Giya Mai Haɗawa da Haɗin Yisti na Wyeast 3209-PC Oud Bruin Ale

Ruwan ale mai launin ruwan kasa mai duhu na ƙasar Belgium yana narkewa a cikin gilashin carboy a kan teburin katako na ƙauye, tare da kumfa krausen, iska mai ƙarfi, sha'ir da aka zubar, da kwano na hops kore a cikin wurin aiki mai ɗumi.
Danna ko danna hoton don ƙarin bayani da kuma ƙuduri mafi girma.

Key Takeaways

• An ƙera hadin Wyeast 3209-PC Oud Bruin Ale Yeast Blend don giya mai tsami da malt-forward.
• Hadin yana samar da sinadarin acid mai kaifi yayin da yake kiyaye yanayin malt.
• Mafi kyawun zafin jiki shine 64–84 °F; 70 °F misali ne na yau da kullun.
• Ƙarancin kwararar ruwa da takamaiman jagorar saurin gudu suna shafar tsarin farawa.
• Masana'anta ba da shawarar kada a fara fitar da iska idan akwai yiwuwar a yi amfani da O2 daga baya.
• Wannan bita na yisti na Oud Bruin ya haɗu da ƙayyadaddun bayanai na dakin gwaje-gwaje da ra'ayoyin masu yin giya don amfani mai amfani.

Me yasa za a zaɓi Wyeast 3209-PC Oud Bruin Ale Yeast Blend don giya mai tsami da malt-forward

Haɗa bayanin martaba da kuma salon da aka tsara

Wyeast ya sanya 3209-PC a matsayin gauraye na al'ada don duhun malt-forward sours. Yana haɗa ƙwayoyin halitta don lactic tang, funk mai kauri, da kuma ƙashin bayan malt mai ƙarfi. An zaɓi wannan haɗin don girke-girke waɗanda ke neman ƙarewa mai laushi, mai kama da malt-forward, yana guje wa kaifi ko kama da ganga.

Tasirin ɗanɗanon da ake tsammani: ƙaiƙayi mai kaifi tare da yanayin malt da aka kiyaye

Wannan haɗin yana alƙawarin samun ɗanɗanon lactic a gaba, tare da zaƙin malt da ke daɗewa. Acid ɗin da Lactobacillus ke haifarwa yana ƙara ɗanɗanon, yayin da Saccharomyces da Brettanomyces ke ƙara phenolics na jiki da hadaddun phenolics. Sakamakon shine aikin yisti mai tsami da malt: ƙarancin acidity, jin daɗin baki, da kuma ɗanɗanon funk mai kyau tare da tsufa.

Yadda yake kwatantawa da sauran gaurayen sour na Wyeast kamar De Bom da na gargajiya na 3763 Roselaere

Ra'ayoyin masu yin giya a gida sau da yawa suna haɗa wannan gauraya da De Bom da 3763 Roselaere. An san De Bom da saurin narkewa amma yana iya fuskantar haɗarin rashin isasshen iskar oxygen. A gefe guda kuma, ana girmama Roselaere saboda tsananin acid ɗinsa da raguwar sa.

Abubuwan da za a iya ɗauka daga ƙwarewar al'umma

• Yawancin masu yin giya suna ba da rahoton matsakaicin acidity a cikin makonni shida tare da ƙarancin haɓakar pellicle lokacin amfani da wannan haɗin.
• Oud Bruin yana jan hankalin waɗanda ke guje wa yanayin iska mai ƙarfi ko kuma yanayin barnar da ke da rikitarwa yayin da suke kiyaye rikitarwa.
• Kula da iskar oxygen da kuma jurewar haƙuri yana haifar da daidaiton yanayin yisti mai tsami da malt maimakon lahani kamar vinegar.

Fahimtar ilimin halittar ƙwayoyin cuta da kuma halayen haɗin

Wyeast 3209-PC wani nau'in al'ada ne da aka tsara don daidaita fermentation da balaga. Yana haɗa saurin juye sukari, ƙara yawan lactic acid, da kuma jinkirin haɓakar funk. Wannan haɗin yana kiyaye yanayin malt a tsakiya yayin da acidity da rikitarwa ke canzawa akan lokaci.

Saccharomyces, Brettanomyces, da Lactobacillus suna taka rawa a cikin fermentation

Saccharomyces shine babban ƙarfin da ke haifar da fermentation na giya, wanda ke cimma mafi yawan raguwar tasirinsa. Lactobacillus yana gabatar da lactic acid da wuri, yana tabbatar da yanayin tsamin giyar. A halin yanzu, Brettanomyces yana ba da gudummawar esters, phenolics, da funk waɗanda ke canzawa akan lokaci. Wannan haɗin gwiwa yana tabbatar da rikitarwa ba tare da rage kasancewar malt ba.

Flocculation, bayanin ragewa da kuma ma'anar su ga ƙarfin ku na ƙarshe

Wyeast ya lura cewa wannan haɗin yana da ƙarancin flocculation, ma'ana ƙwayoyin suna nan a tsaye kuma suna aiki. Girke-girke na samfurin yana nuna OG na 1.056 da FG na 1.013, yana nuna raguwar kashi 78%. Wannan ƙarancin flocculation yana tallafawa ci gaba da ayyukan Brett da Lactobacillus, wanda zai iya rage ƙarfin nauyi. Nauyin ƙarshe na iya bambanta dangane da girman sautin, lafiyar farawa, da tsawon lokacin fermentation.

Gudanar da iskar oxygen da kuma jagorar allurar O2 mai cike da ce-ce-ku-ce daga masana'anta

Masana'antar ta ba da shawarar iyakance iskar oxygen da kuma yiwuwar allurar oxygen daga baya don haɓaka samar da ethyl acetate. Iskar oxygen na iya ƙarfafa ayyukan Brett kuma, tare da Acetobacter da ke akwai, yana ƙara samuwar acetic acid. Duk da haka, masu yin giya da yawa suna taka tsantsan game da yawan iskar oxygen saboda haɗarin vinegar da esters masu kama da solvent.

Ingantaccen tsari ya haɗa da rage sararin kai, guje wa fesawa da zarar ƙwayoyin cuta masu samar da acid sun fara aiki, da kuma amfani da ƙarancin iskar oxygen da aka auna idan an sha magani. Lokaci yana da mahimmanci: iskar oxygen da aka sarrafa da wuri tana tallafawa lafiyar yisti, yayin da iskar oxygen da aka maimaita a makare na iya ƙara yawan iskar acid mai canzawa. Kula da fallasa iskar oxygen shine mabuɗin cimma sarkakiyar da ake so daga ilimin halittar ƙwayoyin cuta na al'ada iri-iri.

Girke-girke da salon da aka tsara sun dace da haɗin Oud Bruin

Hadin Oud Bruin yana haskakawa idan ana son samun zurfin malt da kuma sinadarin acid mai ƙarfi. Yana da kyau a girke-girke waɗanda ke riƙe da kashin baya mai zagaye yayin da yake ƙara ɗanɗanon lactic. Ya fi dacewa da giya waɗanda ke son sarkakiya fiye da hasken hop.

Giya irin ta Oud Bruin da Flanders: bayanin martaba mai tsami na malt-forward

Jajayen launukan Oud Bruin da Flanders suna buƙatar yanayin malt mai kyau tare da ɗanɗanon ɗanɗanon da aka auna. Haɗa Munich, CaraMunich, da ɗanɗanon Munich mai ɗanɗanon ɗanɗanon baƙi ko duhu don yin tushe mai gasasshe da biskit. Al'adar gaurayawan haɗin yana riƙe da ɗanɗanon da ya rage, yana haɓaka ɗanɗanon lactic mai daɗi wanda ke ƙara wa esters na malt.

Dark-malty sours da kuma sour stouts na 'ya'yan itace

Sours masu duhu-malty suna amfana daga ikon haɗin don daidaita gasasshen da acidity. Haɗa Wyeast 3209 tare da malts masu duhu da ƙarin 'ya'yan itace yana ba da sakamako mai kyau. Sour stout tare da blackberries yana amfana daga jikin da aka kiyaye da kuma ɗanɗanon da aka yi da haɗin. 'Ya'yan itace yana ƙara haske ba tare da rage zurfin malt ba. Duk nau'ikan da aka cire da kuma dukkan hatsi suna yin nasara tare da ɗanɗanon da aka yi da kyau da kuma lokacin 'ya'yan itace.

Lokacin da za a guji amfani da gaurayawan (salon tsalle-tsalle masu laushi)

A guji amfani da gaurayen giyar hoppy inda ƙamshin hop da ɗaci dole ne su mamaye. IPAs da pale ales suna rasa haske lokacin da al'adu masu gauraye da Brettanomyces ke hulɗa da hop volatiles. Zaɓi nau'in Saccharomyces mai tsabta a cikin girke-girke na hop-forward don kare mahaɗan hop masu canzawa da kuma kiyaye halayen hop mai kaifi.

