Pasteurization mkaka kunyumba

Pasteurization luso mankhwala dzina lake polemekeza French wasayansi Lui Pastera, amene anakhalapo zaka za m'ma chakhumi ndi chisanu ndi chinayi mochedwa. Kwenikweni umenewu chagona mu umodzi mankhwala kugwirizana Kutentha madzi, imbaenda decontamination ku tizilombo zosiyanasiyana. N'zotheka kuonjezera alumali moyo wa mankhwala. poyamba luso lakonzedwa kuti mowa ndi vinyo.

Kugwiritsa ntchito kwambiri njira imeneyi kusamala anali mu processing wa mkaka. Pasteurisation mkaka - ndi Kutentha ndondomeko kutentha pafupi otentha, ndi chiwonongeko cha tizilombo toyambitsa matenda popanda kusintha katundu zofunika - fungo, kapangidwe ndi kukoma.

Cholinga chachikulu cha pasteurization mkaka - kuteteza acidification ake msanga amene amayambitsa mabakiteriya asidi lactic, ndi kubalana wa Escherichia coli ndi tizilombo tina.

Mu mafakitale kayendetsedwe ka pasteurization bwino amagwiritsa zimachitika kuti phosphatase a. Pamene anthuwo kuvutika amakhulupirira kuti onse asporogenous tizilombo toyambitsa matenda ali kuphedwa. The ndondomeko Mwachangu ndi mkulu pokhapokha ngati mkaka yomweyo pambuyo milking wakhala utakhazikika ndi kutentha ena ndipo anapitirizabe kugwira mpaka pasteurization lapansi. Pakuti kuzirala yapadera imeneyi akasinja ntchito m'mafamu ziweto.

Zochita za pasteurization mkaka akhoza kuchitika mwa njira zitatu zosiyana.

Wopitiriza pasteurisation - mkaka ndi usavutike kutentha madigiri 65 ndipo anakhalabe Tchulani ola.

Short-pasteurization - Kutentha amapezeka digiri 75 processing ndi kutsazikana pambuyo masekondi makumi awiri.

Instant mkaka pasteurization - ndi Kutentha kwa kutentha madigiri 85 - ndipo pomwepo ostuzhennoy. Ngati pasteurization mkaka anapangidwa yomweyo chimasintha thupi katundu ndi mankhwala ena zinthu, potero kusintha kukoma kwake.

Zipangizo kupanga mkaka ntchito kokha padziko lonse mafakitale. Kunyumba, zikhalidwe pasteurization angathe kuchitidwa ntchito kukatentha awiri. Choyamba tiyenera samatenthetsa chidebe imene mkaka, kuika udzasugidwa mu ng'anjo wamba pa za zana madigiri kwa pafupi maminiti makumi awiri. Kapena inu mukhoza kuchita izo mwa njira ochiritsira pogwiritsa ntchito mpweya wotentha.

Komanso, m'chipinda cham'mwamba ladzala ndi mkaka Sitima ndi thermometer aikidwa mu njira kuti si kukhudza makoma ndi pansi - madzi. mkaka wabweretsedwa ndi kutentha ndi madigiri 65, ndi kusonkhezera zonse kwa mphindi makumi atatu. Nkofunika kuonetsetsa kuti kutentha sanali adzauka.

Ngati mkaka ndi mkangano digiri 75, kuti pasteurization ayenera kuchitidwa kokha kwa mphindi khumi ndi zisanu. Pambuyo thanki mkaka chofunika kuti kumizidwa m'madzi, komabe oyambitsa, mpaka kutentha akutsikira digiri anayi Celsius.

Kenako, mkaka udzathiridwa mu chosawilitsidwa chidebe, chivindikiro ndipo anaikidwa firiji a. Monga simungathe kupulumuka kwa masabata awiri amapeza wowawasa.