare da tsatsauran rashi da yawa ba. Wannan halayyar yana taimakawa wajen daidaitawar yanayi a lokacin sanyi, yana rage buƙatar tacewa a cikin gida.

Matsakaicin zafin zafin da aka ba da shawarar shine tsakanin 8-13 ° C (46-56 ° F). Yawancin girke-girke sun yi niyya a kusa da 52 °F don fermentation na farko. Wannan kewayon zafin jiki yana taimakawa sarrafa esters kuma yana tabbatar da mafi kyawun ƙima.

Wyeast 2002 na iya ɗaukar har zuwa 9.0% ABV, yana sa ya dace da lagers masu ƙarfi da brews na musamman. Jurewar barasa yana goyan bayan bargawar fermentation a cikin worts tare da matsakaicin nauyi.

Bayanan kula na Lab suna ba da haske mai tsafta, ƙwanƙwaran haƙoƙi tare da dabarar esters da ƙashin baya maras kyau. Wannan bayanin martaba ya dace da lagers na nahiyar da na zamani na Amurka, inda ake son halin yisti na tsaka tsaki.

• Form: yisti ruwa
• Matsakaicin raguwa: 73%
• Flocculation: matsakaici-high
• Mafi kyawun zafin jiki: 8-13 °C (46-56 °F)
• Haƙurin barasa: ~ 9.0% ABV

Jagorar ƙaddamarwa yana nuna manyan filaye a kusa da sel miliyan 0.35/mL/°P. Wannan yana haifar da ƙididdige ƙididdiga na tantanin halitta don manyan batches. Yawancin masu aikin gida suna ƙirƙira mai farawa don cimma ƙimar ƙididdigewar tantanin halitta.

Ya dace da salo na nahiya na gargajiya da lagers na Amurka waɗanda ke buƙatar ɗanɗano mai tsafta. Ƙimar dakin gwaje-gwaje da bayanin kula na aiki suna jagorantar masu shayarwa wajen zabar yisti mai kyau don girke-girke.

Masanin kimiyya a cikin suturar lab yana nazarin al'adun yisti a ƙarƙashin na'urar hangen nesa a cikin dakin gwaje-gwaje na zamani mai haske Karin bayani

Yadda ake Shirya Mafari don Wyeast 2002-PC Gambrinus Style Lager Yeast

Yi la'akari da idan mai farawa yana da mahimmanci don shayar ku. Yawancin girke-girke na pilsner masu ƙarancin nauyi da sabbin manyan fakitin ruwa bazai buƙatar ƙarin girma ba. Don manyan giya masu nauyi, tsofaffin slants, ko al'adun da aka girbe, shiri na farawa na Wyeast 2002 yana da mahimmanci. Yana taimakawa wajen kaiwa ga kididdigar tantanin halitta kuma yana rage raguwa.

Zaɓi malt wort tsakanin 1.040 da 1.050 takamaiman nauyi don gina tarin tantanin halitta. Tabbatar cewa wort yana da iska mai kyau kuma a cikin tsabta, yanayin aerobic don haɓaka lafiya. Don batch na gida na yau da kullun, madaidaicin yisti na 1-2 L yakan isa.

Yada nau'ikan lager sun fi zafi fiye da yanayin zafi. Rike mai farawa a 65-72 °F don saurin girma. Da zarar mai farawa ya girma da kyau, kwantar da hankali kuma ƙara slurry zuwa kewayon fermentation na 46-56 °F kafin fara.

• Yi amfani da kalkuleta don ƙimar ƙima; misalin misali shine 0.35 miliyan sel / ml/° P don lagers.
• Don mafi girma gravities ko tsofaffin fakiti, ƙara girman mafari.
• Yi la'akari da hanyar da aka bi don sake amfani da yisti mai ƙarancin ƙarfi don sake gina lambobin salula lafiya.

Lokacin yin farar yisti don Gambrinus, yanke ɓangarorin da aka kashe kafin yin nisa don guje wa ɗanɗano. Sanya slurry a cikin sanyi don lagers don iyakance girgizar zafi. Idan ka fi so, yi ruwa mai yisti fara lager a matakai don tabbatar da ƙarfi.