Misalin girke-girke na hatsi gaba ɗaya wanda aka inganta don haɗin Wyeast 3209-PC Oud Bruin Ale Yeast Blend

Wannan girke-girke na Oud Bruin mai hatsi gaba ɗaya ya mayar da hankali kan sarkakiyar malt da kuma tsalle-tsalle masu tsauri. An tsara shi ne don nuna cakudawar yisti ta Wyeast 3209-PC Oud Bruin Ale. Manufar lissafin hatsi, tsarin hop, da mash shine don haɓaka dandano mai tsami daidai gwargwado. Hakanan suna kiyaye jiki da launi.

Shawarar lissafin hatsi don rukunin galan 6:

• Pilsner 9.00 lb (67.9%)
• CaraMunich 2.00 lb (15.1%)
• 1.00 lb Munich Dark 20L (7.5%)
• Masara Mai Faɗi 0.50 lb (3.8%)
• Alkama 0.50 fam (3.8%)
• 0.25 lb Baƙin da ba shi da ɗaci (1.9%)

Zaɓin Hop da dabarun ɗaci:

• Kwalaben Hallertau Hersbrucker na oz 1.75 a minti 60. Ƙaramin AA yana kiyaye malt da tsami yayin da yake ba da gudummawa ga ~23.24 IBU (Tinseth).
• Abincin Giya na Whirlfoc da Wyeast a minti 10 don taimakawa wajen haske da lafiyar yisti.

Tsarin aiki da kuma kula da ruwa:

• Dafa jiko sau ɗaya a zafin 152°F na minti 60. A fara zafin hatsi kusa da 77°F don a iya hasashen canjin.
• PH ɗin da aka yi niyya da shi ya kai 5.35. Ƙara gypsum mai nauyin oza 1.5 a cikin da aka yi niyya don taimakawa wajen cimma burin da aka yi niyya da shi na pH 5.35 da kuma kaifafa ma'aunin malt.
• A zuba ruwa ~galan 3.5 don kauri na niƙa kusan 1.75 qt/lb. A zuba a zafin 170°F don ya kai galan kafin ya tafasa kafin ya tafasa kafin ya tafasa sannan a zuba galan 6 bayan ya tafasa.

Ƙididdigar rukuni da kuma aikin da ake tsammani:

• OG 1.056, FG 1.013, ABV ~ 5.6%.
• SRM ~20.7 da IBU ~23.24 don bayanin martaba mai tsami mai malt.

Bayanan kula akan bambance-bambancen da tasirin girke-girke na Pilsner CaraMunich:

• Rage launin CaraMunich yana canza launi da zaƙi zuwa ga busasshiyar gamawa. Wannan dabarar ta bi tsarin girke-girke na Pilsner CaraMunich don kiyaye tsabtar malt da bayanin biskit.
• Yin amfani da Hallertau Hersbrucker a matsayin babban hop mai ɗaci yana rage ƙamshin hop kuma yana ba da damar yin amfani da acidity da malt don bayyana kansu.

Zaɓuɓɓukan cirewa da cirewa na ɗan lokaci yayin amfani da haɗin Oud Bruin

Yin giyar da aka samo daga 'ya'yan itace yana rage lokacin yin giya, yana ba da damar samun giya mai tsami mai rikitarwa da malt-for-malt. Daidaito ne da masu yin giya na gida da yawa ke ganin yana da kyau. Wannan hanyar tana tabbatar da cewa an kiyaye ƙa'idodin jiki da malt, koda kuwa an cire su.

Fa'idodi da fa'idodi na amfani da LME/DME don giya mai tsami

Ruwan malt mai ruwa da busasshe yana sauƙaƙa sarrafa hatsi da rage buƙatun kayan aikin mashed. Man shafawa mai tsami na LME DME zai iya samun kyakkyawan yanayin malt cikin sauri. Wannan yana sauƙaƙa mai da hankali kan fermentation da ƙara 'ya'yan itace. Duk da haka, yana ba da ƙarancin iko kai tsaye kan fermentation da ƙarancin zaɓuɓɓuka don daidaita sukari da aka samo daga mashed.

Cirewar na iya ƙara ɗanɗano idan tafasa, tsaftacewa, ko kuma ƙin yin ƙwai bai yi kyau ba.

Malts na musamman masu ƙarfi idan aka kwatanta da cikakken hatsi

Man shanu na musamman da aka dafa a zafin digiri 165 na Fahrenheit na mintuna 20-30 yana kiyaye dextrins da waɗanda ba su yi yolk ba. Wannan yana ba jiki ga duhu mai tsami. Man shanu na musamman da aka dafa ya fi sauƙi kuma yana guje wa buƙatar man shanu mai laushi.

Yi amfani da CaraMunich II, cakulan rye, gasasshen sha'ir, da makamantansu. Suna riƙe da zaƙi kuma suna gasawa ba tare da cire phenolic masu ƙarfi ba.

Daidaita girke-girke don kare ma'aunin malt da jiki tare da cirewa

Lokacin gina girke-girke na Oud Bruin, a ƙara wasu sinadarai masu gina jiki kamar alkama ko hatsin rai. Wannan yana inganta jin daɗin baki. A lura da yawan sinadarin yayin tafasa kuma a yi amfani da shi sosai don rage abubuwan da ke haifar da dimethyl sulfide.

Daidaita yawan hop mai ƙanƙanta sosai ga ruwan 'ya'yan itace mai kama da malt. Sauƙin tsalle-tsalle yana taimakawa 'ya'yan itatuwa da acidity na lactic su yi haske ba tare da ɓoye daidaiton malt ba.

• Misalin misalan da masu yin giya da yawa ke amfani da su: haɗa Briess CBW Rye LME da Munton's Wheat DME tare da hatsi na musamman masu tsayi don samun ingantaccen LME DME sour stout.
• Dafa a zafin jiki na 165°F na minti 30, sannan a zuba ruwan da aka samo a rabin karshe na tafasa don rage duhu da kuma kara launin ruwan kasa.
• Yi la'akari da ƙarin 'ya'yan itace da itacen oak bayan an fara ƙarawa; giya mai tsami da aka cire tare da blackberries mai nauyin kilo 3.75 da itacen oak da aka jiƙa da calvados ya nuna FG ~1.012 da pH ~3.67 a cikin gwajin al'umma.

Nasihu masu amfani: sake shayar da Wyeast ruwa yadda ya kamata, kula da tsafta sosai, da kuma zaɓar jadawalin tafasa wanda zai hana fitar da ƙura. Waɗannan matakan suna rage haɗarin "daɗin gida". Suna taimakawa gaurayawan ya samar da hadaddun lactic da ake tsammani daga fermentation na Oud Bruin.

Bayanin ruwa da ƙarin ma'adinai don ruwan tsami mai launin malt

Samar da yanayin ruwa don Oud Bruin mai sauƙi, malt yana buƙatar mai da hankali kan chloride don ƙara jin daɗin baki. Ya kamata a kiyaye sulfates matsakaici don hana bushewa mai tsanani. Fara da taswirar ma'adinai: Ca 60 ppm, Mg 5 ppm, Na 10 ppm, Cl 95 ppm, SO4 55 ppm, HCO3 0. Wannan daidaito yana tallafawa cikar malt da ɗanɗanon acid, yana kiyaye ƙananan alamun malt masu duhu.

Ƙara gypsum abu ne mai mahimmanci, yana samar da sinadarin calcium da sulfate waɗanda ke shafar aikin enzyme da kuma mashed pH. Ga samfurin girke-girke na hatsi, ana ƙara kimanin oza 1.5 na gypsum a cikin mashed ɗin. Wannan yana samar da sinadarin calcium da ake buƙata kuma yana ƙara sulfate zuwa matakin da ake so. Idan ruwan ku bai da chloride, ƙaramin adadin calcium chloride ko CaCl2 na abinci zai iya haɓaka rabon chloride zuwa sulfate, yana zagaye bakin.

Ga rukunin galan 6, tsarin yana da sauƙi. Jimillar ruwan da ake sha yana da kimanin galan 9.41, gami da strike da sparge. Yi niyya don samun ruwan strike don cimma kauri kusan 1.75 qt/lb na mash, wanda yake kimanin galan 5.8 don lissafin hatsi. Yawan mash ɗin da aka sha tare da hatsi yana da kimanin galan 6.86, tare da shan hatsi kusa da galan 1.66. Wannan yana barin kimanin galan 3.61 don sparge, wanda ke haifar da girman kafin tafasa na kimanin galan 7.5. An shirya tafasa zai bar galan 6 a cikin mai fermentor.

• Auna ma'adanai na asali a cikin famfon ku ko ruwan RO da farko.
• Sai a zuba gypsum mai nauyin oza 1.5 kai tsaye a cikin ruwan da aka dafa kafin a zuba a cikin ruwan domin a samu daidaiton rarrabawa.
• Ƙara ƙaramin adadin calcium chloride idan chloride ya kasance ƙasa da 95 ppm don daidaita rabon chloride zuwa sulfate.

