Nyuj cov kua mis: roj cov ntsiab lus, cov kev pab cuam thiab harms

Tsis xav hais leej twg uas mis nyuj yog ib tug tseem ceeb khoom rau kev kho mob. Nws muaj nyob rau hauv ib tug kuas txoj kev tag nrho cov as-ham. Qhov tseem dominating pom tau hais tias tus tshis lub mis nyuj. 100 g ntawm cov khoom muaj 3.2 g ntawm protein thiab 3.6 g rog. Roughly tib tsis muaj nyuj cov kua mis. Nws muaj roj cov ntsiab lus yog ib nyuag ntau dua, thiab tus nqi noj haus - 64,4 kcal. Qhov tseem maj daim duab - maum cov kua mis. Protein nyob rau hauv nws - tsuas yog 2.1 grams muaj roj thiab txawm tsawg - 1.9 Tab sis ib tug ntau ntawm cov mis nyuj qab zib - 5.8, lub siab tshaj plaws cov ntsiab lus ntawm cov protein thiab muaj roj muaj ib tug yaj lub mis nyuj (5.6 thiab 7.8 g, feem ). Tab sis nyob rau hauv no tsab xov xwm uas peb yuav tham txog cov nyuj cov kua mis. Yuav ua li cas yog nws muaj roj cov ntsiab lus nyob rau hauv tag nrho cov khoom noj, cream thiab mis nyuj derivatives? Wb soj ntsuam.

Yuav ua li cas ib tug rog nyuj cov kua mis?

Lactose muaj pab tau lom zog. Nws muaj cov protein ntau thiab lecithin complex thiab arachidonic acid, uas ua si ib qho tseem ceeb luag hauj lwm nyob rau hauv peb cov metabolism hauv. Cov hlaws dai ntawm roj tom qab tej lub sij hawm tom qab qhov yuav tsum tau nce mus. Yog li ntawd creamer. Tom qab ntawm lub thoob yas ntawd yog qhia cov mis nyuj. Nws twb skimmed, raws li tau muab ib co ib feem ntawm lub cream. Nws yog tseeb hais tias xws li ib tug cov khoom no yog txaus rau cov neeg zaum rau ib tug noj. Tab sis ua li cas rau cov mis nyuj tom ntej no? Pasteurized, sterilized, qhuav mus rau ib tug hmoov zoo thiab ces diluted nrog dej, enriched nrog cov vitamins xaiv. Thiab tsis melted, ion-pauv, condensed. Tsis hais lub lactic acid cov khoom. Nws yog ib zajlus kom hais tias nyuj cov kua mis muaj ib tug txawv roj cov ntsiab lus. Nws yog nyob ntawm seb hom kev kho mob yog cov khoom.

Kev siv cov nyuj cov kua mis

Qhov no khoom noj khoom pib rau tag nrho cov paub science ntawm cov vitamins. Raws li regards minerals, qhov tseem ceeb rau kev kho mob yog phosphorus thiab poov hlau ntsev. Lawv yuav tsum tau rau muaj zog kom cov pob txha, thiab ntxiv dag zog nco. Lactose, los yog mis nyuj qab zib, sucked plab qeeb qeeb tshaj lwm tus. Tab sis rau cov neeg feem coob nws kuj tsis ua ib yam nkaus thiab mob siab heev fermentation nyob rau hauv lub plab. On qhov tsis tooj, lub lactic acid cov kab mob inhibit qhov kev loj hlob ntawm lub hnyuv putrefaction. Yog li ntawd, nyuj cov kua mis, cov roj cov ntsiab lus ntawm cov uas yog hom twg los ntawm ib tug mus rau ib xees, nws yog pab nyob rau hauv tej daim ntawv. Tab sis muaj cov neeg uas tsis tau tso khoom no txij li thaum nws yug.