Nasihu masu amfani suna taimakawa wajen guje wa ramukan gama gari. Tsaftace duk kayan aikin farawa da lura da nauyi da aiki. Idan lokaci ya yi tsauri, sai a yi yawa fiye da ƙasa, sannan a sanyaya a firiji a daidaita yisti kafin a yanke.

Bi waɗannan matakan kuma za ku inganta amincin fermentation tare da Wyeast 2002. Daidaitaccen Wyeast 2002 mai farawa yana ba da bambanci mai ban sha'awa a cikin attenuation da tsabta ga lagers irin na Gambrinus.

Jadawalin Hatsarin Haihuwa da Kula da Zazzabi

Fara fermentation na farko a sanyin ƙarshen kewayon yisti. Domin Wyeast 2002-PC Gambrinus Style, nufin 47–52°F (8–11°C). Wannan yana taimakawa rage yawan esters da sulfur. Yana haɓaka bayanin martaba mai tsabta, malt-gaba kamar yadda yisti ke cinye sukari akai-akai.

Haɗin farko na iya wucewa daga kwanaki da yawa zuwa makonni biyu. Abubuwan da ke kama da ƙimar farar sauti da iskar oxygen suna tasiri wannan tsawon lokaci. Kula da karatun nauyi ya fi dogaro fiye da lokaci don takamaiman lokacin haifuwa Gambrinus.

Lokacin da nauyi ya kusa 1.012, fara hutawa diacetyl ta dumama giya. Tada shi zuwa kusan 60-64 ° F (15-18 ° C) na sa'o'i 24-72. Wannan yana ba da damar yisti don sake shayar da diacetyl kuma ya cika attenuation. Masu aikin gida sukan bi jadawalin 47 ° F na farko, sannan suna dumama zuwa ~ 60 ° F kusa da m nauyi.

Bayan-diacytel hutawa da nasara na ƙarshe na nauyi, kwantar da giya da sauri. Lagering a kusa da daskarewa yanayin zafi yana ƙarfafa yawo da tsabta. Bada makonni da yawa zuwa watanni don daidaitawa, ya danganta da girman tsari da tsayuwar da ake so.

• Farko: 47-52 °F har sai aiki ya ragu.
• Huta Diacetyl: tada zuwa 60-64 °F lokacin da yake kusa da 1.012.
• Hadarin sanyi da lager: sauke zuwa kusa da 32-40 °F don daidaitawa.

Ingantacciyar sarrafa yanayin Wyeast 2002 yana buƙatar tsayayyen saiti da gyare-gyare a hankali. Guji canjin zafin jiki kwatsam wanda ke damuwa da yisti. Ajiye bayanan nauyi da zafin jiki yana taimakawa tace lokacin haƙowar ku Gambrinus don ingantaccen sakamako.

Tankin fermentation na bakin karfe tare da gilashin gani yana nuna giyar irin Gambrinus sosai Karin bayani

Bayanin Danɗano da Tsammanin Hankali Daga Wannan Wurin

Yi hasashen yanayin yisti mai tsabta mai tsabta wanda ke haɓaka malt ba tare da rinjaye shi ba. Bayanin dandano na Gambrinus yana siffanta shi da ƙaƙƙarfan tushe. Hakanan yana alfahari da haske, laushin bakin baki. Masu shayarwa sukan lura cewa giya yana jin daidaito kuma yana da inganci daidai daga fermenter.

Rubutun ɗanɗano na Wyeast 2002 akai-akai yana haskaka ra'ayi na esters lager. Waɗannan esters suna bayyana azaman fure mai laushi ko alamu masu kama da kyau, suna ƙara zurfi. Esters ba safai suke gabatar da 'ya'yan itace ba, suna yin giyan da ya dace da pilsners, lagers na Turai na gargajiya, da hana salon Amurka.

Attenuation kusa da 73% yana haifar da matsakaicin jiki tare da kyakkyawan abin sha. Kulawa da kyau na fermentation da sauran diacetyl yana rage haɗarin diacetyl. Rahoton homebrew ya sami 1.040 zuwa 1.007 ba tare da diacetyl ba, wanda ke nuna ikon iya sharewa da gamawa da tsabta.

