Babban manufar mirgina, dangane da abubuwan da suka shafi jiki, shine don murƙushe bushesshen ganye masu laushi, ta yadda shayin ƙarshe zai iya samun kyawawan igiyoyi.
A lokacin da ake birgima, bangon tantanin halitta na ganyen shayi yana murƙushewa, kuma ana fitar da ruwan shayin, wanda ke saurin haɗuwa da iskar oxygen da iskar oxygen.Saboda haka, dangane da ilmin sunadarai, aikin mirgina shine don sanya tannins da ke cikin ganye, ta hanyar peroxidase, don taɓa kwal kuma ya haifar da oxidation.Sabili da haka, babu wata ƙayyadaddun iyaka tsakanin canje-canjen sunadarai a cikin kneading da fermentation, kawai digiri na oxidation ya bambanta.
Wasu daga cikin zafin da ake samu yayin cukukuwa yana faruwa ne ta hanyar juzu'i, amma yawancin yisti ne ke haifar da shi.Zafin da aka haifar bai dace ba musamman, saboda zai hanzarta iskar oxygen da tannins.Idan zafin ganyen ya wuce digiri 82 na Fahrenheit, shayin da aka samu zai ƙunshi tannins tare da ma'auni mafi girma, wanda zai rage launi da dandano na miya mai shayi;don haka, ya kamata a yi mirgina ganye.Ajiye.
Launin miya na shayi ya yi daidai da matakin fermentation, kuma matakin fermentation ya dogara da adadin ruwan shayin da aka fitar lokacin.shayi ganye mirgina tsari.Mafi girman matsin lamba da tsawon lokacin lokacin cukuwa, yawan adadin ƙwayoyin ganye da suka karye da zurfin karyewar, da yawan adadin ruwan shayin da ake fitar da shi, kuma ƙara zurfin matakin fermentation.
Hanyar mirgina ya dogara da iri-iri, yanayi, tsayi, bushewa da miya mai shayi da ake so:
Daban-daban: Mafi muni iri-iri, mafi nauyi da ake buƙata.
Yanayi: Yanayin yanayi yana shafar ci gaban bishiyar shayi, kuma a sakamakon haka, yana shafar ƙamshin shayi da ɗanɗanon shayi, don haka juzu'i ya kamata ya canza daidai.
Altitude: A wuraren da ke da tsayi, ƙamshin ya fi fitowa fili, yanayin zafi ya ragu, kuma ana shafa shi da sauƙi ko kuma a shafa shi na ɗan lokaci.
Karfewa: Idan ganyen da ya bushe ya ƙunshi wani adadin ruwa, kuma laushi da laushin ganyen shayin sun yi daidai, hanyar birgima baya buƙatar canzawa.Duk da haka, a lokacin dasawa, ana ɗaukar bishiyar shayi iri-iri da yanayin yanayi, kuma sakamakon sassaƙawa da sassaƙawa yana shafar yadda ya kamata, don haka dole ne a sami wasu canje-canje.injin mirgina shayiamfani.
Miyan shayi: Idan ana son miyar shayi mai kamshi mai yawa, sai kirwar ta yi haske sannan lokaci ya yi guntu.Idan kuna son miya mai shayi mai ƙarfi, lokacin kullu ya kamata ya fi tsayi kuma matsa lamba ya kamata ya yi nauyi.Fiye da duka, ya kamata a ƙayyade lokacin kneading da matsa lamba bisa ga tsakiyar lokacin hunturu da manufar da ake so.
Daga abin da ke sama, abubuwan da suka shafi mirgina sun bambanta, don haka za mu iya samar da ka'idoji don taimakawa mai shayi don gwadawa da kansa kuma ya sami hanyar da ta dace da yanayi na musamman.