Khoom noj hauv qab yog tshiab heev
Qhov laj thawj tseem ceeb uas feem ntau cov neeg tso tseg cov khoom noj hauv qab yog vim lawv xav tias cov khoom noj hauv qab tsis tshiab.
Qhov kev ntxub ntxaug no yog raws li cov neeg siv khoom xav txog cov khoom noj hauv cov kaus poom, uas ua rau lawv xav tias lub sijhawm khaws cia ntev yog qhov qub. Txawm li cas los xij, cov khoom noj hauv cov kaus poom yog cov khoom noj tshiab uas khaws cia tau ntev.
1. Cov khoom siv tshiab
Yuav kom cov khoom noj hauv qab tshiab, cov chaw tsim khoom noj hauv qab yuav ua tib zoo xaiv cov khoom noj tshiab rau lub caij. Qee lub hom lag luam txawm tsim lawv tus kheej cov chaw cog qoob loo thiab nuv ntses, thiab teeb tsa cov chaw tsim khoom nyob ze rau kev npaj tsim khoom.
2. Khoom noj hauv qab muaj lub sijhawm ntev
Qhov laj thawj rau lub sijhawm ntev ntawm cov khoom noj hauv qab yog vim tias cov khoom noj hauv qab raug kaw los ntawm lub tshuab nqus tsev thiab ua kom huv si hauv qhov kub siab thaum lub sijhawm tsim khoom. Qhov chaw nqus tsev tiv thaiv cov khoom noj uas tau ua kom huv si hauv qhov kub siab kom tsis txhob kov cov kab mob hauv huab cua, tiv thaiv cov khoom noj kom tsis txhob muaj kab mob ntawm qhov chaw.
3. Tsis tas yuav muaj cov tshuaj preservatives tag nrho
Xyoo 1810, thaum cov khoom noj hauv qab tau yug los, cov tshuaj tiv thaiv khoom noj niaj hnub xws li sorbic acid thiab benzoic acid tseem tsis tau tsim tawm li. Yuav kom ntev lub sijhawm khaws khoom noj, tib neeg siv cov thev naus laus zis canning los ua khoom noj rau hauv cov kaus poom.
Thaum nws los txog rau cov khoom noj hauv qab, feem ntau cov neeg thawj zaug xav yog "tsis kam.". Cov neeg ib txwm xav tias cov tshuaj preservatives tuaj yeem ua rau cov khoom noj ntev dua, thiab cov khoom noj hauv qab feem ntau muaj lub sijhawm ntev, yog li ntau tus neeg xav yuam kev tias cov khoom noj hauv qab yuav tsum tau ntxiv ntau cov tshuaj preservatives. Cov khoom noj hauv qab puas ntxiv ntau cov tshuaj preservatives, raws li pej xeem hais?
Tshuaj tiv thaiv? Tsis muaj li! Xyoo 1810, thaum cov kaus poom tau tshwm sim, vim tias cov thev naus laus zis tsim khoom tsis tau raws li tus qauv, nws tsis yooj yim sua kom tsim tau ib puag ncig uas muaj qhov nqus tsev. Yuav kom ntev lub sijhawm khaws cia ntawm cov khoom noj, cov chaw tsim khoom thaum lub sijhawm ntawd yuav ntxiv cov tshuaj tiv thaiv rau nws. Tam sim no xyoo 2020, qib kev txhim kho ntawm kev tshawb fawb thiab thev naus laus zis tau siab heev. Tib neeg tuaj yeem tsim ib puag ncig uas muaj qhov nqus tsev kom ntseeg tau tias cov khoom noj huv, yog li cov kab mob me me uas tseem tshuav tsis tuaj yeem loj hlob yam tsis muaj oxygen, yog li cov khoom noj hauv kaus poom tuaj yeem khaws cia tau ntev.
Yog li ntawd, nrog rau cov thev naus laus zis tam sim no, tsis tas yuav ntxiv cov tshuaj preservatives rau nws. Rau cov khoom noj hauv qab, feem ntau cov neeg tseem muaj ntau qhov kev nkag siab yuam kev. Nov yog qee qhov kev daws teeb meem:
1. Khoom noj hauv qab tsis tshiab?
Qhov laj thawj tseem ceeb uas ua rau ntau tus neeg tsis nyiam cov khoom noj hauv qab yog vim lawv xav tias cov khoom noj hauv qab tsis tshiab. Cov neeg feem coob tsis nco qab tias "lub sijhawm khaws cia ntev" yog "tsis tshiab", uas qhov tseeb yog qhov tsis raug. Feem ntau, cov khoom noj hauv qab tshiab dua li cov txiv hmab txiv ntoo thiab zaub uas koj yuav hauv khw muag khoom loj.
Ntau lub Hoobkas ua cov kaus poom yuav teeb tsa lawv cov chaw cog qoob loo ze ntawm cov chaw tsim khoom. Cia peb coj cov txiv lws suav kaus poom ua piv txwv: qhov tseeb, nws siv sijhawm tsawg dua ib hnub los khaws, ua thiab kaw cov txiv lws suav. Yuav ua li cas lawv thiaj tshiab dua li feem ntau cov txiv hmab txiv ntoo thiab zaub hauv lub sijhawm luv luv! Tom qab tag nrho, ua ntej cov neeg siv khoom yuav nws, cov txiv hmab txiv ntoo tshiab thiab zaub twb tau ntsib qhov nyuaj 9981 thiab poob ntau cov as-ham. kho kom raug Qhov tseeb, feem ntau cov khoom noj kaus poom muaj txiaj ntsig ntau dua li cov khoom noj tshiab uas koj noj
2. Lub sijhawm txee ntev npaum li cas, muaj dab tsi tshwm sim?
Peb twb tau hais txog ib qho ntawm cov laj thawj rau lub sijhawm ntev ntawm cov kaus poom, uas yog, qhov chaw nqus tsev, thiab qhov thib ob yog kev tua kab mob kub siab. Kev tua kab mob kub siab, tseem hu ua pasteurization, tso cai rau cov khoom noj uas tau tua kab mob kub siab kom tsis txhob sib cuag nrog cov kab mob hauv huab cua, uas hu ua kev tiv thaiv cov khoom noj kom tsis txhob muaj kab mob los ntawm qhov chaw.
3. Cov khoom noj hauv qab yeej tsis muaj txiaj ntsig zoo li cov khoom noj tshiab!
Qhov tsis muaj zaub mov zoo yog qhov laj thawj thib ob uas ua rau cov neeg siv khoom tsis kam yuav cov khoom noj hauv qab. Cov khoom noj hauv qab puas muaj txiaj ntsig zoo tiag? Qhov tseeb, qhov kub ntawm cov nqaij hauv qab yog li 120 ℃, qhov kub ntawm cov zaub thiab txiv hmab txiv ntoo hauv qab tsis pub tshaj 100 ℃, thaum qhov kub ntawm peb cov zaub mov txhua hnub yog ntau tshaj 300 ℃. Yog li ntawd, qhov poob ntawm cov vitamins thaum lub sijhawm ua kom cov khoom noj hauv qab yuav ntau dua qhov poob ntawm kev kib, kib, kib thiab ua kom npau? Ntxiv mus, cov pov thawj tseem ceeb tshaj plaws los txiav txim siab qhov tshiab ntawm cov khoom noj yog saib qib ntawm cov as-ham qub hauv cov khoom noj.
Lub sijhawm tshaj tawm: Lub Yim Hli-08-2020