Bambanci mafi mahimmanci tsakanin manyan nau'ikan shayi shine matakin fermentation, yana nuna halaye daban-daban na dandano, kuma ana sarrafa matakin fermentation ta hanyoyi daban-daban.

Green shayi "soyayyen"

Green shayi ya kamata a soyayyen, kalmar ƙwararrun ana kiranta "gyara kore".

Idan aka soya ganyen ganye a tukunya, wani abu mai suna “koren shayi enzyme” a cikin ganyen yana mutuwa saboda yawan zafin jiki, kuma koren shayin ba zai iya haifuwa ba, don haka koren shayin yana kula da bayyanar koren mai.

Bayan an soya ko gyaran shayi, asalin kamshin ciyawa a cikin ganyayen ganyen ya watse, sai ya koma wani kamshi na musamman na koren shayi, wasu kuma suna da kamshin soyayyen chestnut.

Bugu da kari, karamin adadin koren shayi yana gyara tururi.

White shayi "rana"

Akwai sanannun magana game da farin shayi, wanda ake kira "babu soya, ba kneading, kamala na halitta".

Sana'ar farin shayi za a iya cewa tana da mafi ƙarancin tsari a cikin manyan nau'ikan shayi guda shida, amma ba mai sauƙi ba ne.

Bushewar farin shayin ba wai don nuna farin shayin ne ga rana ba, sai dai a watsa farin shayin a gida da waje ya bushe daidai da yanayin yanayi.

Ƙarfin hasken rana, zafin jiki, da kaurin yaɗuwar duk suna buƙatar kulawa da hankali, kuma ana iya bushe shi zuwa wani ɗan lokaci.

A lokacin bushewar, farin shayin yana ɗan ɗanɗano shi, yana haifar da ƙamshin fure mai haske da zaƙi mai tsafta, da ƙamshin busasshiyar rana.