Lokacin magana game da shayi, sau da yawa muna magana game da cikakken fermentation, Semi-fermentation, da fermentation mai haske. Thena'urar fermentationna'ura ce da aka saba amfani da ita a cikin aikin haƙar shayi. Bari mu koyi game da fermentation na shayi.

Fermentation na shayi - nazarin halittu hadawan abu da iskar shaka

An raba shayin kasar Sin zuwa manyan nau'ikan shayi guda shida bisa ga nau'o'i daban-daban na fermentation da ingantattun hanyoyin samarwa. A cikin shayi, ana sarrafa ganyen kore iri ɗaya zuwa koren shayi, shayin baƙar fata, shayin oolong da sauransu. Wannan tsari ya fi kama da jerin halayen enzymatic, kuma watakila ya kamata a kira shi oxygenation na halitta. Tare da taimakon ilimin halitta oxidation na lalata bangon shayi a cikininji fermentation na shayi, oxidases da ke cikin bangon tantanin halitta suna inganta tsarin tsarin oxidation na catechins.

A cikin sel shayi, catechins suna wanzuwa a cikin ruwan tantanin halitta, yayin da oxidase galibi ke wanzuwa a bangon tantanin halitta, ba galibi a cikin ƙwayoyin cuta ba, don haka bangon tantanin yana buƙatar lalacewa. Wannan a zahiri yana bayyana dalilin da yasa ganyen shayi yana buƙatar mirgina tare da ashayi ganye abin nadi. Bisa ga daban-daban mataki na hadawan abu da iskar shaka na polyphenols, shi za a iya raba zuwa cikakken fermentation, Semi-fermentation da haske fermentation. A cikin shayi na shayi, matakin oxidation na polyphenols yana da girma sosai, wanda ake kira cikakken fermentation; a oolong shayi, matakin hadawan abu da iskar shaka na polyphenols ne game da rabi, wanda ake kira Semi-fermentation.

Abin da ke sama shine ainihin ma'anar fermentation sau da yawa ana cewa a cikin shayi na kasar Sin. Duk da haka, saboda nau'in shayi na kasar Sin, da fasahohin sarrafa kayayyaki da hanyoyin shirye-shirye, da ma'anar inganci daban-daban, mutane sukan yi amfani da su.lantarki shayi fermentation sarrafa injidon gudanar da sarrafa fermentation. A cikin samar da ingantaccen tsari na wasu ganyen shayi, baya ga fermentation da aka ambata a sama a cikin ma'anar oxidation na nazarin halittu baya ga nasa halayen enzymatic, ƙananan ƙwayoyin cuta kuma za su shiga cikin wasu hanyoyin haɗin gwiwa.