Imishini encane yeyogathi

Incazelo emfushane:

I-yogurt uhlobo lwesiphuzo sobisi olunambitheka omnandi nomuncu. Luhlobo lomkhiqizo wobisi othatha ubisi njengezinto ezingavuthiwe, ezinamathiselwe bese zengezwa ngamagciwane azuzisayo (ukuqala) obisini.


Imininingwane yomkhiqizo

Amathegi womkhiqizo

Imikhiqizo ye-yogurt emakethe iningi lohlobo lokuqina, uhlobo olushukumisayo nohlobo lwesithelo sezithelo ngezinhlobo ezahlukahlukene zeziphuzo zeziphuzo zezithelo.

Inqubo yokukhiqiza yeyogathi ingafingqwa njengezithako, ukushisa, ukufakela i-homogenization, inzalo, ukupholisa, ukufaka inoculation, (ukugcwalisa: i-yoghurt eqinisiwe), ukuvutshelwa, ukupholisa, (ukuxuba: i-yoghurt evuthayo), ukupakisha nokuvuthwa. Isitashi esishintshiwe sengezwa esigabeni sokugoqa, futhi umphumela waso wohlelo lokusebenza uhlobene kakhulu nokulawulwa kwenqubo

Izithako: ngokuya ngebhalansi sheet, khetha izinto zokusetshenziswa ezidingekayo, njengobisi olusha, ushukela kanye ne-stabilizer. Isitashi esilungisiwe singangezwa ngokwahlukana ngenqubo yezithako, futhi singangezwa ngemuva kokuhlangana okomile nezinye izinsini zokudla. Uma ucabanga ukuthi isitashi kanye nensini yokudla ikakhulu yizinto eziphakeme zamangqamuzana ezine-hydrophilicity eqinile, kungcono ukuzixuba nenani elifanele likashukela ogqamile bese uziqedela ebisini elishisayo (55 ℃ ~ 65 ℃) ngaphansi kwesimo esisheshayo esisheshayo sokuthuthukisa ukusabalalisa kwazo .

yoghurt  machine
sterilized milk machine

Inqubo ethile yemishini yeyogathi iyageleza:
Preheating: inhloso preheating ukuthuthukisa ukusebenza kahle inqubo elandelayo homogenization, futhi ukukhethwa preheating lokushisa akufanele kube ephakeme ukwedlula lokushisa gelatinization isitashi (ukugwema isakhiwo kuyizinhlayiyana ezilimele inqubo homogenization emva isitashi gelatinization).

I-homogenization: i-homogenization ibhekisa ekwelashweni ngomshini kwama-globules amafutha obisi, ukuze abe ngama-globules amancane anonile ahlakazeke ngokulinganayo obisini. Esigabeni se-homogenization, okokusebenza kufakwa kushear, ukushayisana namandla we-cavitation. Isitashi esishintshiwe sinokumelana okuqinile kwe-shear ukumelana ngenxa yokuguqulwa kokuxhumanisa, okungagcina ubuqotho besakhiwo segranule, esivumayo ukugcina i-viscosity nesimo somzimba seyogathi.

Inzalo: i-pasteurization ivame ukusetshenziswa, futhi inqubo yokuvala inzalo yama-95 ℃ nama-300s ngokuvamile yamukelwa ezitshalweni zobisi. Isitashi esilungisiwe sinwetshiwe ngokuphelele futhi sifakwe i-gelatin kulesi sigaba ukwakha i-viscosity.

Ukupholisa, ukufaka inoculation nokuvutshelwa: isitashi esine-denatured uhlobo lwento ephezulu yamangqamuzana, esagcina ezinye izakhiwo zesitashi sokuqala, okungukuthi, i-polysaccharide. Ngaphansi kwenani le-pH le-yogurt, isitashi ngeke sehliswe ngamagciwane, ngakho-ke singagcina ukuzinza kohlelo. Lapho inani le-pH lohlelo lokuvutshelwa lehla laya endaweni ye-isoin ye-casein, i-casein iyakhomba futhi iqinise, yakhe uhlelo lwenethiwekhi olunezinhlangothi ezintathu oluxhunywe ngamanzi, futhi uhlaka luyaba yinsimbi. Ngalesi sikhathi, isitashi esine-gelatinized singagcwalisa amathambo, sibophe amanzi amahhala futhi sigcine ukuzinza kohlelo.

Ukupholisa, ukugqugquzela nangemva kokuvuthwa: inhloso yokupholisa iyogathi ukuvimbela ngokushesha ukukhula kwamagciwane kanye nomsebenzi we-enzyme, ikakhulukazi ukuvimbela ukukhiqizwa kwe-asidi ngokweqile nokuphelelwa amandla kwamanzi ngesikhathi sokunyakazisa. Ngenxa yemithombo ehlukene yezinto zokusetshenziswa, isitashi esiguquliwe sineziqu ezahlukahlukene ze-denaturation, futhi umphumela wesitashi eguquliwe esetshenziswe ekukhiqizeni iyogathi akufani. Ngakho-ke, isitashi esilungisiwe singanikezwa ngokuya ngezidingo ezahlukahlukene zekhwalithi ye-yogurt.


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