Kev puas tsuaj rau nyuj cov kua mis

Nyob rau hauv lub ntiaj teb no, txhua tus yuav tau lawv tus kheej tshuaj pleev yoov nyob rau hauv lub tshuaj pleev. Nyob rau hauv cov ntaub ntawv ntawm cov mis nyuj, qhov teeb meem yog ib tug ua tau kab mob kab mob. Yog li ntawd, lub crude khoom yuav tsum tau hau. Tab sis, ces cov mis nyuj yog deprived ntawm feem ntau ntawm lawv tej khoom. Tseem muaj cov neeg uas muaj ib tug lub hnub yug nyob rau hauv lub plab tsis muaj lub enzyme lub luag hauj lwm rau metabolizing lactose. Qhov zoo ces, cov niaj hnub khoom noj khoom haus kev lag luam ua ib tug tshwj xeeb cov mis nyuj rau lawv. Noj niam mis rau me nyuam mos yeej tsis nquag raug kev txom nyem sib cais los ntawm nws niam lub mis. Ces nyuj cov kua mis, cov roj cov ntsiab lus ntawm cov uas tseem unchanged, hloov lub ion-pauv. Nws yuav ua synthetically, hloov calcium rau vaj huam sib luag npaum li cas ntawm poov tshuaj thiab sodium, raws li zoo raws li pom vitamins C thiab B. Feem ntau tshwj xeeb cov mis nyuj thiab rau cov neeg mob kev txom nyem los ntawm ib tug protein deficiency. Nws muaj roj cov ntsiab lus yog standard - 2.5 feem pua. Tab sis lub protein cov ntsiab lus ntau zog artificially. Thaum kawg, cov mis nyuj (thiab derivatives thereof zaub mov) rau poob ceeb thawj. tag nrho xwb no. Nada yog poured mus rau hauv ib tug tshwj xeeb lub tais - separator. Ces lub qab zib yog muab tshem tawm thiab yim mis nyuj twb sterilized (rhuab ntawm ib tug kub ntawm 150 ° C) los yog pasteurized (khaws cia nyob rau hauv 75 ° C rau peb caug vib nas this thiab ces sai txias mus rau 8 ° C).

Yuav ua li cas muaj feem xyuam rau cov roj cov ntsiab lus ntawm cov khoom?

Peb twb txiav txim hais tias tus manipulation ntawm cov tag nrho cov mis nyuj yuav ob leeg txo thiab kom nws tus nqi noj haus. Yog hais tias lub pob nrog cov khoom qhia 10%, ces qhov no yog cream. Feem Pua roj bovine mis nyuj melted - 6 units, normalized thiab txo - 3.2. Lub ntim ntawm nyoos cov khoom, uas dhau tsuas txhua yam tu, uas teev tseg los ntawm 2 mus rau 2.5%. Ib tug muaj roj tsawg khoom tej zaum yuav zoo rau nws 0.1%. Tab sis qhov no daim duab txawm tsis muaj kev pab tib neeg tej zaum yuav txawv. Txhais kom meej nws, siv ib tug tshwj xeeb ntaus ntawv - lactometer.

Yuav ua li cas muaj feem xyuam rau cov roj cov ntsiab lus ntawm domestic nyuj cov kua mis?

Ntxiv manipulation yog tsim nyog, qhov feem pua ntawm lactose nyob ntawm heev heev yam. Chief ntawm lawv yog cov tsiaj muaj nyuj. Breeders ntawm cov nyuj uas neeg nyuj cov mis nyuj los yog nqaij. Tshwj xeeb tshaj yog tseem ceeb cov yog Jersey Nyuj thiab fasineyshn. Cov nyuj muab mis nyuj tsib los sis rau feem pua roj cov ntsiab lus. Muaj hnub nyoog ntawm cov tsiaj kuj tseem ceeb heev. Ntawm tus nqi ntawm cov mis nyuj tawm los thiab muaj roj cov ntsiab lus ntawm cov mis nyuj yuav tsum havzoov tawm tswv yim. Qhov ntau litres muab tus nyuj, cov thinner khoom. Lactation kuj muaj feem xyuam rau cov roj. Tom qab Calving kua mis nyuj thiab ces nws yuav thicker. Ntawm cov hoob kawm, khoom noj khoom haus plays ib tug luag hauj lwm loj. Cov laus hay, fragrant ntaug, withered nyom los ntawm roadsides los yog clover meadows lawm muaj feem xyuam rau qhov zoo thiab muaj roj cov ntsiab lus ntawm cov khoom. Nyob rau hauv no kev twb kev txuas thiab thaum lub sij hawm milking yog ib qho tseem ceeb. Feem ntau cov rog - hnub mis nyuj thiab kua - thaum sawv ntxov.