Yuav Ua Li Cas Saib Xyuas Cov Mis Zoo Hauv Tsev?

Mis yog ib yam khoom uas muaj nyob rau hauv txhua lub fridge, thiab muab hais tias nws yog feem ntau noj los ntawm peb cov me nyuam, koj yuav tsum paub yuav ua li cas nrhiav tau thaum yuav nws.

Hom mis nyuj koj xav yuav

Muaj plaub hom mis nyuj: sterilized, pasteurized, ultra-pasteurized, thiab ci.

• Pasteurized mis nyuj yog rhuab ntawm lub Hoobkas ntawm qhov kub ntawm txog (70-75) ° C. Cov txiaj ntsig zoo ntawm cov mis nyuj yog khaws cia, thaum cov kab mob phem raug rhuav tshem. Pasteurized mis nyuj nyob rau hauv 5-10 hnub. Nws muaj tag nrho cov txiaj ntsig zoo thiab yuav tsum tau muab cia rau hauv lub tub yees. Nws yog qhov zoo tagnrho rau kev noj txhua hnub.
• Ci mis nyuj yog rhuab ntawm qhov kub ntawm (85-99) ° C rau ob peb teev. Muab piv rau cov mis nyuj pasteurized, nws muaj feem pua ​​​​ntawm cov roj ntau dua (feem ntau yog 6%), thiab ntau cov calcium, hlau, thiab vitamin A, thaum muaj cov vitamins C thiab B1 tsawg. Lub neej txee ntawm cov mis nyuj ci yog 5-7 hnub.
• Ultrapasteurized mis nyuj yog rhuab ntawm qhov kub txog li 150 ° C rau ob peb feeb. Ua tsaug rau cov kev ua haujlwm thev naus laus zis, cov neeg tsim khoom txuas ntxiv lub txee lub neej ntawm cov mis nyuj vim qhov tseeb tias me ntsis txawv teb chaws microflora tseem nyob hauv nws. Ultra-pasteurized mis tuaj yeem khaws cia rau hauv lub thawv kaw yam tsis muaj tub yees ntev txog 180 hnub. Cov mis nyuj zoo li no tuaj yeem nqa nrog koj thaum mus ncig, thiab taug kev lossis siv nyob rau hauv ib puag ncig uas tsis tuaj yeem khaws zaub mov hauv lub tub yees.
• Cov kua mis tsis muaj menyuam tuaj yeem khaws cia rau lub sijhawm ntev tshaj plaws, uas ua tiav los ntawm kev ua haujlwm kub (130-140 ° C). Cov txheej txheem rhuav tshem tag nrho cov teeb meem microflora thiab cov kab mob hauv cov mis nyuj. Txawm li cas los xij, qhov no tsis tau txhais hais tias cov mis tsis muaj menyuam tsis tuaj yeem noj qab haus huv - piv txwv li, cov kua mis tsis muaj vitaminized tam sim no tau tsim, uas muaj txiaj ntsig zoo rau kev noj qab haus huv.

Tsuas yog cov kua mis pasteurized khaws nws cov txiaj ntsig zoo.

Feem pua ​​ntawm cov rog

Qhov feem pua ​​​​ntawm cov rog yog qhov thib ob tseem ceeb tshaj plaws rau kev xaiv cov mis nyuj hauv lub khw (tom qab xaiv hom mis nyuj). Niaj hnub no, koj tuaj yeem pom cov mis nyuj nrog cov roj sib txawv ntawm cov khoom txee - los ntawm 1% mus rau 6%.

Dab tsi yuav tsum xav txog thaum xaiv cov mis nyuj muaj roj:

Qhov feem pua ​​​​ntawm cov rog ntau dua, cov mis nyuj muaj calorie ntau ntau (piv txwv li, 1% mis nyuj muaj 42 calories, 2.6% mis nyuj muaj 52 calories, thiab 3.2% mis nyuj muaj 60 calories). Calorie ntsiab lus yuav txawv nyob ntawm seb hom mis nyuj. Yog tias koj nyob ntawm kev noj zaub mov thiab saib koj daim duab, qhov no yuav tsum tau coj mus rau hauv tus account. Cov mis nyuj uas muaj roj tsawg yog pom zoo rau cov neeg koom nrog hauv kev qoj ib ce, kev tsim lub cev, thiab lwm yam kev ua si uas koom nrog kev tawm dag zog hnyav.

Mis muaj roj cov ntsiab lus tsis cuam tshuam cov ntsiab lus protein. Cov protein ntau yuav zoo ib yam hauv cov mis nyuj nrog 1% rog thiab 3.2% rog.

Calcium yog absorbed nyob rau hauv ua ke nrog vitamin D, yog li ntawd yog hais tias koj haus skim mis nyuj, nws yuav tsis tau absorbed (vitamin D xav tau cov khoom noj muaj roj nplua nuj nyob rau hauv cov vitamin no yuav tsum tau absorbed).

Hnub tsim khoom thiab hnub tas sij hawm

Yog tias koj twb tau txiav txim siab txog hom mis nyuj thiab feem pua ​​​​ntawm cov rog, qhov tom ntej no koj yuav tsum tau them sai sai rau yog hnub tsim khoom, hnub tas sij hawm, thiab kev cia khoom. Yog tias hnub tsim khoom tsis raug cai, tsis txhob yuav cov mis nyuj zoo li no.

