2024 Tus sau: Isabella Gilson | [email protected]. Kawg hloov kho: 2023-12-17 03:27
Cov khoom noj niaj hnub no twb nyuaj rau xav txog yam tsis muaj cov ntsiab lus ntawm ntau yam stabilizers, oxidizers thiab lwm yam tshuaj. Nyob rau hauv cov ntaub ntawv, lawv yog ntau yam additives uas tsuas yog tsim nyog los faib xim, saj los yog tsw rau cov khoom, raws li zoo raws li mus cuag nws lub neej txee. Niaj hnub no peb yuav tham txog cov tshuaj preservatives feem ntau, nrog rau qib ntawm lawv cov nyhuv rau tib neeg lub cev.
YYuav ua li cas yog preservative
Cov tshuaj tua kab mob suav nrog ntau pawg ntawm cov tshuaj uas tsim los tiv thaiv kev loj hlob ntawm cov kab mob. Los ntawm kev ntxiv cov tshuaj no rau cov khoom noj, nws muaj peev xwm ua kom lub txee lub neej ntawm cov khoom. Lub npe nrov preservatives uas tau siv txij li thaum immemorial muaj xws li zib mu, qab zib, ntsev, caw, acetic thiab citric acid, thiab cawv. Lawv tau siv ntev ua ntej kev txhim kho tshuaj lom neeg thiab zaub mov kev lag luam. Txawm li cas los xij, txawm niaj hnub no peb tseem ua zaub mov los yog khaws zaub thiab txiv hmab txiv ntoo los ntawm peb lub tsev rau lub caij ntuj sov.
Preservatives tuaj yeem yog ntuj lossis hluavtaws. Thiab tsis yog ib txwm preservatives synthesized nyob rau hauv lub laboratory yuav ntautxaus ntshai rau tib neeg noj qab haus huv dua li cov tsim los ntawm ntuj. Raws li txoj kev raug, cov khoom ntawm cov chav kawm no tau muab faib ua cov uas hloov kho ib puag ncig, yog li ua tiav kev puas tsuaj ntawm cov kab mob, thiab cov uas cuam tshuam cov haujlwm tseem ceeb ntawm cov kab mob phem.
Preservative E202 - nws yog dab tsi?
Ib qho ntawm feem ntau yog cov tshuaj tua kab mob E202, lossis lwm yam lus - potassium sorbate. Nws belongs rau cov pab pawg neeg ntawm tej yam ntuj tso tshuaj. Cov tshuaj no yog siv los khaws cia zaub mov. Sab nraud, sorbate yog dawb granules lossis hmoov. Nws yog muab rho tawm los ntawm cov noob ntawm txiv hmab txiv ntoo ntawm tej yam nroj tsuag. Ntxiv nrog rau ntuj, kuj tseem muaj cov khoom siv hluavtaws E202. Ua li no, sorbic acid yog neutralized nrog reagents. Yog li ntawd, calcium, poov tshuaj thiab sodium ntsev tau txais, uas yog siv kom tau sorbates ntawm tib lub npe.
Preservative E202 muaj cov solubility siab (qhov taw qhia zoo tshaj plaws ntawm tag nrho cov sorbates). Hauv ib liter dej ntawm chav tsev kub, 138 grams ntawm cov khoom yuav yaj. Qhov kev tso cai ntawm cov tshuaj potassium sorbate yog 0.1-0.2% los ntawm qhov hnyav ntawm cov khoom. Kev siv cov tshuaj tiv thaiv no tau tso cai hauv yuav luag txhua lub tebchaws hauv ntiaj teb.
YSiv Potassium Sorbate
Potassium sorbate yog siv thaum khaws cov txiv hmab txiv ntoo thiab zaub, nqaij thiab ntses. Nws kuj tseem siv tau thaum lub sij hawm npaj qe thiab khoom qab zib, kua txiv hmab txiv ntoo thiab dej qab zib.
