Khoom noj khoom haus qib sodium carboxymethyl cellulose (CMC) yog cov khoom noj muaj txiaj ntsig thiab muaj txiaj ntsig zoo paub txog nws cov khoom tshwj xeeb thiab ntau yam kev siv hauv kev lag luam khoom noj. CMC yog muab los ntawm cellulose, ib tug natural polymer pom nyob rau hauv cov nroj tsuag cell phab ntsa, thiab undergoes ib tug series ntawm tshuaj hloov kho los txhim kho nws solubility thiab functionality.
Cov yam ntxwv ntawm cov zaub mov qib sodium carboxymethyl cellulose:
Solubility: Ib qho tseem ceeb ntawm cov zaub mov qib CMC yog nws cov solubility siab nyob rau hauv dej txias thiab kub. Cov cuab yeej no ua rau nws yooj yim rau kev koom ua ke rau hauv ntau yam khoom noj thiab dej haus.
Viscosity: CMC muaj nuj nqis rau nws lub peev xwm los hloov cov viscosity ntawm kev daws. Nws ua raws li tus neeg sawv cev thickening, muab kev ntxhib los mos thiab sib xws rau ntau yam khoom noj, xws li kua ntses, hnav khaub ncaws, thiab cov khoom siv mis nyuj.
Stability: Khoom noj khoom haus-qib CMC txhim khu kev ruaj ntseg emulsion, tiv thaiv theem sib cais thiab ua kom cov khoom txee lub neej. Qhov no ua rau nws yog ib qho tseem ceeb muaj nyob rau hauv ntau cov zaub mov tiav.
Film-forming zog: CMC tuaj yeem tsim cov yeeb yaj kiab nyias, uas muaj txiaj ntsig zoo hauv cov ntawv thov uas xav tau cov txheej txheem tiv thaiv nyias. Cov cuab yeej no yog siv rau hauv cov khoom qab zib coatings thiab ua ib txheej thaiv hauv qee cov khoom ntim.
Pseudoplastic: Tus cwj pwm rheological ntawm CMC feem ntau yog pseudoplastic, txhais tau tias nws cov viscosity txo qis hauv kev ntxhov siab. Cov cuab yeej no muaj txiaj ntsig zoo hauv cov txheej txheem xws li tso dej thiab xa tawm.
Kev sib raug zoo nrog lwm cov khoom xyaw: CMC yog sib xws nrog ntau yam khoom xyaw uas feem ntau siv hauv kev lag luam khoom noj. Qhov kev sib raug zoo no ua rau nws muaj ntau yam thiab siv dav.
Txheej txheem ntau lawm:
Kev tsim cov khoom noj-qib CMC suav nrog ntau cov kauj ruam los hloov kho cellulose, cov khoom tseem ceeb ntawm cov phab ntsa ntawm cov nroj tsuag. Cov txheej txheem feem ntau suav nrog:
Kev kho Alkali: Kho cellulose nrog alkali (feem ntau yog sodium hydroxide) los tsim alkali cellulose.
Etherification: Alkaline cellulose reacts nrog monochloroacetic acid los qhia carboxymethyl pawg ntawm cellulose lub ntsiab saw. Cov kauj ruam no yog qhov tseem ceeb los ua kom cov dej solubility ntawm cov khoom kawg.
Neutralization: Neutralize cov tshuaj tiv thaiv cov khoom kom tau txais sodium ntsev ntawm carboxymethylcellulose.
Purification: Cov khoom nyoos tau dhau los ua cov kauj ruam ua kom huv kom tshem tawm cov impurities kom ntseeg tau tias cov khoom CMC kawg ua tau raws li cov qauv zaub mov.
Kev siv hauv kev lag luam zaub mov:
Khoom noj khoom haus-qib CMC muaj ntau yam kev siv hauv kev lag luam zaub mov, pab txhim kho qhov zoo thiab kev ua haujlwm ntawm ntau yam khoom. Qee cov ntawv thov tseem ceeb suav nrog:
Cov Khoom Ci: CMC yog siv rau hauv cov khoom ci xws li qhob cij, ncuav mog qab zib thiab pastries los txhim kho lub khob noom cookie, ua kom cov dej tuav thiab txuas ntxiv tshiab.