Rukunin ɗanɗano ya taso daga tsaka-tsaki mai laushi na zaƙi na malt da bayanin kula na fure. Wannan nau'in yana da kyau lokacin da kuke sha'awar kasancewar malt ba tare da rinjayen yisti ba. Tsaftataccen bayanin martabar yisti na lager yana goyan bayan tsaftar hop a cikin pilsner da giya masu jan hankali.

cikin kimantawa na azanci, nemo ƙaƙƙarfan ƙarewa, ƙaramin bayanin kula mai laushi, da zagayen ƙashin bayan malt. Bayanin dandano na Gambrinus da Wyeast 2002 bayanin ɗanɗano duk sun jaddada halin kamewa. Wannan ya cika daidaitattun girke-girke. Izinin yana amfana daga kulawar zafin jiki a hankali da kuma jadawalin lagering mai dacewa.

Gina girke-girke: Hatsi, Hops, da Ruwa don Amfani da Gambrinus Style Lager

Fara da lissafin hatsi madaidaiciya don Wyeast 2002, mai da hankali kan malt pilsner mai tsabta. Zaɓi malt mai inganci mai inganci kamar Weyermann Pils ko Rahr Premium Pils, wanda ke yin kashi 90-100% na girke-girke. Wannan zabi shine manufa don classic kodadde lagers. Yakamata a adana malts na musamman don a ba da damar tsaka tsakin yisti ya haskaka ta cikinsa.

Mash a zafin jiko guda ɗaya na 150-154 °F na minti 60. Nufin kaurin dusar ƙanƙara na kusan 1.25qt/lb don cimma daidaiton haifuwa da jiki. Yana da mahimmanci don saka idanu da mash pH, yana nufin 5.3-5.6 don tabbatar da aikin enzymatic da kare dandano na ƙarshe.

Lokacin zabar hops don Gambrinus lagers, yi niyya don ƙananan ɗaci zuwa matsakaici da ƙamshi mai tsabta. Iri masu daraja irin su Saaz ko Hallertau sun dace da salon Tsohon Duniya. Don lagers na zamani, nau'in tsabta na Amurka sun dace. Yakamata a kiyaye yin tsalle-tsalle a ɗan lokaci kaɗan don kiyaye tsabta.

Don zama ko ƙaƙƙarfan ƙaƙƙarfan pilsner, yi amfani da malt tushe guda ɗaya da ƙaddamar da ƙananan IBUs. Don lagers masu ƙarfi, ƙara girman malt ɗin tushe kuma ƙara girman farar ko amfani da mai farawa. Wannan yana tabbatar da lafiyayyen fermentation tare da Wyeast 2002.

• Misalin zaɓi mai ɗaci: Galena ko Magnum don tsaftataccen, ƙaramar IBU.
• Misalin ƙamshi: Saaz ko Hallertau a ƙarshen kettle ko whirlpool don ƙamshi na dabara da bayanin fure.
• Tukwici na jadawalin Hop: taƙaitaccen ƙarar tafasa na mintuna 15 zai ba da ɗanɗano mai daɗi ba tare da ƙamshi mai nauyi ba.

Don ƙirar pilsner na gargajiya, yi nufin bayanin martabar ruwa mai laushi da tsaka tsaki. Rage sulfates da chlorides don barin malt da yisti su ɗauki matakin tsakiya. Yi niyya ƙarancin ƙarancin ion da matakin bicarbonate mai laushi don guje wa tsangwama.

Daidaita gishiri don ƙwace bushewar da aka tsinkayi ko zagaye. Don ƙayyadadden ƙarewa, ƙara taɓawa na sulfate. Don cikakken jin bakin, fi son chloride. Gwada mash pH bayan kullu-in da tweak don kiyaye shi kusa da madaidaicin kewayon da aka ambata a baya.

Lokacin tattara girke-girke na ƙarshe, daidaita lissafin hatsi don Wyeast 2002 tare da kayyade hops don Gambrinus lagers da bayanin martabar ruwa mai tsabta don yin lager. Ci gaba da girke girke girke mai sauƙi, auna daidai, kuma daidaita adadin hatsi ko hop dangane da ainihin nauyi da ɗaci.

