Dabbobi na Gurasa da kuma yadda suke aiki
Ana amfani da shanyayyaki a kayan da aka yi da gaura don inganta rubutun da kuma bayyanar ido. Suna ƙirƙirar aljihunan iska a cikin kullu ko batter don ba da samfurin karshe wani haske, rubutun furotin. Gaba ɗaya, za a iya raba masu ba da launi ga sassa uku: jiki, ilmin halitta, ko sinadaran.
Kwayar carbon dioxide shine mafi yawancin alhakin aikin yisti a cikin kayan da aka yi da gasa kuma ana iya samar da su ta hanyar nazarin halittu irin su yisti, ko kuma sinadarai masu magunguna irin su yin burodi da kuma yin burodi.
Zunubiyar jiki
Akwai nau'i nau'i biyu na masu shayarwa: iska da tururi. Ana amfani da iska sau da yawa a cikin batters lokacin da man shanu da sukari suke haɗe tare. Briskly shukar man shanu (ko wani abu mai tsabta) tare da tarin sukari kananan kwandon iska a cikin mai. Har ila yau, ana iya amfani da iska a matsayin mai yisti a lokacin da yake yayyafa launin fata ko cream. A lokuta guda biyu, iska ta zama kamala a cikin nau'in gina jiki a cikin cream ko kwai fata, ta haifar da fadadawa. A kan karami, ƙaramin gari yana tayar da ƙananan iska kuma zai iya samar da matakin ƙanshi na aikin yisti.
Navener na biyu shine tururi. Lokacin da ruwa ya canza zuwa tururi, ƙarar ya karu da kusan 1,600 sau girman girmansa. Yayin da aka gabatar da batutuwa masu zafi a yanayin zafi mai zafi, ruwa a batter ya canza cikin tururi. Sana ya zama kamala a cikin batter, wanda yake karfafawa kamar yadda ake yin gasa. Ana amfani da tururi a matsayin mai yisti a cikin abincin irin su popovers , cream puffs , da kuma crusts.
Naman ƙwararrun kwayoyin
Yisti ne mai yaduwar kwayar halitta. Yisti wani kwayoyin halitta ne wanda ke janyo hankalin sugars don makamashi da carbon dioxide gas ne tushen wannan tsari na fermentation. Domin farawa da tsari na fermentation, yisti na bukatar carbohydrates da danshi. Warmth yana ci gaba da wannan karfin, ko da yake har yanzu yana da ɗan gajeren lokaci.
Saboda yisti yana samar da carbon dioxide a ragu, an yi amfani dashi a cikin burodi wanda ke da matukar damuwa mai yaduwa wanda zai iya riƙe gas a cikin dogon lokaci. Abun ruwa, kamar wadanda aka yi amfani da pancakes, suna da rauni sosai don kiyaye gas din da aka kama don wannan tsawon lokaci kuma suna buƙatar mai yisti mai sauri kamar soda burodi.
Kayan shafaffe
Masu shayarwa biyu sunadaran soda da yin burodi. Soda burodi wata alkaline foda ce wadda ke haifar da iskar carbon dioxide idan an hade shi da wani acid. Saboda abin da yake faruwa a hanzari, soda burodi ne mai zane-zane mai laushi ga masu taushi ko rauni kamar pancakes, muffins, da sauran gurasa mai sauri. Buttermilk, vinegar, yogurt, ko ma koko foda za a iya amfani dashi a matsayin acid a cikin wannan dauki.
Gurasar foda tana kama da soda burodi amma ya riga ya ƙunshi acid da ya kamata a amsa. Aiki a cikin yin burodin foda yana cikin gishiri, wanda ke nufin cewa ba zai amsa ba har sai an hade shi da ruwa. Yin burodin foda shine mai lafaɗen ƙanshi don girke-girke waɗanda basu dauke da yawancin sinadarai masu sinadarai, irin su kukis. Yawancin gurasar da aka sayar dasu a yau yana aiki ne sau biyu, wanda ke nufin cewa zai samar da gas sau biyu-sau ɗaya idan aka kara ruwa kuma a lokacin da aka kwashe ruwan zafi.
Sau biyu yin burodi foda yana samar da wani abincin abin yisti.