Tsarin sarrafa pH na mash yana nufin kimanin 5.35 a zafin mashin. Ƙarin ma'adanai da zafin mashin na iya shafar pH, don haka a auna da mita mai daidaitawa bayan an gama mashin. Idan pH ɗin yana da yawa, a yi amfani da acid mai lactic ko phosphoric na abinci a cikin ƙarin 0.5 mL kuma a sake duba shi. Idan yanayin pH ɗin ya yi ƙasa sosai, ana iya amfani da ɗan lemun tsami ko baking soda a hankali.

A cikin wani tsari na fitar da sinadarin chloride mai kama da na al'umma, masu yin giya sun ƙara kimanin gram 2 na CaCl don isa ga sinadarin chloride da ake so ba tare da ɓata matakan sinadarin calcium ba. Bi diddigin jimillar ƙarin ion kuma sake ƙididdigewa idan ya cancanta. Tsarin ruwa mai daidaito ga Oud Bruin a cikin rukuni yana tabbatar da yanayin malt da ake tsammani da kuma ikon sarrafa pH na mash don sakamako mai maimaitawa.

Gilashin gilashi da kwalban ma'adinai a cikin wani gidan giya na ƙauye, suna kwatanta sinadaran ruwa na giyar Oud Bruin.
Danna ko danna hoton don ƙarin bayani da kuma ƙuduri mafi girma.

Amfani da yisti: yin amfani da shi, farawa, da kuma yanayin zafi mai kyau na fermentation

Kula da yisti yadda ya kamata yana da matuƙar muhimmanci ga Oud Bruin mai tsabta da aka sarrafa. Bi matakai masu sauƙi don shirya fakiti, ƙimar sautin sauti, da kuma daidaita zafin jiki. Wannan yana tabbatar da cewa an sarrafa Saccharomyces da wuri, wanda ke ba Brettanomyces da Lactobacillus damar ƙara rikitarwa daga baya.

Wyeast 3209 ya ba da shawarar a yi amfani da matsakaicin ƙarfin sauti na kimanin 0.35 (M cells/ml/°P). Ga giya ta yau da kullun, ana ba da shawarar kimanin ƙwayoyin halitta biliyan 110. Yi amfani da wannan a matsayin tushen galan 6 ko mafi girman nauyi. Kula da fakiti abu ne mai sauƙi: a sha ruwa kamar yadda Wyeast ya umarta kuma a guji girgiza yanayin zafi lokacin ƙara wa wort mai sanyi.

Lokacin da za a yi Oud Bruin Starter:

• Yi amfani da wort fiye da ~1.055 OG, don tsofaffin fakiti, ko kuma lokacin da kake son fermentation mai sauri da za a iya tsammani daga Saccharomyces.
• Maganin farko yana taimaka wa Saccharomyces ya kafa rinjaye, wanda ke rage yawan fermentation na farko kuma yana rage yiwuwar kamuwa da ƙwayoyin cuta marasa so.
• Idan fakitin sabo ne kuma nauyi yana da matsakaici, bayanin Wyeast "Starter: A'a" ya dace da yawancin masu yin giya a gida waɗanda ke karɓar rago mai jinkiri.

Nasihu kan girman farawa:

• Don rukunin galan 6, mai nauyin 1.056 OG, yi niyya ga mai farawa wanda zai kawo adadin ƙwayoyin halitta masu rai kusa da shawarar fakitin maimakon dogaro da fakitin smack guda ɗaya.
• Yi amfani da makullin farko mai lita 1-2 don ƙara girmansa; ƙara girmansa idan ya yi girma zuwa ga mafi ƙarfi ko kuma idan fakitin ya yi watanni da yawa.

Zafin fermentation shine yanayin da aka ayyana don wannan cakuda. Yawancin masu yin giya sun fi son ƙaramin taga na 65–72 °F. Wannan yana daidaita raguwar Saccharomyces da kuma auna girman Brett da Lactobacillus. Gudanar da fermentation a kusa da 70 °F sau da yawa yana haifar da yanayin malt mai tsabta tare da ci gaban acid mai dorewa.

Bayanan kula da yanayin zafi:

• Ƙasa a cikin kewayon yana rage samuwar ester da acid yayin da yake kiyaye sautin malt.
• Mafi girma a cikin kewayon yana hanzarta samar da acid da ester amma yana ƙara haɗarin bayyanar sinadarai masu narkewa.
• A kiyaye yanayin zafi mai kyau ta cikin ɗaki ko naɗewa; a guji yin amfani da manyan canje-canje da ke ƙara yawan zafin jiki.

Jerin abubuwan da ake buƙata kafin a fara gasar:

• Tabbatar cewa zafin wort ya dace da yanayin zafin yisti.
• Yi shawara kan farawar Oud Bruin bisa ga nauyi da shekarun fakitin.
• Yi niyya don samun ƙimar bugun da aka ba da shawarar Wyeast 3209 don rage lokacin jinkiri da inganta raguwar gudu.

A kula da sa'o'i 48 na farko sosai. Ingancin fermentation mai kyau da aiki a zafin fermentation da aka zaɓa 64-84 F yana rage lokacin fermentation kuma yana kiyaye giyar a kan hanyar dandano da aka nufa.

Dabarun iskar oxygen, shawarwarin iskar oxygen, da kuma ayyukan aminci

Sarrafa iskar oxygen a cikin gaurayen fermentation yana canza daidaito tsakanin haɗarin lactic souring da oxidative. Masu yin giya sau da yawa suna muhawara tsakanin rashin iskar oxygen ta farko da kuma yawan iskar oxygen daga baya don tsara bayanan ester da acid. Jagorori masu haske da ƙananan matakai suna taimakawa wajen iyakance acetic acid yayin da suke kiyaye rikitarwa mai zurfi.

Babu dalilin iska ta farko

Wasu masu yin giya sun zaɓi su daina amfani da iskar oxygen a lokacin da suke yin giya don ƙara wa aikin Lactobacillus da kuma rage yawan Saccharomyces. Wannan hanyar za ta iya hanzarta samar da lactic ta hanyar da aka tsara. Tana samar da ƙarin sinadarin acid mai zagaye da malt-gaba.

Haɗari da fa'idodin da aka auna na iskar oxygen daga baya

Gabatar da iskar oxygen daga baya zai iya tura samuwar ester kuma ya ba da gudummawa ga sarrafa ethyl acetate. Wannan yana shafar alamun 'ya'yan itace da masu narkewa kamar na ruwa. Ƙananan bugun iskar oxygen da aka sarrafa na iya canza esters ba tare da lalata giya ba. Duk da haka, suna da haɗarin ƙarfafa Acetobacter da yawan acidity mai canzawa.

• Yi amfani da micro-oxygenation kawai idan za ka iya sa ido kan pH da ƙamshi akai-akai.
• A rage yawan iskar oxygen da ake ƙarawa sannan a shafa a cikin ɗan gajeren lokaci maimakon a sha magani ɗaya mai yawa.
• Yi la'akari da tsarin da aka rufe ko ganga masu iskar oxygen don ɗaukar su a hankali da kuma iya hasashen yadda za a iya ɗauka.

Matakai masu amfani don iyakance acetic acid yayin da ake barin rikitarwa

Hana lahani irin na vinegar yana nufin rage iskar da ba a yi niyya ba da kuma sarrafa ƙwayoyin cuta masu yaɗuwa. Tsafta, matsewa mai ƙarfi, da kuma hanzarta canja wurin abubuwa suna taimakawa wajen rage samuwar acetic acid a lokacin da kuma bayan fermentation.

• A rufe tasoshin jini da zarar an fara yin fermentation na farko don hana allurar Acetobacter da ke cikin iska.
• Idan kana ƙoƙarin auna yawan iskar oxygen, rubuta adadin, lokaci, da canje-canjen ji don inganta hanyar da kake bi.
• Yi amfani da kayan da ba su da tsafta kuma a guji canja wurin da ba a buɗe ba; tara ganga yana haifar da haɗari sai dai idan an kula da ganga sosai.
• Kula da pH da ƙamshi; ƙaruwar acidity mai canzawa ko bayanin vinegar mai kaifi yana nuna dakatar da ƙarin iskar oxygen nan take.

Daidaita yawan iskar oxygen a cikin giya mai tsami tare da tsarin da aka rubuta mai kyau, yana bawa masu yin giya damar yin tasiri ga sakamakon ester da acidity. Kula da Ethyl acetate yana farawa da ƙananan motsi da gangan da kuma tsafta mai tsauri don kare rukunin.

Wani masanin kimiyya sanye da kayan dakin gwaji da gilashin kariya yana duba gilashin giya mai duhu kusa da tankin fermentation na bakin karfe da ke kumfa a cikin wani kamfanin giya na kasuwanci.
Danna ko danna hoton don ƙarin bayani da kuma ƙuduri mafi girma.

Kula da fermentation: nauyi, pH, da wuraren duba firikwensin

Kula da yadda ruwan Oud Bruin ke fitowa yana da matuƙar muhimmanci ga nasara. A riƙa lura da nauyin jiki da kuma pH akai-akai. Haka kuma, a lura da duk wani canji a gani da ƙamshi a lokacin fermentation na farko da tsufa. Waɗannan abubuwan da aka lura suna taimaka muku kwatanta ci gaban giyar ku da ma'aunin da ake tsammani. Suna jagorantar shawarwarinku kan lokacin da za ku ƙara 'ya'yan itace ko a canja su zuwa ganga.