Gidan dafa abinci mai daɗi tare da ganga na katako, kayan aikin girki, da tebur mai hasken rana wanda ke nuna buɗaɗɗen littafi da kayan gilashi. Karin bayani

Samfura Duk-Grain Recipe Ta Amfani da Wyeast 2002-PC Gambrinus Style Lager Yeast

Da ke ƙasa akwai samfurin da aka ƙirƙira bisa ga girke-girke na Old World Pils wanda ya dace da batches na Wyeast 2002. Yi amfani da shi azaman ma'auni da sikelin haki, ruwa, da adadin hop zuwa girman da aka yi niyya.

Salo: Amurka/Tsohon Duniya Pils. Target OG ~ 1.034, FG ~ 1.009, ABV ~ 3.28%, IBU ~ 14.7, SRM ~ 2.5. Carbonation manufa game da 2.65 juzu'i CO2.

• Fermentables: 100% Pilsner malt (amfani da babban ingancin pils kamar Weyermann ko Pilsner malt daga amintaccen maltster). Kiyaye hasken haske don haskaka tsaftataccen nau'in nau'in Wyeast 2002.
• Hops: Galena pellets, ƙari mai ɗaci an dafa minti 15 don samar da ~ 14.7 IBU. Musanya zuwa Saaz ko Hallertau don ƙarin bayanin martabar Old World Pils na gargajiya.
• Ruwa: Mai laushi, bayanin martaba mara ƙarancin ma'adinai. Daidaita don ƙara fayyace hopping da malt tsabta.

Jadawalin dusar ƙanƙara: Buga a 165 ° F don isa ga zafin dusar ƙanƙara na 154 ° F. Rike na tsawon mintuna 60 tare da kauri kusa da 1.25qt/lb. Fara da hatsi a kimanin 65 °F. Batch sparge don isa ƙarar zafin zafin da ya dace da tsarin ku.

Tafasa: minti 60. Ƙara Galena a sauran mintuna 15. Babu makara mai ƙamshi don gamawa mai tsabta mai tsabta.

• Yisti: Wyeast Gambrinus Style Lager (2002-PC). Tashi kusa da 52 °F don nuna zaƙi na malt da ƙanƙara.
• Mai farawa: Ba a buƙata don wannan ƙaramin misali na nauyi. Don manyan batches ko tsofaffin fakiti, shirya ƙaramin mafari don tabbatar da ƙidayar sel lafiya.
• Tushen fermentation: Riƙe fermentation na farko a 50-54 °F har sai aikin ya ragu, sannan a ɗaga sannu a hankali don ɗan gajeren hutu na diacetyl idan an buƙata.

Bayanin juzu'i na aiki: Bi kauri mai dusa da jagororin ruwa zuwa hatsi (1.25 qt/lb) kuma daidaita yajin aiki da juzu'i don kayan aikin ku. Bi da wannan samfurin girke-girke Gambrinus a matsayin samfuri don gwada bayanan lager mai tsafta na Wyeast 2002 kafin yin gwaji tare da nau'ikan hop daban-daban ko mafi girman nauyi.

Yi amfani da wannan girke-girke na Old World Pils don kimanta aikin yisti na girke-girke na pilsner. Ajiye bayanan ingancin dusar ƙanƙara da yanayin fermentation don tace abubuwan da za a yi a gaba.

Ƙididdigar ƙididdigewa, Ƙididdiga ta salula, da lokacin da mai farawa ba dole ba ne

Tabbatar da daidaitaccen ƙimar farar lager yana da mahimmanci don kiyaye tsaftataccen tsari mai tsauri. Don lagers, jagorar gama gari shine kusan sel miliyan 0.35 a kowace ml kowace ° P. Wannan adadi, haɗe tare da ƙarar batch ɗinku da nauyi, zai taimaka muku ƙididdige adadin da ake buƙata na tantanin halitta kafin sanyin wort ko canza shi zuwa fermenter.

Ƙididdiga ta salula ya fi mahimmanci ga lagers fiye da yawancin ales. Misali, 5-gallon low-gravity pilsner tare da OG kusa da 1.034 sau da yawa yana samun isassun ƙwayoyin sel daga sabon fakitin ruwa na Wyeast. A irin waɗannan lokuta, girke-girke na iya nuna "Babu mai farawa da ake buƙata," yana ba ku damar yin tsalle kai tsaye da zarar yanayin zafi ya yi daidai.