Preservative E202 inhibits txoj kev loj hlob ntawm pwm, thiab yog li ntawd nws kuj tseem ntxiv rau cov hnyuv ntxwm thiabcheese, rye qhob cij. Vim lub fact tias cov khoom tsis muaj saj, nws yog feem ntau siv nyob rau hauv chocolate khoom. Txhawm rau txuas lub neej txee, E202 preservative yog siv rau hauv cov txiv hmab txiv ntoo qhuav, oriental sauces, smoked nqaij, mayonnaises, jams, wines, thiab lwm yam.
Potassium sorbate qhia tau hais tias cov khoom siv tshuaj tua kab mob zoo ntawm cov qib siab acidity. Preservative E202 yuav luag ib txwm muaj nyob rau hauv cov khoom noj uas ua tiav thiab khov.
E202 preservative puas tsim kev puas tsuaj los yog tsis?
Hnub no tsis muaj kev pom zoo rau qhov teeb meem no. Cov kws tshawb fawb feem ntau tau lees paub qhov tsis zoo ntawm cov tshuaj no rau feem coob ntawm cov neeg hauv ntiaj teb. Tab sis qee cov kws tshawb fawb ntseeg tias poov tshuaj sorbate, zoo li lwm yam tshuaj tiv thaiv, tsis muaj txiaj ntsig rau tib neeg kev noj qab haus huv. Tsis tas li ntawd, ntau qhov xwm txheej ntawm kev tsis haum tshuaj hnyav tau raug tshaj tawm.
Yog li ntawd, cov kws kho mob tau tsim cov qauv tshwj xeeb uas coj los rau hauv tus account qhov tshwm sim ntawm qhov tshwm sim tsis zoo tom qab siv cov khoom siv nrog cov khoom khaws cia. Qhov no ua rau nws muaj peev xwm lees paub tias cov khoom uas muaj cov tshuaj tiv thaiv E-202 muaj kev nyab xeeb rau tib neeg kev noj qab haus huv. Yog li, piv txwv li, tus nqi ntawm sorbate cov ntsiab lus nyob rau hauv mayonnaise yuav tsum tsis txhob ntau tshaj 2 g ib 1 kg ntawm cov khoom. Rau cov txiv hmab txiv ntoo thiab txiv hmab txiv ntoo puree thiab khoom noj me nyuam, daim duab no yog 0.6 g ib 1 kg.
YPreservative E211
Qhov thib ob nrov tshaj plaws yog sodium benzoate. Cov tshuaj no tuaj yeem pom muaj nyob rau hauv qis qis hauv prunes, cloves, txiv apples, cranberries thiab cinnamon. Tshuajyog cov hmoov dawb, tsw tsw thiab tsw.
Cov tshuaj muaj kev nyuaj siab rau kev ua haujlwm ntawm cov enzymes hauv cov kab mob microbial uas muaj lub luag haujlwm rau kev tawg ntawm starches thiab rog. Tsis tas li ntawd, sodium benzoate muaj qhov cuam tshuam rau pwm thiab lwm yam kab mob poov xab.
Neegative action
Sodium benzoate tuaj yeem tsim benzene. Qhov no tshwm sim yog hais tias cov tshuaj reacts nrog ascorbic acid. Raws li qhov tshwm sim ntawm qhov kev cuam tshuam no, cov khoom muaj zog carcinogenic raug tsim los ua kom puas mitochondrial DNA, uas ua rau muaj kab mob loj.
Nyob hauv lub zej zog kev tshawb fawb niaj hnub no muaj kev sib cav sib cav txog qhov tshwm sim ntawm E211 ntawm cov menyuam yaus lub siab. Raws li qhov no, cov tuam txhab ua zaub mov loj tau nqis tes los nrhiav lwm txoj hauv kev los hloov cov tshuaj no.
Hauv qee lub xeev muaj kev txwv tsis pub siv E211 preservative. Hauv Tebchaws Europe thiab CIS, cov zaub mov no tau tso cai. Ntxiv nrog rau kev lag luam khoom noj khoom haus, sodium benzoate yog siv hauv kev lag luam tshuaj thiab aviation. Nws kuj yog siv los tsim cov suab nrov hauv foob pob hluav taws.