Lambobin nauyi suna ba da ma'auni mai amfani. Ga girke-girke da yawa na Oud Bruin na hatsi, nau'in OG FG 1.056 1.013 iri ɗaya ne, wanda ke haifar da kusan 5.6% ABV. Misalin ɗanɗanon sour stout yana da OG na 1.055 da FG na 1.012, kusan 5.7% ABV. A lura da nauyi sau biyu a mako da wuri, sannan sau ɗaya a mako yayin da fermentation ke raguwa.

Ma'aunin pH na yau da kullun yana da mahimmanci don bin diddigin canje-canjen sinadarai na halitta. pH na wort yawanci yana farawa ne daga kusan 5.2–5.6. Yayin da lactic acid ke taruwa yayin tsami, pH ya kamata ya ragu. Yi niyya don samun pH na ƙarshe tsakanin 3.4 da 3.8 don kaifi da ake so. Gwada pH kafin ƙara 'ya'yan itace da kuma sake yin amfani da shi a wurin yin kek ko kwalba.

Binciken ji yana da mahimmanci kamar karatun kayan aiki. Nemi samuwar pellicle, wanda ke nuna aikin Brettanomyces ko Pediococcus. Wasu rukuni bazai nuna pellicle ba tsawon makonni, yayin da wasu kuma suna samar da shi cikin wata guda. Yana da ƙanshin alamun goge farce mai ƙarfi daga ethyl acetate ko vinegar mai tsabta daga acetic acid. Waɗannan ƙanshin da ba sa haifar da iskar shaka ko rashin son kasancewar Acetobacter.

Yi amfani da jerin abubuwan da aka lissafa a kowane ziyara:

• Yi rikodin karatun zafin jiki da nauyi.
• Rubuta pH kuma lura da duk wani faɗuwa ko tsayawa kwatsam.
• Duba saman don ganin samuwar ƙwayoyin halitta da kuma lura da yanayinsu.
• A shanye ruwan da ke narkewa, vinegar, ko kuma wani abu da ba ya ƙamshi kafin a ɗanɗana.

Ɗanɗanon abu ne da aka tsara. A ɗauki ƙananan samfura bayan watanni biyu don tantance yawan da'awar da ke haifar da tsami. Ɗanɗanon farko yana nuna ƙaiƙayi mai kaifi da kuma esters. Tsufa na dogon lokaci yawanci yakan tausasa gefuna kuma yana haɗa malt, 'ya'yan itace, da halayen Brett. A ajiye bayanai don inganta rukunin da za a yi nan gaba.

Ƙarin 'ya'yan itace da tsufar itacen oak tare da haɗin Oud Bruin

Gabatar da 'ya'yan itace da itacen oak a cikin ruwan Oud Bruin yana canza yanayin giyar, ƙamshi, da kuma sinadarin acid. Masu yin giya dole ne su yi la'akari da lokaci, tsafta, da kuma yanayin ɗanɗanon da ake so. Gwaje-gwajen ƙananan matakai suna da mahimmanci don cimma daidaiton giya mai tsami mai kama da malt wanda ke kiyaye rikitarwa ba tare da yin kaifi sosai ba.

Lokacin da ake ƙara 'ya'yan itace yana da matuƙar muhimmanci. Ƙara 'ya'yan itace a cikin babban fermentation na iya haifar da yis da ƙwayoyin cuta suna cin sukari sabo, suna canza fermentation da ƙirƙirar esters marasa tabbas. Canja wurin zuwa wani jirgin ruwa na biyu yana ba da damar samun ingantaccen iko akan fitar da 'ya'yan itace da kuma rage hulɗar yis. Misalai masu nasara sun haɗa da barin giya ta zauna na tsawon wata guda kafin a canza ta, sannan a ƙara yawan 'ya'yan itacen blackberry.

• Ƙarin farko: cirewa da sauri, rage yawan aiki, ƙarancin iko akan microflora.
• Ƙarawa ta biyu: 'ya'yan itace masu tsabta, sauƙin tsaftacewa, da kuma auna fitar da su.
• Jikewa cikin sanyi bayan an canza shi: yana rage ƙwai a kan 'ya'yan itace kuma yana kiyaye ƙamshi.

'Ya'yan itacen blackberry, ceri, da plums sanannu ne wajen ƙara 'ya'yan itace. 'Ya'yan itacen blackberry suna ƙara wa Oud Bruin dandanon ruwan inabi, mai duhu, wanda ke ƙara ɗanɗanon malt. 'Ya'yan itacen blackberry suna ƙara ɗanɗanon acidic mai haske wanda zai iya ƙara fahimtar tsami. 'Ya'yan itacen plum suna ba da gudummawa ga zurfin 'ya'yan itacen dutse mai zagaye wanda ke haɗuwa da kyau tare da bayanin apple-brandy daga maganin jiƙa calvados na itacen oak.

Tsufawar itacen oak yana haifar da tannins, vanillin, da kuma irinsu kamar ganga. Masu yin giya da yawa suna zaɓar ƙananan cubes ko spirals masu matsakaicin gasasshen biredi. Jiƙa itacen oak a cikin calvados kafin a ƙara shi yana ƙara ɗanɗanon apple brandy da kuma ɗumin 'ya'yan itace na ruhin Normandy. Jiƙan calvados mai aunawa - kamar cubes shida da ɗan ruwa mai kauri - yana ƙara tsari kuma yana rage fahimtar kaifin.

Haɗa 'ya'yan itatuwa da itacen oak cikin tunani. Tannins na itacen oak na iya ɗaure 'ya'yan itace masu haske da kuma kare daidaiton malt yayin da suke rage gefuna masu kaifi. 'Ya'yan itacen suna ƙara sukari mai narkewa da acid na halitta, wanda ke tasiri ga fahimtar tsami ko zagaye bisa ga lokaci. Kula da pH da ɗanɗano a kowane mako biyu yayin tsufa don yanke shawara lokacin da za a cire 'ya'yan itacen ko itacen oak.

• Tsaftace 'ya'yan itatuwa: 'ya'yan itacen da aka daskare da kuma waɗanda aka rufe da injin tsotsa suna rage ƙwayoyin cuta. A narke a cikin tukunya mai tsafta sannan a canza su da sauri.
• Fara da yawan 'ya'yan itatuwa masu ra'ayin mazan jiya; ƙara ƙarin 'ya'yan itace a matakai idan an rage dandano. Misalin ruwan da aka samo daga al'umma ya yi amfani da blackberries mai daskararre lb 3.75, sannan plum na bakin teku lb 1 bayan kwana huɗu.
• A duba nauyi da pH kafin da bayan ƙarawa. A bi diddigin canje-canje kuma a rubuta lokacin da za a yi amfani da 'ya'yan itatuwa da itacen oak don samun sakamako mai maimaitawa.

Ci gaba da mai da hankali kan bayanin ɗanɗano da kuma manufa. Ƙara 'ya'yan itacen da aka dafa a lokaci mai kyau da kuma jiƙawar calvados na itacen oak zai iya ƙara sarkakiya, ƙara ɗumi, da kuma kiyaye malt-ascenced sour profile homebrewers ta amfani da Wyeast 3209-PC Oud Bruin Ale Yeast Blend. Yanke shawara kan lokacin da za a ƙara 'ya'yan itace bisa ga haske da ake so, aikin fermentation, da kuma matakin jin daɗin tsafta.

Wurin yin giya na ƙauye tare da ganga na giya mai tsami da aka kewaye da strawberries, raspberries, da ceri.
Danna ko danna hoton don ƙarin bayani da kuma ƙuduri mafi girma.

Gyaran giya, yin biredi, da kuma amfani da carbonation don giya irin ta Oud Bruin

Daidaiton giya mai kyau shine mabuɗin cimma daidaito a cikin giya mai tsami ta malt-for-sour. Yi ƙoƙarin rage sinadarin carbonation mai laushi wanda ke ƙara yawan sinadarin acid ɗin giya ba tare da ya mamaye ƙashin bayan malt ba. A ƙasa, za mu tattauna yadda ake yin priming, zaɓin tsakanin kwalba da keg, da kuma shawarwarin yin hidima don wannan abincin Oud Bruin na gargajiya.

Ga wani nau'in hatsi mai galan shida, yi amfani da oza 6.3 na dextrose don yin amfani da shi. Wannan adadin yana nufin carbonation a cikin adadin 2.5 na CO2. Irin wannan carbonation yana haifar da laushi da gajeriyar kai, yana ƙara ɗanɗanon giya mai zagaye da malt.

Zubar da giya mai tsami a cikin kwalba tare da gauraye iri-iri yana haifar da raguwar carbonation a hankali. Daidaita kwalba yana ba da damar ci gaba da ƙara ɗanɗano da haɓaka dandano. A riƙa duba kwalbar samfurin akai-akai don guje wa matsi da yawa lokacin da yis ɗin daji ke aiki.