Don mafi girman nauyi da yisti mai tsanani, ƙimar ƙimar Wyeast 2002 mafi girma ya zama dole. Yi amfani da ingantacciyar ƙididdiga mai yisti, kamar Abokin Brewer, Wyeast, ko Farin Labs, don samun ainihin manufa. Shigar da OG, ƙara, da yuwuwar don gujewa dogaro da ƙwaƙwalwar ajiya.

• Lokacin da za a yi mafari: yi amfani da ɗaya idan fakitin sun tsufa, yisti da aka girbe yana da ƙarfin da ba a san shi ba, ko kuma giya yana sama da matsakaicin nauyi.
• Idan ana neman saurin fermentation mai ƙarfi ko haɓakawa mafi girma, gina mafari maimakon yin haɗari na ƙasa.

Matakai masu aiki zasu iya taimaka maka cimma ƙididdige adadin tantanin halitta da aka ba da shawarar don lagers. Yi la'akari da manufofin ku: tsabtataccen dandano, tsaftace diacetyl, da saurin fermentation. Idan babu tabbas, ƙirƙiri madaidaicin mafari don ƙara lambobi da gajarta lokacin jinkiri.

Don manyan batches, ƙa'idar 0.35 M sel/ml/°P ta shafi. Shigar da ƙayyadaddun ƙayyadaddun batch ɗin ku a cikin kalkuleta don guje wa ƙasƙanci don manyan girma ko manyan-OG lagers. Madaidaicin hanya tana kaiwa ga mafi tsaftar lagers da ƙarin daidaituwar attenuation.

Matsalar Haihuwar Haihuwa Takamaiman ga Wannan Matsala Mai Girma

A hankali farawa ya zama ruwan dare tare da lagers. Idan aiki ya tsaya a cikin sa'o'i 48 na farko, duba ƙimar ƙimar da iskar oxygen. Cikakken mai farawa ko fakitin smack na biyu yakan farka yisti maras nauyi. Bi diddigin nauyi yau da kullun don gano jinkirin jinkirin da wuri kuma ku guje wa matsalolin haifuwa.

Manne ko rashin cikawa na iya dakatar da ci gaba a ƙarshen gudu. Lokacin da matakan nauyi ya ƙare kusa da karatun ƙarshen da ake tsammani, ɗaga zafin jiki zuwa kusan 60-64 °F don hutun diacetyl. A hankali jujjuya fermenter don sake dakatar da yisti da ƙarfafa tsaftacewa. Waɗannan matakan suna rage damar makalewar fermentation Gambrinus yana haifar da ɗanɗano.

Diacetyl a cikin lager yana da wuyar tsanani tare da Wyeast 2002 lokacin da aka sarrafa shi daidai. Yi hutun diacetyl lokacin da nauyi ya kai kusan 1.012. Yawancin masu aikin gida suna ba da rahoton cewa ɗan gajeren lokaci mai dumi yana kawar da bayanin kula ba tare da cutar da halin kirki ba.

Esters masu yawa suna nunawa idan na farko ya yi zafi sosai. Ajiye fermentation na farko a ƙananan ƙarshen kewayon da aka ba da shawarar, 46-52 °F, don iyakance esters masu 'ya'yan itace. Idan esters ya bayyana, ɗan gajeren hutu mai zafi zai iya taimakawa yisti ya sake dawo da wasu mahadi.

Matsalolin flocculation da tsabta yawanci ana magance su ta yanayin sanyi. Wyeast 2002 yana da matsakaici-high flocculation amma yana da fa'ida daga hadarin sanyi da tsawaita lagering. Giya mai tsabta yana ɗaukar lokaci; haƙuri a ƙananan yanayin zafi yana inganta daidaitawa da gogewa.

• Kula da nauyi kuma kwatanta da raguwar da ake tsammani (~ 73%) don yin la'akari da ci gaba.
• Yi rikodin zafin jiki a matakin fermenter; saitunan firiji na iya bambanta da zafin giya.
• Oxygenate wort kafin fara girma; rashin isashshen iskar oxygen yana haifar da jinkirin farawa da lager fermentation al'amurran da suka shafi.