Cov tshuaj tua kab mob E211, E202 thiab ntau lwm yam khoom tseem ceeb hauv lub neej niaj hnub no. Lawv tso cai rau koj kom tau txais thiab siv cov khoom los ntawm lwm sab ntawm lub ntiaj teb. Yog tsis muaj lawv siv, ib tug yuav hnov qab txog txawv teb chaws kua txiv thiab txawv txiv hmab txiv ntoo, oriental sauces thiab Swiss chocolate.
Pom zoo:
Cafe "Rome" (Neftekamsk): ntawv qhia zaub mov, piav qhia thiab lwm yam ntaub ntawv tseem ceeb
Cafe "Rome" hauv Neftekamsk yog cov zaub mov qab tshaj plaws thiab ntau yam hauv nroog. Tom qab tag nrho, ntawm no koj tuaj yeem xaj tsis tau tsuas yog nrov Japanese tais diav, tab sis kuj European thiab sau cov tais diav. Yog tias koj tsis muaj sijhawm mus ntsib nws, koj tuaj yeem siv qhov kev pabcuam xa khoom ntawm Rome cafe hauv Neftekamsk. Cia peb paub qhov chaw zoo tshaj no
Txiv qaub nplooj: yam ntxwv, daim ntawv thov, sau thiab khaws cia
Khoom noj Thaib feem ntau siv ntau yam txuj lom. Txiv qaub nplooj yog tshwj xeeb tshaj yog nrov vim lawv cov cim, incomparable saj thiab nplua nuj vitamin complex. Kaffir txiv qaub yog tsob ntoo citrus los ntawm tsev neeg rue. Nws cov txiv hmab txiv ntoo, txawm hais tias zoo li txiv qaub, yog xyaum tsis siv rau zaub mov, vim lawv muaj qaub saj
E211 preservative - yog dab tsi? Dab tsi yog qhov teeb meem ntawm E211 rau lub cev? Kev cuam tshuam rau lub cev ntawm sodium benzoate
Thaum yuav khoom noj hauv khw muag khoom, peb txhua tus tau saib xyuas qhov tseeb tias cov khoom lag luam feem ntau muaj ntau yam khoom uas pib nrog tsab ntawv "E". Cov no yog cov additives uas tsis muaj kev lag luam zaub mov tsis tuaj yeem ua haujlwm tam sim no. Ib qho ntawm feem ntau yog E211 - preservative. Txhawm rau ua kom lub txee lub neej ntawm cov khoom, txhua tus neeg tsim khoom ntxiv nws
Cafe "At Serezha" (Essentuki): piav qhia, tshuaj xyuas, ntawv qhia zaub mov thiab lwm yam ntaub ntawv tseem ceeb
Essentuki yog ib lub nroog nto moo nyob hauv Stavropol Territory. Txhua xyoo, coob tus neeg tuaj ncig tebchaws tuaj ntawm no los txhim kho lawv txoj kev noj qab haus huv thiab paub cov chaw zoo nkauj no. Yog li ntawd, ntau qhov chaw catering yog nrov heev. Niaj hnub no peb yuav qhia koj mus rau lub café "Ntawm Serezha". Hauv Essentuki, qhov chaw no paub ntau tus neeg hauv zos
Dab tsi yog hom zib ntab? Tsaus, dawb thiab tsis tshua muaj ntau yam ntawm zib mu. Dab tsi ntau yam yog qhov tseem ceeb tshaj?
"Nqaij" muaj lub ntsiab lus txawv txawv - hauv kev txhais lus, lo lus txhais tau tias qee yam tsis paub, enigmatic, muaj txiaj ntsig nrog qee yam khoom siv yees siv. Thiab qhov no tsis yog qhov xav tsis thoob, vim tias cov khoom no muaj peev xwm kho tau txhua yam mob, tiv nrog cov kab mob loj, thiab tseem muaj txiaj ntsig zoo, kev zoo nkauj thiab kev txawj ntse. Dab tsi yog hom zib ntab? Cov lus teb rau lo lus nug no yuav qhia ntxaws, vim tias cov khoom no kuj tau muab cais raws li nws cov keeb kwm thiab kev siv tshuab