Giyar giya mai tsami tana ba da cikakken iko kan iskar carbonation kuma tana rage bambancin kwalba zuwa kwalba. Yawancin masu yin giya suna ƙara yawan giyar da aka haɗa kafin su koma kegging da force-carbonating lokacin da dandanon ya fi kyau. Yi amfani da bawul ɗin spunding ko jadawalin soft-carbonation don samun cikakkiyar kamala ta halitta ba tare da cikakken force-carb ba.

• Shawarar da za a yi amfani da ita: a narkar da dextrose a cikin ruwan zãfi, sannan a bar shi ya huce kafin a ƙara a cikin giyar don rage haɗarin kamuwa da cuta.
• Bayanin kwalba: a adana a zafin ɗakin ajiya na tsawon watanni; al'adu daban-daban galibi suna buƙatar lokaci don daidaita sinadarin carbonation da dandano.
• Bayanin Kegging: sanyi ya faɗi kafin a canza shi zuwa ga jiƙa yisti da ƙura; saita mai daidaita carbonation da ake so a cikin girman 2.5 kuma a bar awanni 24-72 su daidaita da matsin lamba na hidima.

A ba da giya irin ta Oud Bruin a ɗan sanyaya kaɗan, kimanin digiri 50-55 na Fahrenheit, don ƙara wa malt da dandanon tsami mai rikitarwa. A yi amfani da gilashin da ke ɗauke da ƙamshi kuma yana nuna matsakaicin sinadarin carbonation. A yi amfani da sinadarin carbonation a cikin adadin 2.5 don a riƙe kai da kuma bakin da ke mai da hankali kan daidaito maimakon ƙarfin kuzari.

Matsalolin da ake yawan fuskanta da kuma magance matsaloli yayin amfani da haɗin Oud Bruin

Yin aiki tare da al'adu daban-daban yana ba da lada da ƙalubale. Wannan jagorar tana da nufin magance matsalolin da masu shayarwa ke fuskanta yayin yin giya mai kama da Oud Bruin mai malt. Yana ba da mafita masu amfani don ci gaba da kasancewa cikin tsari.

Gudanar da bayanan sinadarai masu canzawa da abubuwan narkewa

Maganin acetic vinegar da kuma kaifi ethyl acetate na iya kawo cikas ga daidaito. Dalilan da suka fi yawa sun haɗa da fallasa iskar oxygen, gurɓatar Acetobacter, da kuma shan iskar oxygen a lokacin da aka makara don ƙarfafa Brett. Don rage waɗannan haɗarin, rage sararin kai yayin canja wuri kuma a guji amfani da 'ya'yan itace da ba a wanke ba ko waɗanda ba a shafa ba sai dai idan kuna shirin yin allurar rigakafi. Idan giyar acetic acid mai tsami ta taso, haɗa ta da tushen da ba na acetic ba zai iya taimakawa wajen rage ruwan vinegar. Ƙara 'ya'yan itace masu ƙarfi kamar blackberries ko cherries na iya ɓoye bayanan narkewa yayin da suke adana ɗanɗanon 'ya'yan itace.

Magance matsalar tsayawa ko jinkirin fermentation

Rikewar da aka daina yi a cikin al'adu daban-daban galibi tana faruwa ne sakamakon rashin ƙarfi, yisti mai gajiya, ƙarancin abubuwan da ake iya fermenting a cikin tarin abubuwan da aka cire, ko kuma yawan acidity da ke ƙara wa Saccharomyces ƙarfi. Da farko, duba nauyi da zafin jiki. Idan raguwar ta yi ƙasa bayan lokaci mai dacewa, yi la'akari da sake fermenting na nau'in Saccharomyces mai lafiya ko yin amfani da mai ƙarfi daga Wyeast ko White Labs. Ƙara zafin fermentation kaɗan na iya taimakawa wajen dawo da yisti. Ga girke-girke na hatsi da aka yi niyya don OG 1.056 da FG 1.013, tabbatar da ƙarfin ferment kuma ku yi haƙuri; Brett da Lactobacillus za su ci gaba da raguwa a hankali tsawon makonni zuwa watanni.

Tsafta da kuma kula da gurɓatawa

Tsaftacewa da Lactobacillus Brett yana buƙatar rabuwa sosai daga kayan aikin tsafta don hana gurɓatawa. Gurɓataccen giya na iya cutar da rukunin giya marasa tsami nan gaba. Idan zai yiwu, a keɓe na'urorin fermenting, bututu, cokali, da kayan kwalba. Yi amfani da na'urorin tsaftace jiki na yau da kullun kamar Star San kuma a bi ƙa'idodin da aka ba da shawarar. Bayan fermentation na farko, a rage yawan iskar oxygen don hana haɓakar Acetobacter. Faɗuwar sanyi da toshe tasoshin jini suna rage volatilization kuma suna taimakawa wajen adana acidity da ake so ba tare da ƙirƙirar giyar tsami ta acetic acid ba.

Jerin abubuwan da za a iya gyara matsala a aikace

• Idan vinegar ya bayyana: dakatar da canja wurin, rage sararin kai, yi la'akari da haɗawa.
• Idan sinadaran solvent esters ko ethyl acetate sun nuna: duba lokacin tsafta da iskar wort.
• Idan fermentation ya tsaya: auna nauyi, sake sake yin amfani da Saccharomyces mai aiki, ko gina mai farawa.
• Don kare giya mai tsabta: ware kayan tsami sannan a sanya alama a sarari don guje wa yaduwar ƙwayoyin cuta masu gauraye.

Kula da tsari a hankali, shiga tsakani a kan lokaci, da kuma girmama yanayin al'adu daban-daban yana sa Oud Bruin ya iya magance matsalar. Ƙananan gyare-gyare ga fitar da iskar oxygen, sarrafa iskar oxygen, da tsafta tare da Lactobacillus Brett na iya hana manyan abubuwan da ba su da daɗi. Wannan yana ba da damar haɗakar ta haɓaka rikitarwa mai tsami na malt-for-sour.

Kusa da wani injin yin giya a cikin farin rigar dakin gwaje-gwaje yana duba wani kwalba mai launin ruwan kasa mai duhu Oud Bruin tare da laka mai bayyane, tare da abin ferment da iska a bayan wurin aikin.
Danna ko danna hoton don ƙarin bayani da kuma ƙuduri mafi girma.

Gwadawa da jadawalin lokaci: abin da za a yi tsammani a watanni 2 idan aka kwatanta da tsufa mai tsawo

Bayanan ɗanɗano da wuri suna ba da taƙaitaccen bayani game da shiri. Masu yin giya sau da yawa suna muhawara ko Wyeast 3209 mai saurin narkewa yana ba da giya mai shirye bayan watanni biyu ko kuma idan ana buƙatar tsufa mai tsawo. Amsar tana cikin ma'aunin ɗanɗano da kuma tsarin tsufa mai tsabta.

Bayan watanni biyu, yi amfani da jerin abubuwan da za a duba don tantance shiri. A tantance ƙarfin lactic, sauran zaƙi, da duk wani bayani mai kaifi ko acetic. Haka kuma, a tantance yadda 'ya'yan itatuwa ko itacen oak suka haɗu da tushen malt.

• Ma'aunin ɗanɗano na watanni 2 idan aka kwatanta da tsawon tsufa: kimanta yawan acidity, jin baki, da kuma kasancewar Brett.
• Auna pH kuma a kwatanta shi da ra'ayoyin ji kafin a yanke shawarar yin fakiti.
• Nemi daidaito: cizon lactic mai haske na iya zama lafiya, amma gefuna masu ƙarfi suna ba da shawarar ƙarin lokaci.

Kwarewar da al'umma ta samu ya nuna cewa Wyeast 3209 mai saurin narkewa zai iya samar da tushen da za a iya sha a cikin kimanin makonni takwas. Wannan sakamakon ya dogara ne da saurin fitar da iskar oxygen, zafin jiki, da kuma kula da iskar oxygen. Yi tsammanin ƙarar lactic da kuma farkon alamun Brett a wannan lokacin.

Tsufa mai tsawo yana sake fasalin siffar. Tsawon watanni da dama zuwa shekara, sinadarin lactic acid yana raguwa, Brettanomyces yana haɓaka rikitarwa, kuma abubuwan da ke cikin itacen oak da 'ya'yan itace suna haɗuwa da malt. Esters masu ƙarfi sau da yawa suna laushi, suna barin ɗanɗano mai layi da kuma ƙarewa mai santsi.

• A cikin watanni kusan 2: sinadarin lactic acid mai kaifi, ɗan ɗanɗanon da ya rage, ɗanɗanon Brett mai kama da na baya.
• Watanni 3-6: haɗakar 'ya'yan itatuwa da itacen oak, laushin acidity, jin daɗin baki yana inganta.
• Watanni 6–12+: sarkakiya mai zagaye, cikakken phenolics da Brett ke jagoranta, daidaiton daidaito.