Lokacin bincikar fermentation Gambrinus, kawar da dalilai masu sauƙi na farko: ƙananan ƙididdiga, ƙananan zafin jiki, ko rashi na gina jiki. Gyara waɗannan kuma ba da lokacin yisti don yin aiki. Idan har yanzu nauyi ba zai gushe ba, yi la'akari da tada yisti ko ƙara sabo, mai ƙarfi lager Starter.

Don diacetyl a cikin lager, rigakafi ya yi nasara. Sanya yisti mai lafiya, kula da zafin jiki, da tsara hutun diacetyl kusa da babban nauyi. Waɗannan ayyukan suna magance yawancin matsaloli kuma suna dawo da giya akan hanya ba tare da tsangwama ba.

Yawaitawa da Kulawa: Lagering da Bayyanawa

Wyeast 2002 sananne ne don amintaccen tatsuniyar Gambrinus. Yana nuna matsakaici-high flocculation, yana tabbatar da yawancin yisti ya daidaita yadda ya kamata bayan fermentation. Masu shayarwa sukan lura da gadaje masu yisti masu matsewa, wanda ke haifar da giya mai tsabta.

Bayan fermentation mai aiki, an ba da shawarar ɗan gajeren hutu na diacetyl a 60 ° F na kwana ɗaya zuwa uku. Sa'an nan, kwantar da giya zuwa kusa-daskarewa don fara lagering tare da Wyeast 2002. Wannan lokacin sanyi mai sanyi, dadewar makonni da yawa, yana tsaftace malt da dandano mai dadi.

Masu shayarwa na gida yawanci suna lage har tsawon makonni biyu zuwa shida. Wasu girke-girke na iya buƙatar dogon ajiya. Dogon ajiya mai sanyi yana haɓaka haske kuma yana tsaftace ɗanɗanon ba tare da ɓoye halayen giyar ba.

Don ƙara goge giya, yi amfani da daidaitattun dabarun lager masu fayyace. Ciwon sanyi, abubuwan tarawa kamar gelatin ko isinglass, da tacewa a hankali suna da tasiri. Tabbatar da isasshen lokaci don daidaita kayan don haɗawa kafin shiryawa.

Daidaitaccen lagering tare da Wyeast 2002 yawanci yana haifar da ingantaccen bayanin martaba wanda ya ɗanɗana kai tsaye daga fermenter. Tsarin kwandishan yana haɓaka duka tsabta da dandano, yana ba da haske, lager mai ban sha'awa.

• Flocculation: matsakaici-high flocculation lager yisti yana kula da daidaitawa cikin aminci.
• Lagering: sanyi sanyi na makonni zuwa watanni yana tace dandano da tsabta.
• Bayyana lager: hadarin sanyi tare da fining ko tacewa yana inganta haske.

Shafaffen jirgin ruwan gilashi tare da giyan gwal na gwal yana nuna yawo da yisti da tashi kumfa Karin bayani

Halin Halitta, Sake-fitowa, da Yisti Girbi

Ƙarfin yisti na ruwa yana raguwa da lokaci. Koyaushe tabbatar da ƙira da fakitin kwanakin. Ajiye fakitin a cikin firiji. Don tsofaffin vials, shirya mai farawa don haɓaka ƙidayar tantanin halitta kafin sake saka Wyeast 2002 cikin lager.

Bayan fermentation na farko, girbi yisti ta hanyar zazzage slurry daga fermenter. A hankali a zubar da giya mai yawa, sa'an nan kuma sanya slurry a cikin kwalba mai tsabta. Ki kwantar da su da sauri. Tsaftacewa yana da mahimmanci don hana gurɓatawa yayin adana lager banki yisti don amfani a gaba.

Za a iya sake amfani da mafi girman nau'ikan sau da yawa, kodayake aikin na iya raguwa. Yi la'akari da yiwuwar Gambrinus tare da methylene blue ko hanyoyin tabo. Idan yuwuwar ta yi ƙasa, ƙirƙiri mai farawa don haɓaka kuzari kafin sake buga Wyeast 2002 a cikin wani tsari.

