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Bambancin banbanci tsakanin tsohuwar nama daga tsohuwar nama - bushewar tsufa. Manufarta ita ce inganta haɓaka da haɓaka dandano na ɗabi'a. An rataye naman a cikin ɗaki na musamman inda aka kiyaye zafin jiki a kusan digiri 3, ɗumi a 50-60%, kuma yana ba da yanayin iska mai kyau.
Nama na iya Balaga ta wannan hanyar a cikin weeksan makonni. A wannan lokacin, halayen biochemical suna faruwa sakamakon haka naman zai rasa danshi kusan kowace rana, yayi laushi, kuma canza launi.
7 kwanakin tsufa
A cikin naman ya fara lalata collagen, launin nama ya kasance ja mai haske. Dandalin wannan naman sa yayi nisa da ɗanɗano busasshen busasshen nama. Saboda kasusuwan nama yana kiyaye siffa. Nunawar kwanaki 7 na nama, ba a sayar dashi ba.
21 kwanakin tsufa
Nama ya rasa kusan kashi 10 cikin ɗari na nauyinta saboda ƙarancin ruwa yana canza fasali da girmansa. Launin naman ya zama duhu. Wani ɓangare na sunadaran plasma na tsoka ya rasa ƙarfinsu. A karkashin tasirin acid, sunadarai sun kumbura, jiki ya zama mai taushi. Ana ɗaukar kwanaki 21 a matsayin mafi ƙarancin lokacin bayyanarwa.
30 kwanakin tsufa
Zuwa kwanaki 30 na tsufa, nama ya zama mai laushi da taushi. Nama ya rasa kimanin kashi 15% na nauyinsa kuma yana samun ƙoshin nama mai ƙanshi. Steak na tsawon kwanaki 30 shine mafi mashahuri.
45 kwanakin tsufa
Irin wannan dogon tsufa ya dace da nama tare da babban marbling. Za a biya diyyar da aka rasa yayin maganin zafin a kan kuɗin kitse. Nama a rana ta 45 yana da ƙamshin ƙamshi ma da ƙarfi.
90 kwanakin tsufa
90-day steak duhu da bushe, amma bambance-bambancen da nama mai ƙarancin shekaru ba zai zama sananne ga marasa ƙwarewa ba. Nama fara ƙafewa, gishiri a saman farfajiya wani fure mai fure da ɓawon burodi, wanda kafin a dafa abinci koyaushe a yanke.
120 kwanakin tsufa
Naman ya fara samo wani ɗanɗano na musamman. Tsarin tsoka ya lalace sosai; an rufe shi da taɓa gishiri. Don kimanta wannan, steak na iya samun kawai babban mai sha'awar steaks bushewa.