Cov khoom siv mis nyuj: Hauv cov khoom siv mis nyuj xws li ice cream thiab yogurt, CMC ua lub stabilizer, tiv thaiv ice crystals los ntawm kev tsim thiab tswj kev ntxhib los mos.
Sauces thiab Dressings: CMC ua raws li tus neeg sawv cev thickening nyob rau hauv cov kua ntsw thiab hnav khaub ncaws, imparting qhov xav tau viscosity thiab txhim kho tag nrho cov zoo.
Dej Haus: Siv rau hauv cov dej haus kom ruaj khov, tiv thaiv sedimentation thiab txhim kho saj.
Confectionery: CMC yog siv rau hauv kev tsim cov khoom qab zib los muab cov khoom ua yeeb yaj kiab rau txheej txheej thiab tiv thaiv cov piam thaj crystallization.
Cov nqaij ua tiav: Hauv cov nqaij ua tiav, CMC pab txhim kho cov dej tuav, ua kom cov khoom muaj kuab lom, muaj kuab heev.
Gluten-dawb cov khoom: CMC yog qee zaum siv hauv cov zaub mov tsis muaj gluten los ua qhov kev ntxhib los mos thiab cov qauv uas gluten feem ntau muab.
Tsiaj Khoom Noj: CMC kuj tseem siv tau rau hauv kev lag luam khoom noj tsiaj los txhim kho kev ntxhib los mos thiab zoo li cov khoom noj tsiaj.
Kev xav txog kev ruaj ntseg:
Khoom noj khoom haus qib CMC suav hais tias muaj kev nyab xeeb rau kev noj thaum siv nyob rau hauv cov kev txwv. Nws tau raug pom zoo los ntawm cov koom haum tswj hwm suav nrog US Food and Drug Administration (FDA) thiab European Food Safety Authority (EFSA) ua cov khoom noj ntxiv uas tsis tsim cov kev mob tshwm sim tseem ceeb thaum siv raws li Kev Tswj Xyuas Zoo (GMP).
Txawm li cas los xij, cov qib kev pom zoo yuav tsum tau ua raws li kev noj qab haus huv zaum kawg. Kev noj ntau dhau ntawm CMC tuaj yeem ua rau mob plab hnyuv hauv qee tus neeg. Raws li nrog rau txhua yam khoom noj ntxiv, cov tib neeg uas muaj kev nkag siab tshwj xeeb lossis kev ua xua yuav tsum tau ceev faj thiab nrhiav kev qhia ntawm tus kws kho mob.
nyob rau hauv xaus:
Khoom noj khoom haus qib sodium carboxymethyl cellulose (CMC) plays lub luag haujlwm tseem ceeb hauv kev lag luam zaub mov, pab txhim kho kev ntxhib los mos, ruaj khov thiab tag nrho cov khoom zoo ntawm ntau yam khoom noj. Nws cov khoom tshwj xeeb, suav nrog solubility, viscosity modulation thiab film-forming muaj peev xwm, ua rau nws muaj ntau yam khoom siv nrog ntau yam kev siv. Cov txheej txheem tsim khoom ua kom muaj kev huv huv thiab kev nyab xeeb ntawm cov khoom noj-qib CMC, thiab kev tswj hwm kev pom zoo underscores nws tsim nyog rau kev siv hauv cov khoom noj khoom haus. Raws li nrog rau txhua yam khoom noj khoom haus ntxiv, kev siv lub luag haujlwm thiab kev paub yog qhov tseem ceeb rau kev tswj hwm cov khoom lag luam kev nyab xeeb thiab kev txaus siab rau cov neeg siv khoom.
Post lub sij hawm: Dec-29-2023