• Girbi yisti mai laushi: tattara daga mai tsabta mai tsabta, rage girman iskar oxygen, da kuma sanyaya a 34-40 ° F.
• Re-pitch Wyeast 2002: Yi amfani da mafari mai girman ma'aunin yisti lokacin da iyawar ta kasance ƙarƙashin ingantattun matakai.
• Yisti banki lager: lakabin kwalba tare da iri, kwanan wata, da ƙidayar tsara don sake amfani da su.

Asusu don asarar tantanin halitta tare da kowane tsara. Yi amfani da kalkuleta na yisti don tantance ƙarar farawa da ƙididdige ƙididdigewa don lambobin tantanin halitta. Wannan kayan aiki yana taimakawa wajen saita girman masu farawa masu amfani da jadawali don manyan lagers.

Karɓar slurry da aka girbe tare da matuƙar kulawa. Yi aiki a cikin yanayi mai tsabta, tulun tulu a hankali yayin daidaitawa, da hana kamuwa da cuta. Lokacin sake kunnawa, sannu a hankali dumi slurry kuma tabbatar da isasshen iskar oxygen lokacin yaduwa don dawo da aiki.

Don ajiya na dogon lokaci, yi la'akari da rarraba yisti da aka girbe zuwa ƙanana, masu lakabin juzu'i don bankin yisti da aka sarrafa. Juyawa ta cikin waɗannan kwalabe don guje wa ƙarnuka masu yawa da kuma kula da yuwuwar Gambrinus don daidaitattun sakamakon lager.

Kwatanta Wyeast 2002-PC zuwa Sauran Manyan Matsaloli

Lokacin kimanta nau'in yisti mai girma, ma'auni masu mahimmanci da yawa suna da mahimmanci. Wyeast 2002-PC, alal misali, matsakaita 73% attenuation da flocculates a matsakaici-high matakin. Wannan ma'auni yana tabbatar da tsabta ba tare da rasa halayen malt ba.

Wyeast 2002 ya yi fice a kan sauran nau'o'in musamman saboda juriyar yanayin zafi da bayanin martabar ester. Gambrinus ya yi fice a 8–13°C (46–56°F), yana samar da tsaftataccen esters da bayanin kula na fure. Wasu nau'ikan nau'ikan Jamusanci ko Czech, a gefe guda, suna aiki da ɗan zafi ko sanyi, suna haifar da mafi tsafta, sakamako mara tsaka tsaki.

Zaɓin yisti mai kyau ya dogara da sakamakon da ake so. Don lagers masu tsafta, nau'ikan da aka tallata azaman tsaka tsaki mai tsafta sun dace. Waɗanda ke neman mafi girma barasa ko ƙara ƙarfi attenuation na iya zaɓar nau'ikan tare da mafi girman juriya da kewayon attenuation fiye da Wyeast 2002.

Halin yawowa wani abu ne mai mahimmanci. Nau'o'i masu girma da yawa suna raguwa da sauri, suna haifar da giya mai haske da wuri. Sabanin haka, ƙananan zaɓuɓɓukan flocculating sun kasance a dakatar da su yayin sanyaya, suna tasiri hazo da jin baki.

• Attenuation: Wyeast 2002 ~ 73%; sauran nau'ikan suna bambanta ƙasa ko sama.
• Flocculation: matsakaici-high idan aka kwatanta da babba ko ƙananan iri.
• Haƙurin zafin jiki: 8-13 ° C na hali; sauran nau'ikan na iya fifita jeri daban-daban.
• Flavor: esters na dabara tare da bayanin kula na fure mai laushi tare da tsaftataccen tsafta ko fiye da nau'ikan halaye.

Don cikakken kwatancen yisti na lager, daidaita nau'in tare da salo da halayen yisti da ake so. Wyeast 2002 zaɓi ne mai dacewa don ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararru da yawa. Don bayanin martaba na ƙarshe na daban, bincika hanyoyin Gambrinus waɗanda suka dace da ƙayyadaddun ƙayyadaddun ƙayyadaddun buƙatun ku, yawo, da yanayin zafi.