Idan ana son a gwada ko za a sha giya a kwalba, a sha, ko kuma a ƙara mata tsawon lokaci, a yi amfani da mizanin da ya dace. Idan sinadarin lactic ya yi daidai da abin da ake so kuma babu wani ƙamshi da ya rage, to a yi amfani da marufin. Idan giyar ta yi ɗanɗano siriri, mai tsami sosai, ko kuma mai girma ɗaya, a mayar da ita cikin ɗakin ajiya.

Ajiye bayanai don kowane wurin ɗaukar samfurin. Bi diddigin lokacin tsufa na Oud Bruin tare da abubuwan da suka faru na ji. Maimaita ɗanɗano yana gina ingantaccen fahimtar yadda tsarin ku da sinadaran ku ke tasiri ga ci gaba a tsawon lokaci.

Tsarin girke-girke mai amfani ta amfani da bayanan girke-girke na Oud Bruin da aka bayar

Wannan jagorar tana ba da cikakken girke-girke na Oud Bruin don rukunin galan 6. Ya haɗa da abubuwan da aka tsara don ruwa da niƙa. Bi matakan don samun sakamako mai kyau. Girke-girken yana nufin samun inganci na 70%, tare da OG 1.056 da FG 1.013.

Takaddun bayanai da inganci na tsari

• Ƙarar fermentor: galan 6.0.
• Ingancin gidan giya: 70%.
• Nauyin da aka sa a gaba: OG 1.056; ana sa ran FG 1.013.
• Jimlar ruwan da ake buƙata a tsarin: jimlar ruwan da ake buƙata galan 9.41 don wannan saitin.

Lissafin Mash da yajin aiki

• Kauri na mashin da aka saita zuwa 1.75 qt/lb. Ruwan da ake buƙata yana da kimanin galan 5.8.
• Yi amfani da jadawalin dusasshewa 152 F don hutawa na minti 60 na saccharification tare da zafin hatsi na farko ~77 °F.
• Sai a zuba gypsum (oza 1.5) a cikin mashin domin daidaita ma'adinan.

Lokacin tafasa, tafasa, da kuma lokacin dafawa

• Bayan an markada, a zuba ruwan da ke da kimanin galan 3.61 na 170°F domin ya kai gawar 7.5 kafin a tafasa.
• A tafasa na minti 60. A zuba Hallertau Hersbrucker oz 1.75 a minti 60 don samun ɗan ɗaci da ƙamshi.
• Da sauran mintuna 10, sai a zuba Whirlfloc da kuma wani sinadari na giya kamar yadda aka ƙayyade domin haɗakar tsami mai tsami.

Asara da tsammanin bayan tashin hankali

• Yawan dafaffen da aka yi da hatsi a wurin yana da kimanin galan 6.86.
• A ba da damar asarar shan hatsi na galan 1.66, sararin samaniya mai nisa ~ galan 0.25, sha na hops ~ galan 0.07, da kuma tafasa-off kusa da galan 1.5.
• Bayan tafasa da sanyi, ya kamata ka tattara kimanin galan 6.0 a cikin injin ferment kamar yadda aka tsara.

Sanyi da kuma yin tsalle-tsalle

• Bar shi ya huce zuwa zafin da ake so a yi amfani da shi wajen yin fermentation, kusa da 70°F.
• Pitch Wyeast 3209 ya biyo bayan tsarin iska da kuka zaɓa. Girke-girken ya nuna cewa wasu masu yin giya ba sa barin iska ta farko yayin da da yawa ke fitar da iska yadda ya kamata; zaɓi bisa ga haƙurin ku don haɗari da kuma yanayin acid/ester da ake so.

Ƙarawa da ƙarin zaɓi

• A kula da nauyi da pH akai-akai yayin fermentation mai aiki don bin diddigin raguwar zuwa FG 1.013.
• Yi la'akari da ƙara 'ya'yan itace ko itacen oak a lokacin da aka canja zuwa sakandare idan kun tsara hadaddun abubuwa; ƙara bayan fermentation na farko ya ragu.

Teburin ruwa mai sauri don wannan abin sha

• Ruwan da aka sha: ~5.8 galan.
• Ruwan Sparge: ~3.61 gal.
• Jimlar ruwa mai nauyin lita 9.41 don tsarin ya cimma burin kafin tafasa da kuma bayan tafasa.

La'akari da aminci, doka, da kayan aiki don fermentation mai tsami

Al'adu daban-daban a fannin yin giya suna ba da fa'idodi da haɗari. Tabbatar da cewa wurin aikinku yana da tsari, sanya wa dukkan tasoshin alama a sarari, kuma ku kafa tsarin da ya dace. Wannan hanyar tana taimakawa wajen kare tsaftar giya da rage damuwar tsaron giya mai tsami. Ƙaramin sakaci na iya haifar da gurɓatar ƙwayoyin cuta ta hanyar bututu, famfo, ko wurin ajiya da aka raba. Saboda haka, a ɗauki fermentation mai tsami a matsayin wani tsari na musamman.

Haɗarin gurɓatawa a wurin aiki da kuma gurɓatawa tsakanin wurare

A ware takamaiman na'urorin fermenting, bututu, da kayan aikin kwalba don ayyukan giya mai tsami idan zai yiwu. Idan ya zama dole a raba kayan aikin sosai kuma a tsaftace su. A bar kayan aikin su kasance ba tare da gurɓatawa ba kafin a mayar da su zuwa ga amfani da su na giya mai tsabta. Yi amfani da lakabi masu haske a kan tasoshin tsami kuma a ware su daga wuraren da aka niƙa da tafasa. Wannan dabarar tana taimakawa wajen hana gurɓatawa da gangan kuma tana rage haɗarin matsalolin Brett Lactobacillus.

Kula da yanayin zafi, tsafta, da kuma sarrafa iskar oxygen

Yanayin zafi mai daidaito yana da matuƙar muhimmanci don kula da ci gaban ƙwayoyin cuta da kuma guje wa ɗanɗanon acetic. Yi amfani da ingantaccen mai sarrafa zafin jiki kuma kula da muhalli mai rufi don hana canjin yanayin zafi. Tabbatar an tsaftace dukkan wuraren da suka taɓa wort, giya, ko 'ya'yan itace sosai kuma an tsaftace su.

Yi taka tsantsan yayin amfani da kayan aikin iskar oxygen da ƙananan iskar oxygen. Yi amfani da na'urorin sarrafawa masu inganci da silinda masu aminci don hana zubewa. Bi mafi kyawun hanyoyin amfani da iskar oxygen: a hankali a sha idan ya cancanta, a duba kayan aiki akai-akai, kuma a guji hanyoyin da ba a gwada ba waɗanda za su iya haifar da yawan iskar oxygen ko haɗarin aminci. Kullum a yi aiki a wuri mai iska mai kyau lokacin amfani da kayan tsaftace jiki masu ƙarfi ko kuma abubuwan sha masu canzawa don maganin itacen oak.

Lakabi, kula da cellar, da kuma shawarar tsufa a sararin samaniya

Ajiye cikakken bayani game da kowace ƙungiya mai tsami, ranar da aka rubuta, al'adun da aka yi amfani da su, ƙarin bayani, da kuma ɗanɗano. Bayanan da suka dace suna da mahimmanci don guje wa kurakurai da kuma sarrafa sarari mai iyaka yadda ya kamata. A raba giya mai tsami da tsabta ta hanyar tarkace, shiryayye, ko ɗaki don kare shirye-shiryen biyu da kuma kiyaye amincin giya mai tsami.

• A adana kwalaben da ganga a cikin wani ɗaki mai yanayin zafi mai daidaito, wanda ya fi dacewa a kusa da 50°F, don tsufa a hankali. Yanayi mai ɗumi na iya hanzarta yin ƙwai idan ana so.
• Kula da sabbin ganga don tabbatar da cewa an yi amfani da sinadarin acetic sosai, sannan a killace su idan ya cancanta. Zaman ɗanɗano na yau da kullun zai taimaka wajen tantance lokacin da za a haɗa, a zuba a kwalba, ko kuma a ci gaba da tsufa.
• A yi wa ganga alama a sarari da asalin al'ada da kwanan wata domin guje wa rudani da kuma hana gurɓatawa da aka yi da hatsi mara tsami.

Bin dokokin gida game da barasa, silinda masu matsin lamba, da kuma zubar da sinadarai masu tsaftace muhalli. Zaɓar kayan aiki masu aminci, kiyaye lakabi masu tsabta, da kuma bin ƙa'idodin ɗakin ajiya masu kyau sune mabuɗin kare gidan giya, gidanka, da ingancin giyar da za a yi nan gaba.

Kammalawa

Blend ɗin Yeast na Wyeast 3209-PC Oud Bruin Ale Yeast wani kayan aiki ne na musamman ga masu yin giya waɗanda ke neman giya mai tsami ta hanyar amfani da malt-forward sour beers. Wannan bita ya kammala da cewa ya yi fice wajen ƙirƙirar sinadarin lactic acid mai kaifi yayin da yake kiyaye zurfin malt. Ya dace da giya irin ta Oud Bruin da Flanders, da kuma nau'ikan giya masu duhu da kuma waɗanda suka tsufa da 'ya'yan itace.