Ntim kev ncaj ncees

Ib qho kev pom zoo zoo sib xws siv rau kev ntim khoom: yog tias qhov kev ntseeg siab ntawm lub ntim raug cuam tshuam (los yog xav tsis thoob), nws tsis pom zoo kom yuav cov mis nyuj zoo li no. Nws raug nquahu tias lub pob lossis lub raj mis yuav tsum tau nruab nrog lub hau tshwj xeeb lossis daim kab xev uas ua kom lub thawv tsis qhib ua ntej yuav khoom.

Nov yog qee cov lus qhia txog yuav ua li cas los xyuas cov mis nyuj zoo:

Iodine yuav pom cov hmoov txhuv nplej siab

Unscrupulous producers ntxiv cov hmoov txhuv nplej siab rau cov mis nyuj kom nws qhov tsim nyog ntom. Qhov no feem ntau yog ua nyob rau lub caij ntuj no thiab caij nplooj ntoos hlav thaum cov kua mis yields poob thiab cov mis nyuj yog tsim los ntawm cov mis nyuj qhuav sau thaum lub caij ntuj sov.

Tab sis thaum nws yog diluted, xws li cov mis nyuj yuav unnaturally kua, yog li ntawd cov chaw tsim tshuaj paus raug yuam kom ntxiv starch mus nkaum lub "reconstituted" mis nyuj.

Txhawm rau txheeb xyuas cov khoom lag luam nrog cov khoom ntxiv, tso ob peb tee ntawm iodine rau hauv nws. Yog tias koj tab tom saib cov mis nyuj tshiab los ntawm nyuj, nws yuav tig daj. Thiab yog hais tias nws yog diluted qhuav mis nyuj nrog starch, nws yuav tig xiav.

Sour cream yuav qhia cov tshuaj tua kab mob

Yog tias tus neeg tsim khoom xav txuag sijhawm thiab nyiaj txiag ntawm pasteurization, nws ntxiv cov tshuaj tua kab mob rau cov mis nyuj kom qeeb nws cov kua qaub. Tsis tas li, cov tshuaj tua kab mob tuaj yeem nkag mus rau hauv cov khoom lag luam los ntawm cov mis nyuj muaj mob lossis nyuj uas tau ua tiav lawv cov kev kho mob tsawg dua kaum hnub ua ntej pib tsim khoom.

Txoj kev yooj yim tshaj plaws los tshuaj xyuas cov tshuaj tua kab mob yog tso cov kua mis kom qaub. Ua kom cov txheej txheem no sai dua, ntxiv ib teaspoon ntawm qaub cream rau ib khob mis nyuj thiab tawm ntawm chav tsev kub ntawm 22-24 C. Yog hais tias cov mis nyuj hloov qaub tom qab 3-4 teev, nws txhais tau hais tias nws tsis muaj tshuaj tua kab mob.

Yog tias koj txiav txim siab siv peb daim ntawv qhia rau curd ceev nrog 10% calcium chloride, xyuam xim rau sai npaum li cas cov mis nyuj pib curdle tom qab ntxiv cov tshuaj hauv khw muag tshuaj. Qhov no tshwm sim sai, qhov tsawg dua nws yuav muaj cov tshuaj tua kab mob.

Cawv yuav ntes dej

Txhawm rau txiav txim siab seb lub pob ntim mis yuav muaj dej thiab qhov feem pua ​​​​ntawm nws (cov mis feem ntau yog diluted kom nws ntim), sib tov 50 g ntawm mis nyuj nrog 100 g ntawm cawv nyob rau hauv ib lub raj mis, co nws rau 2-3 feeb thiab ncuav lub tag nrho cov ntsiab lus rau hauv ib lub tais. Lub sij hawm ntev npaum li cas rau flakes tsim nyob rau hauv cov mis nyuj. Yog tias cov khaubncaws sab nraud povtseg tau pom tam sim ntawd, cov mis nyuj tsis tau diluted nrog dej. Tab sis lub thickening ntawm cov khoom tom qab ib nrab ib teev qhia tau hais tias muaj li ib nrab ntawm cov dej nyob rau hauv cov mis nyuj no.

Mis yog ib yam khoom ntawm kev noj txhua hnub, yog li thaum xaiv ib hom tshuaj, nws tsim nyog tshawb fawb. Nug txog keeb kwm ntawm lub tuam txhab, nws lub koob npe nrov, seb nws puas muaj nws tus kheej cov khoom siv raw, siv txoj kev tsim khoom, thiab qhov tseem ceeb ntawm lub tuam txhab tsim khoom. Qhov tseeb, tom kawg yog qhov kev sib cav muaj zog hauv kev pom zoo ntawm kev xaiv koj tus kheej hom.

Yog tias koj xav yuav cov mis nyuj uas tau lees paub zoo, peb xav kom koj nrhiav cov ntaub ntawv hais txog cov chaw tsim khoom hauv Is Taws Nem. Ua tib zoo mloog cov ntsiab lus hauv qab no:

• Lub xub ntiag ntawm cov chaw tsim khoom lub vev xaib (lossis pawg tuam txhab uas suav nrog cov chaw tsim khoom). Koj yuav tsum lees paub tias niaj hnub no txhua lub tuam txhab hwm tus kheej, thiab nws cov neeg siv khoom, tau sawv cev hauv Is Taws Nem. Thiab yog tias koj nrhiav tsis tau cov ntaub ntawv hais txog cov chaw tsim khoom, nws yuav tsum tsawg kawg yog ceeb.
• Daim ntawv pov thawj raws li thoob ntiaj teb cov qauv kev tswj hwm zoo thiab tswj ISO 9000 thiab HACCP (yog tias lub tuam txhab muaj lub vev xaib, koj tuaj yeem pom cov ntaub ntawv no tau yooj yim nyob ntawd).