Log ɗin Batch Mai Aiki: Misalin Haki daga Rahotannin Gida

Wannan gungu na gungu na Gambrinus yana ba da cikakken bayani game da ƙaramin tsari na pilsner wanda aka ƙera tare da kodadde pilsner malt da hopping haske. A girke-girke featured Excelsior Pils malt a matsayin tushe da Galena hops ga manufa IBU na 14.7. Manufar ita ce a cimma tsaftataccen bayanin martaba na gargajiya, wanda ya dace don kwatanta log ɗin fermentation.

Yin wasan ya faru a kusa da 47 °F tare da mafari mai ƙarfi. Fermentation, kamar yadda aka rubuta a cikin wannan rahoton Wyeast 2002 homebrew, ya ci gaba da kyau. Mai shayarwa ya lura cewa yisti ya kasance "a cikin ladabi da sauri," yana nuna daidaitaccen aiki a cikin kwanaki huɗu na farko.

Girman nauyi a cikin wannan misalin fermentation Gambrinus ya fara a 1.040 kuma ya ragu zuwa 1.007. Da zarar nauyi ya kai kusan 1.012, an ƙara yawan zafin jiki zuwa 60 °F don hutun diacetyl. Ba a sami diacetyl a cikin samfurin da aka ɗauka a lokacin ba.

Yisti ya nuna ƙaƙƙarfan ɗigon ruwa da tsaftataccen ɗanɗano. Bayanan ɗanɗano an haskaka "malty, mai tsabta, tare da laushi, bayanin fure." Mai shayarwa ya yanke shawarar girbi da yada yisti don batches na gaba. An sake maimaita wannan shawarar a cikin shigarwar rahoton gida na Wyeast 2002 da yawa.

Bayanan aiki don masu sana'a masu bin wannan log ɗin fermentation:

• Kula da nauyi da zafin jiki a hankali tun daga farko.
• Tsara hutun diacetyl kusa da m nauyi, kusan 1.012 a wannan yanayin.
• Yi tsammanin flocculation mai ƙarfin gwiwa da ƙare mai tsabta, manufa don lagers da pilsners.

Ɗauki wannan misalin Gambrinus na fermentation don tsara ƙaramin tsari na pilsner. Gambrinus batch log yana ba da matakai masu amfani da lokaci don sarrafa lager mai maimaitawa.

Kammalawa

Wyeast 2002 taƙaice: Wannan salon lager na Gambrinus zaɓi ne mai dogaro ga masu shayarwa da ke neman tsabta, lagers masu gaba. Yana ba da ƙarancin ester mai sauƙi. Tare da kusan 73% attenuation, matsakaici-high flocculation, da kuma kusan 9% haƙuri ABV, yana da tabbacin samar da tabbataccen sakamako idan an kafa shi daidai kuma an haɗe shi a cikin kewayon 46-56 ° F (8-13 ° C).

Bayanan kula: Don masu wasan pilners na nahiyoyi, lagers na gargajiya, da lagers irin na Amurka, bi matakan ƙira da aka ba da shawarar. Yi amfani da mafari don babban nauyi ko tsofaffin fakiti. Yi hutun diacetyl kusa da 60 °F kafin tsawaita lagering. Yawancin masu shayarwa suna ba da rahoton diacetyl kadan da kuma yanayin fure mai laushi lokacin da ake mutunta jadawalin. Wannan iri sau da yawa yana daidaita tsaftataccen fermentation tare da dabara mai daɗi.

Ƙimar ƙarshe: Ƙarshen bita na Gambrinus yana goyan bayan Wyeast 2002 a matsayin mai ƙarfi, zaɓi na lager mai amfani. Idan ka tambaya ya kamata in yi amfani da Wyeast 2002, hukuncin yisti na lager yana da kyau ga masu shayarwa na gida suna neman daidaito da kulawa mai dacewa. Yi amfani da lissafin yisti da ingantaccen sarrafa zafin jiki don samun mafi kyawun aiki da tsabta daga wannan iri.

Karin Karatu

Idan kuna jin daɗin wannan sakon, kuna iya kuma son waɗannan shawarwari:

• Gishiri mai Tashi tare da Fermentis SafLager W-34/70 Yisti
• Biya mai Hatsari tare da Yisti CellarScience Hazy
• Gishiri mai ƙonawa tare da Wyeast 3068 Weihenstephan Weizen Yeast