Domin amfani da shi yadda ya kamata, fara da girke-girke na hatsi ko kuma daidaitawar cirewa. Daidaita ruwan ku zuwa bayanin martaba na chloride. Haka kuma, sarrafa ƙimar sautin da yanke shawara don samun sakamako mai daidaito. Wannan haɗin yisti ya fi kyau ga girke-girke waɗanda ke buƙatar rikitarwa mai tsami ba tare da rasa caramel da malts gasashe ba.

Daidaiton lada da haɗari a bayyane yake: za ku iya samun acid mai ban sha'awa cikin watanni biyu kacal. Duk da haka, ana ba da shawarar tsufa mai tsawo don ƙarin rikitarwa. Yi hankali da yawan iskar oxygen, musamman idan baku saba da sarrafa acid mai canzawa ba. Kare ɗakin ajiyar ku daga gurɓatawa don tabbatar da sakamako mai kyau da ɗanɗano tare da wannan haɗin.

Tambayoyin da ake yawan yi akai-akai

Menene Wyeast 3209-PC Oud Bruin Ale Yeast Blend kuma waɗanne salo ne ya fi dacewa da su?

Wyeast 3209-PC Oud Bruin cakuda ce ta al'adu iri-iri, wacce aka tallata a matsayin samfurin yanayi na VSS a kusa da 2014. Tana haɗa nau'ikan Saccharomyces, Lactobacillus, da Brettanomyces. Wannan haɗin yana samar da sinadarin lactic acid mai kaifi yayin da yake kiyaye yanayin malt. Ya dace da Oud Bruin, giya irin ta Flanders, da kuma ruwan 'ya'yan itace mai duhu. Hakanan yana da kyau ga ruwan 'ya'yan itace mai duhu inda kuke son ɗanɗano da kuma rikitarwar malt.

Ta yaya 3209 zai kwatanta da sauran gaurayen sour na Wyeast kamar De Bom (3203) da 3763 Roselaere?

Idan aka kwatanta da De Bom (3203) da 3763 Roselaere, 3209 yana riƙe da ƙarin jikin malt yayin da yake samar da cizon lactic mai haske. An san De Bom da saurin narkewa kuma yana iya zama mai ƙarfi, wani lokacin yana haifar da sha'awar acetic. 3763 Roselaere ma'auni ne na acidity mai kaifi amma yana iya raguwa daban-daban. Masu yin giya suna zaɓar 3209 lokacin da suke son tsami ba tare da cire halin malt ba.

Menene gudummawar ɗanɗanon da ake tsammani daga kowace ƙungiyar ƙwayoyin cuta a cikin cakuda?

Saccharomyces yana yin babban fermentation na giya da kuma rage yawan attenuation. Lactobacillus yana samar da lactic acid don kaifi da tsami mai tsabta. Brettanomyces yana taimakawa wajen rikitarwa na dogon lokaci - funk, esters, da rage attenuation a hankali - kuma yana iya samar da pellicles. Idan aka haɗa shi, haɗin yana nufin daidaita acidity da rikitarwa yayin da yake kiyaye zaƙi da jiki na malt.

Wane yanayin zafin fermentation da jagorar droping ya kamata in bi?

Wyeast ya lissafa mafi kyawun kewayon fermentation na 64–84 °F kuma ya ba da 70 °F a matsayin misali. Yawancin masu yin giya suna yin ferment a cikin kewayon 65–72 °F don daidaita aikin Saccharomyces da haɓaka Brett/Lacto a hankali. Jagorar saurin sautin Wyeast ta nuna 0.35 (M cells/ml/°P) tare da buƙatar ƙwayoyin B 110; fakitin ya lura "Starter: A'a," amma ana ba da shawarar yin ferment don worts masu nauyi, tsofaffin fakiti, ko don tabbatar da raguwar da ake iya faɗi.

Shin ya kamata in yi amfani da iska kafin in yi amfani da iska ko kuma in bi umarnin Wyeast na rashin amfani da iska ta farko?

Jagorar VSS ta Wyeast ta ba da shawarar kada a fara fitar da iska zuwa Lactobacillus da kuma saurin narkewa. Duk da haka, yawancin masu yin giya suna fitar da iska zuwa iska akai-akai don tallafawa Saccharomyces. Yanke shawara ya dogara da juriyar ku ga haɗari: rashin fitar da iska zuwa iska na iya hanzarta haɓakar lactic, yayin da iska ta yau da kullun ke taimakawa Saccharomyces don tabbatar da fermentation. Idan kuna bin SOP na rashin fitar da iska, ku yi hankali kuma ku sa ido sosai kan pH da nauyi.

Yaya batun shan iskar oxygen daga baya—ya kamata in ƙara iskar oxygen yayin tsufa?

Wyeast ya ba da shawarar a yi amfani da iskar oxygen daga baya don yin tasiri ga ethyl acetate da sarkakiya, amma aikin yana da ce-ce-ku-ce. Ƙananan iskar oxygen da aka sarrafa na iya canza yanayin ester, duk da haka suna iya ƙarfafa Brett da Acetobacter su samar da acetic acid (vinegar) da ethyl acetate mai narkewa. Idan kun gwada micro-oxygenation, yi haka a hankali, ku sa ido kan canje-canjen ji, kuma ku yarda da haɗarin acidity mai canzawa.

Ta yaya zan rage haɗarin acetic acid da ethyl acetate lokacin amfani da 3209?

Rage yawan iskar oxygen bayan fara fermentation, yi amfani da tasoshin da aka rufe, tsaftace 'ya'yan itatuwa ko kuma a yarda da su a matsayin allurar rigakafi da gangan, kuma a guji samun sararin kai da ba dole ba. Idan ba ka jin daɗin haɗarin VA, ka guji shan iskar oxygen a ƙarshen lokaci kuma ka yi amfani da tsafta mai kyau da kuma iyakance yawan iskar oxygen da 'ya'yan itatuwa ke sha. Tsufa mai ƙarfi ko ƙarami, wanda aka kula da shi, zaɓi ne ga ƙwararrun masu yin giya.

Menene sakamakon OG, FG, ABV, da pH na yau da kullun tare da wannan haɗin?

Misalai masu amfani sun nuna OG ~1.056 da FG ~1.012–1.013, suna samar da kimanin 5.6–5.7% ABV tare da raguwar da ke bayyane kusan 75–78%. pH na ƙarshe yawanci yana faɗuwa a cikin kewayon 3.4–3.8 ga daidaitattun giyar Oud Bruin; nau'ikan 'ya'yan itace masu shekaru na iya ƙarewa kusan pH 3.6–3.7. Sakamakon mutum ɗaya ya dogara da ƙimar sautin, jadawalin fermentation, da ƙarin 'ya'yan itace ko itacen oak.

Wane lissafin hatsi, jadawalin mashin, da pH na mashin da aka ba da shawarar don galan 6 na Oud Bruin?

An gwada kuɗin hatsi mai nauyin kilo 9: Pilsner lb 9, CaraMunich lb 2, Munich Dark lb 20L 1, masara mai laushi lb 0.5, alkama lb 0.5, baƙar fata mai ɗaci lb 0.25 (jimlar lb 13.25). A shafa ruwan magani sau ɗaya a 152°F na tsawon mintuna 60 tare da pH na ninki kusan 5.35. A zuba ruwa da ma'adanai (misali: gypsum 1.5 oz a cikin dusa) suna taimakawa wajen cimma wannan pH da kuma bayanin martabar chloride don tallafawa maltiness.

Wane tsari ne ya kamata in yi amfani da shi don kiyaye malt da kuma mai da hankali?

Yi amfani da ƙarin AA mai ƙarancin AA, wanda ke da ɗan ɗaci da wuri. Misalin ya yi amfani da ƙwayoyin Hallertau Hersbrucker (1.75 oz a minti 60, ~4% AA) don isa ~23 IBU (Tinseth). A ajiye ƙamshin late hops da hop ƙasa don guje wa ɓoye malt da ɗanɗano.

Ta yaya zan daidaita sinadaran ruwa don Oud Bruin mai launin malt?

An ba da shawarar yin amfani da Oud Bruin mai sauƙi, mai malt: Ca2+ ~60 ppm, Mg2+ ~5 ppm, Na ~10 ppm, Cl ~95 ppm, SO4 ~55 ppm, HCO3 ~0 ppm. A jaddada chloride don jin bakin mutum sannan a ƙara gypsum a cikin mash don sarrafa pH da kuma ƙara calcium. A yi la'akari da ƙananan ƙarin CaCl2 idan ruwan tushen ba shi da sinadarin chloride.

Zan iya yin shayi da ruwan 'ya'yan itace ko kuma wani ɓangare na ruwan 'ya'yan itace amma har yanzu ina samun sakamako mai kyau da 3209?

