Mkaka Wosakaniza Mkaka Pa Kukhetsa Katemera
Kupanga tchizi kumaphatikizapo masitepe ambiri, koma makamaka ndiko kungotembenuza madzi kukhala olimba. Rennet amathandiza kwambiri kuti izi zichitike.
Rennet imagwiritsidwa ntchito kuphatikiza, kapena kuthira, mkaka panthawi yopangira chinsalu. Chymosin (yomwe imatchedwanso rennin) ndiyo mpangidwe wa rennet.
Pakatha mkaka, cheesemaking ndondomeko imayamba powonjezera chikhalidwe choyamba chomwe chimasintha lactose (shuga mkaka) mu lactic asidi.
Izi zimasintha msinkhu wa asidi wa mkaka ndikuyamba kuyambitsa mkaka kukhala wolimba. Kenaka, rennet imawonjezeredwa kuti ikulimbikitseni kwambiri thickening kuti mazenera apangidwe ndi osiyana ndi whey (madzi).
Werengani Zambiri Zomwe Mmene Chakudya Chikupangidwira
Rennet imachokera ku imodzi mwa magwero anayi pansipa. Komabe, US Food and Drug Administration (FDA) safuna ogulitsa masewera kuti afotokoze mtundu wa rennet yomwe amagwiritsa ntchito.
Kudyedwa kwa Mimba ya Ng'ombe, Ewe Kapena Mbuzi (Mbuzi ya Mwana)
Chymosin ya enzyme imapezeka m'mimba yophimba nyama chifukwa imathandiza pakamwa mkaka wa amayi awo. Rennet yopangidwa kuchokera ku chymosin ya nyama nthawi zambiri imatchedwa "rennet" pa zizindikiro za tchizi , komabe, monga tawonera pamwamba pa okonza zitsulo sakufunikanso kuti afotokoze mtundu wa rennet yomwe iwo amagwiritsa ntchito.
Nyama sizingaphedwe kuti azitsulo amatha kupanga rennet. M'malo mwake, nyama izi zimagulitsidwa nyama ndipo monga njira yogwiritsira ntchito nyama yonse, mavitamini a m'mimba amachotsedwanso kuti apange rennet.
Animal rennet samakhudza mwachindunji kukoma kwa tchizi.
Chomera Rennet
Rennet yopanga zomera imachokera ku cardoon thistle, atitchoku, nsalu ndi zomera zina. Mitengo imalowetsedwa m'madzi kuti itenge tizilombo toyambitsa matenda tofanana ndi chymosin. Rennet yopanga zomera ingakhale yovuta kugwira ntchito ndi zifukwa ziwiri.
Mmodzi, mphamvu za zomera rennet sizinagwirizane nthawi zonse. Kudziwa kuchuluka kwa nthawi yowonjezera mkaka kuti mukonze mkaka kungakhale kovuta.
Awiri, zomera za rennet zimakhudza kukoma kwa tchizi. Izi zingakhale zabwino. Mitundu yambiri ya tchizi yochokera ku Portugal ikugwiritsidwa ntchito pogwiritsa ntchito nyerere, yomwe imapatsa tchizi kukoma kokongola. Zitsanzo zina ndi Torta del Casar, Azeitao , Serra da Estrela ndi Serena. Komabe, nyerere imatha kupatsanso tchizi zosasangalatsa kapena zowopsya , zomwe zimapangitsa kuti anthu ena amapewe.
Ambiri okonza malonda omwe amagwiritsa ntchito rennet yopangidwa ndi zomera adzafotokozera izi pamalopo, ngakhale kuti sakufunikira. Ngati siziri pa chithunzichi, munthu wodziwa bwino cheesemonger amadziwa ngati tchizi amapangidwa ndi masamba. Funsani kumsika wanu wa tchizi kapena onani mndandanda wapaderawu wa tchizi zopangidwa ndi rennet ya zamasamba.
Genetically-Engineered Rennet kapena Fermentation-Inapangidwa Rennet
Kuwonjezeka kwakukulu kwa dziko lonse kwa rennet ya ziweto kunayambitsa mtundu wina wa rennet, womwe unagwira ntchito komanso nyama ya rennet koma ingapangidwe mu labotale.
Chymosin chromosomes amachotsedwa m'maselo am'mimba a mifuyo kenaka amaikidwa mu zikhalidwe za yisiti zomwe zimakhala ngati alendo.
Chikhalidwe cha alendo chimalimbikitsa kukula kwa michere yatsopano ya ma chymosin. Mavitamini atsopano a chymosin amagawidwa ndikuyeretsedwa.
Ngakhale kupanga mavitamini / feteleza kumapanga rennet kumachokera ku selo la nyama, iyo imatengedwa kukhala chinthu chake, mbadwo watsopano wa ma enzyme ngati mutero. Choncho, amaonedwa kuti ndi okonda zamasamba. Komabe, zophika ndi zamasamba ziyenera kudzipangira okha ngati zidzataya rennet iyi. Kupewa kungakhale kophweka; Mtengo woterewu wodalirika komanso wodalirika umagwiritsidwa ntchito kwambiri popanga cheesemaking.
Microbial Rennet
Zinyumba zina zimakhala ndi michere yomwe ili ofanana ndi chymosin. Mavitamini ameneĊµa amatengedwa mu labu kuti apange tizilombo toyambitsa matenda. Mankhwala a microbial rennet sagwiritsidwa ntchito kwambiri chifukwa akhoza kupanga cheesemaking ndondomeko yovuta kwambiri ndikupatsa tchizi kukoma kokoma.
Nthano yamtundu wamtundu wamtundu wa rennet komanso zomera zamtundu wa rennet zambiri zimabweretsa zotsatira zenizeni; microbial rennet samatero.
Osati njuchi zovuta zokhala ndi rennet mwa iwo. Mitundu yambiri ya tchizi wofewa ndi tchizi tawatsopano timapanga pogwiritsa ntchito rennet . Pali zosiyana, komabe, monga ricotta ndi quark, zomwe nthawi zambiri sizikhala ndi rennet. Mukhozanso kupanga mitundu yambiri ya tchizi panyumba yodzaza ndi asidi mmalo mwa rennet:
- Jekeseni Yogurt Yodzikongoletsera