Eh. Cirewar tana sauƙaƙa aikin kuma tana iya samar da sakamako mai kyau idan an yi ta a hankali. Yi amfani da Briess ko ingantaccen LME/DME, malts na musamman a ~165 °F don kiyaye jiki, kuma ƙara tushen furotin kamar alkama ko hatsin rai don jin daɗin baki. Kula da yawan sinadarin da aka cire yayin tafasa kuma a kula da tafasa mai ƙarfi da tsafta don guje wa ɗanɗano mara kyau.

Yaushe ya kamata in ƙara 'ya'yan itace, kuma waɗanne 'ya'yan itatuwa ne suka fi kyau?

Sau da yawa ana ƙara 'ya'yan itace a lokacin da aka fara haƙa su ko kuma a lokacin da aka canja su zuwa ga tukunyar 'ya'yan itace don sarrafa cirewa da tsaftace su. Zaɓuɓɓukan da aka saba: blackberries, ceri, plums—blackberries suna haɗuwa sosai ba tare da rinjaye ba, ceri yana ba da ɗanɗano, plums yana ƙara zurfin 'ya'yan itace da dutse. Misalan al'umma sun ƙara blackberries daskararre bayan wata ɗaya da ƙarin plums bayan 'yan kwanaki tare da sakamako mai kyau. Auna pH da ɗanɗano yayin tsufa don yanke shawara kan lokaci akan 'ya'yan itace.

Har yaushe har sai giyar ta zama abin sha, kuma ta yaya ɗanɗanon yake canzawa akan lokaci?

Wasu gaurayen VSS na iya samar da giya mai tsami da za a iya sha a cikin kimanin watanni biyu, kuma 3209 na iya nuna isasshen acidity da daidaito a cikin makonni 6-8. Yi tsammanin ci gaba da ci gaba a cikin watanni: lactic acidity yana haɗuwa, Brett yana haɓaka funk da rikitarwa, da kuma haɗakar 'ya'yan itace/itacen oak. Yawancin masu yin giya suna tsufa na tsawon watanni da yawa zuwa shekara don samun mafi kyawun bayanin martaba.

Waɗanne matakan kariya daga tsafta da kayan aiki ya kamata in ɗauka yayin aiki da al'adu daban-daban?

Gaurayen al'adu suna ƙara haɗarin gurɓatawar da ke tsakanin ƙwayoyin halitta. Yi amfani da na'urorin ferment da kayan aiki na musamman idan zai yiwu, ko kuma tsaftace su sosai kuma a raba aikin tsami daga samar da barasa mai tsabta a lokaci da sarari. A bayyana sunayen tasoshin tsami a sarari kuma a bi diddigin ƙari. A ware kayan aiki don guje wa kamuwa da giya mai tsabta ko giya mai tsabta.

Wadanne matakai zan iya ɗauka idan fermentation ya tsaya ko raguwar aiki ya yi ƙasa?

Dakatarwar na iya faruwa ne sakamakon rashin ƙarfi, tsohon yisti, yawan ruwan da aka cire, ko kuma yawan acidity da ke hana Saccharomyces. Maganin: yi da kuma fitar da ingantaccen abincin Saccharomyces, sake maimaita nau'in ale mai aiki, ƙara zafin fermentation a hankali, ko kuma ba da lokaci mai tsawo ga Brett da Lacto don kammala rage kitse. Tabbatar da tsaftace jiki da kuma auna nauyi kafin a shiga.

Wace hanya ce ta amfani da carbonation da priming ta fi dacewa da giya irin ta Oud Bruin?

Yi nufin rage sinadarin carbonation mai laushi. Don samun galan 6, dextrose ~6.3 oz yana samar da kimanin juzu'i 2.5 na CO2, wanda ya dace da salon. Tsarin kwalba yana ba da damar ci gaba da juyin halitta; yin amfani da carbonation mai ƙarfi yana ba da iko daidai kuma yana guje wa bambancin kwalba zuwa kwalba. A ci a ɗan sanyi (50-55°F) don nuna daidaiton malt da tsami.

Ta yaya itacen oak da cubes ɗin da aka jika da ruhu ke shafar giyar?

Oak yana ƙara tannin da laushi, yana taimakawa wajen daidaita 'ya'yan itace da kuma ƙara wa jiki kwarin gwiwa. Oak mai jika da ruhu (misali: cubes ɗin da aka jika da calvados) yana ƙara ƙarin ɗumi da ɗanɗano kamar ganga. Yi amfani da adadin da aka auna da ɗanɗano akai-akai; itacen oak da barasa na iya rage kaifin kai da ƙara rikitarwa amma kuma za su canza yanayin giyar akan lokaci.

Waɗanne alamun ji ne ke nuna matsala kamar yawan acidity mai canzawa ko ethyl acetate?

Kula da ƙamshin vinegar mai ƙarfi (acetic acid) wanda ke nuna aikin ƙwayoyin cuta na Aceto da kuma bayanin goge farce ko mai kama da na ethyl acetate da ke nuna yawan sinadarin ethyl acetate. Waɗannan galibi suna faruwa ne sakamakon fallasa iskar oxygen, gurɓatawa, ko kuma yawan shan iskar oxygen a ƙarshen lokaci. Idan an gano su da wuri, a daina fallasa iskar oxygen, a yi la'akari da haɗa su, ko a ware su a cikin rukuni sannan a tantance hanyoyin ceto.

Shin ƙwayoyin cuta sun zama ruwan dare a cikin 3209 kuma ta yaya zan fassara su?

Samuwar pellicle ya bambanta; wasu masu yin giya suna ba da rahoton ƙarancin pellicles bayan watanni 1.5 tare da 3209, wasu kuma suna ganin pellicles dangane da nau'ikan Brett da yanayi. Pellicle yana nuna aikin ƙwayoyin cuta na aerobic (sau da yawa Brett/Pedio). Kasancewarsa kaɗai ba shi da kyau - ɗanɗano mai lura da pH - yayin da yawan fim ko bayanin acetic ya buƙaci a duba shi sosai don gurɓatar Acetobacter ko fallasa iskar oxygen.

Shin ya kamata in yi amfani da 3209 don fara kowane tsari?

Ana ba da shawarar fara amfani da shi lokacin da ake zuba shi a cikin wort mai nauyi mai yawa, lokacin da fakitin ya tsufa, ko kuma lokacin da kuke son a iya hasashensa, ƙarfin fermentation da kuma rage yawan fermentation. Don daidaitaccen rukunin galan 6 na OG 1.056, masu yin giya da yawa suna ƙirƙirar abin farawa don tabbatar da cewa Saccharomyces yana tabbatar da fermentation cikin sauri kuma yana rage taga don ƙwayoyin da ba a so su sami wurin zama.

Ta yaya zan sarrafa yawan ruwa da kuma kauri da aka niƙa don girke-girken galan 6 da aka bayar?

Ga galan 6: kauri na niƙa da aka yi niyya ~1.75 qt/lb tare da galan 5.8 na ruwa (ƙarfin niƙa ~6.86 gal), shan hatsi ~1.66 gal, da kuma galan 3.61 na ruwan sparge zai kai ga galan 7.5 kafin a tafasa. Yi tsammanin ~1.5 galan na tafasa don ya faɗi ~6 galan a cikin injin ferment. Daidaita asarar tsarin ku kuma auna nauyi don ya kai ga OG ~1.056.

Waɗanne hanyoyi ne masu aminci don sarrafa iskar oxygen da kayan aikin micro-oxygenation?

Yi amfani da na'urorin daidaita iskar oxygen masu kyau da kayan aikin micro-oxygenation waɗanda aka tsara don yin giya. A guji isar da iskar oxygen ta hanyar da ba ta dace ba. A yi aiki a wurin da iska ke shiga, a bi ƙa'idodin aminci na masana'anta, sannan a sha a ƙananan allurai, idan ana amfani da iskar oxygen daga baya a lokacin tsufa. A koyaushe a auna fa'idodin da ke tattare da haɗarin ƙaruwar samar da iskar oxygen.

Idan na gano cewa giyar tana da yawan VA, za a iya adana ta?

Zaɓuɓɓukan ceto suna da iyaka. Ƙananan matsalolin VA na iya ragewa idan aka haɗa su zuwa babban rukuni mara acetic ko kuma da lokaci idan acetic notes ɗin ba su da ƙarfi. Babban vinegar yawanci yana buƙatar haɗawa ko amfani da giya don girki. Rigakafi - rage iskar oxygen, ware tasoshin mai tsami, da tsafta mai kyau - shine mafi kyawun dabara.

Menene tsammanin gaske na lokaci da halin ƙarshe ta amfani da 3209?

A yi tsammanin za a iya ganin sinadarin lactic acid da kuma yadda za a sha a cikin makonni 6-8 a lokuta da yawa, amma a yi shirin yin watanni da dama zuwa shekara guda don samun cikakken haɗin kai da kuma ci gaban Brett. Giya ta ƙarshe ya kamata ta nuna cizon lactic mai kaifi tare da ɗanɗanon malt da jiki, matsakaicin sarkakiyar Brett akan lokaci, da kuma kyakkyawar hulɗar 'ya'yan itace/itacen oak idan an yi amfani da shi.

Karin Karatu

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