Carboxymetylcelleculose (CMC) yog ib qho ntau yam siv nyob rau hauv ntau yam khoom lag luam, suav nrog cov khoom noj, cov chaw muag tshuaj, tshuaj pleev ib ce, thiab kev tsim khoom. Nws cov khoom muaj ntau yam ua rau nws muaj txiaj ntsig zoo li tus neeg sawv cev tuab tuab, stabilizer, emulsifier, thiab ntau dua. Tsoomfwv Meskas cov nyiaj txiag (FDA) plays lub luag haujlwm tseem ceeb hauv kev nyab xeeb thiab kev siv tau pom zoo ua ntej lawv tau pom zoo siv hauv cov neeg siv khoom lag luam.
Nkag siab cov carboxymethylcelleculose (cmc)
Carboxymethylcellulose, feem ntau cov lus luv li ntawm CMC, yog qhov ua kom pom ntawm cellulose. Cellulose yog cov organic ntau tshaj plaws hauv ntiaj teb thiab muaj nyob hauv cov phab ntsa ntawm tes ntawm cov nroj tsuag, muab kev txhawb nqa ntawm cov txheej txheem. CMC tau muab los ntawm cellulose los ntawm kev hloov kho tshuaj lom neeg uas cuam tshuam nrog cov pawg ntawm cov pob cellulose mus rau lub cellulose caj qaum. Qhov kev hloov kho no uas cuam tshuam ntau yam khoom rau CMC, suav nrog cov dej solubility, viscosity, thiab ruaj khov.
Cov khoom ntawm Carboxymethylcellulose:
Dej Solubility: CMC yog soluble hauv dej, sib sau ua kom pom tseeb, muaj kuab. Cov cuab yeej no ua rau nws muaj txiaj ntsig hauv ntau daim ntawv thov uas muaj cov neeg sawv cev ruaj khov lossis ruaj khov.
Viscosity: cmc cov khoom ua pov thawj pseudopastic tus cwj pwm, txhais tau tias nws viscosity txo qis nyob rau hauv shear kev ntxhov siab thiab nce ntxiv thaum cov kev ntxhov siab raug tshem tawm. Cov cuab yeej no tso cai rau cov ntawv thov yooj yim hauv cov txheej txheem xws li nqus, txau, lossis extrusion.
Stability: cmc imparts ruaj khov rau emulsions thiab ncua kev txwv, tiv thaiv cov khoom xyaw los ntawm kev sib cais lossis tsis sib cais. Qhov kev ruaj khov no yog qhov tseem ceeb hauv cov khoom lag luam xws li cov tshuaj nyias nyias, tshuaj pleev ib ce, thiab kev ncua chaw muag tshuaj.
Zaj duab xis-tsim: CMC tuaj yeem ua cov yeeb yaj kiab nyias, hloov tau yooj yim rau cov ntawv thov lossis cov tshuaj ntsuab, thiab hauv kev tsim cov yeeb yaj kiab rau cov khoom ntim.
Cov ntawv thov ntawm Carboxymethylcellulose
CMC pom muaj dav dav siv thoob plaws kev lag luam vim nws cov khoom muaj ntau yam. Qee cov ntawv thov feem muaj xws li:
Kev lag luam khoom noj khoom haus: CMC yog siv los ua cov thickener, stabilizer, thiab binder nyob rau hauv ntau ntawm cov khoom noj khoom noj, hnav cov khoom noj, khoom qab zib, bakery khoom, thiab dej haus. Nws pab txhim kho kev ntxhib los mos, cov quavntswv, thiab tshem tawm qhov ruaj khov.
Kws muag tshuaj: hauv cov ntaub ntawv, CMC yog siv los ua cov ntawv sau ua qauv, cov tuab hauv kev raug tshem tawm, thiab lub stabilizer nyob rau hauv emulsions. Nws ua kom muaj kev faib tshuaj tsis zoo thiab txhim kho tus neeg mob ua raws.
Cov tshuaj pleev ib ce thiab cov khoom siv saib xyuas tus kheej: CMC tau ua haujlwm hauv cov tshuaj pleev ib ce thiab cov khoom siv saib xyuas tus kheej xws li cov tshuaj pleev xim, thiab tshuaj txhuam hniav li cov tuab, emulsifier, thiab stabilizer. Nws pab tswj cov khoom lag luam xwm yeem thiab txhim kho kev ua tau zoo.
Kev Siv Khoom Siv: CMC yog siv nyob rau hauv ntau cov txheej txheem muaj cov tuab, dej tswj hwm tus neeg saib xyuas, thiab rheology kho hauv cov khoom lag luam xws li cov xim kas fes, cov xim nplaum, thiab cov kua nplaum, thiab ntsuas dej.
FDA Cov Txheej Txheem Kev Pom Zoo
Hauv Tebchaws Meskas, FDA tswj kev siv cov zaub mov noj ntxiv, nrog rau CMC, thiab cov khoom noj kom zoo nkauj (FD & CLA cov kev txhawj xeeb tseem ceeb yog kom ntseeg tau tias cov tshuaj Ntxiv rau cov zaub mov muaj kev nyab xeeb rau kev noj thiab pab lub hom phiaj muaj txiaj ntsig.
Kev pom zoo FDA rau cov khoom noj khoom haus ib txwm muaj koom nrog cov kauj ruam hauv qab no:
Kev ntsuas xyuas kev nyab xeeb: Tus tsim chaw tsim khoom lossis cov xa khoom ntawm cov zaub mov ntxiv yog lub luag haujlwm rau kev coj cov khoom muaj kev nyab xeeb kom pom tias cov tshuaj muaj kev nyab xeeb rau nws cov kev siv. Cov kev tshawb fawb no suav nrog kev tshuaj xyuas tshuaj lom, kev tshawb fawb ntawm cov metabolism hauv met, thiab muaj kev sib cuam tshuam.
Kev xa cov zaub mov ntxiv: cov chaw tsim khoom xa cov ntaub ntawv ntxiv (FAP) rau tus kheej, kev tsim cov ncauj lus kom zoo, kev tsim khoom, siv, thiab cov ntaub ntawv kev nyab xeeb ntawm cov khoom ntxiv. Daim ntawv foob yuav tsum muaj suav sau cov paib loried.
Kev Ntsuam Xyuas FDA: FDA ntsuas cov ntaub ntawv kev nyab xeeb muab rau kev txiav txim siab tias kev siv tau zoo rau nws cov kev npaj siab siv los ntawm tus neeg foob. Qhov kev tshuaj xyuas no suav nrog kev ntsuas ntawm cov kev pheej hmoo muaj peev xwm rau tib neeg kev noj qab haus huv, suav nrog cov qib kev tsis zoo thiab muaj kev paub tsis zoo.
Ntawv tshaj tawm txog cov kev cai npaj: Yog tias FDA txiav txim siab tias cov kev ntxiv muaj kev nyab xeeb, nws tshaj tawm cov kev thov uas muaj kev nyab xeeb rau cov khoom noj uas muaj ntxiv rau hauv cov zaub mov. Cov ntawv tshaj tawm no tso cai rau cov lus qhia pej xeem thiab cov lus qhia los ntawm cov neeg muaj feem.
Thaum Kawg Recemaking: Tom qab txiav txim siab cov lus qhia pej xeem thiab cov ntaub ntawv ntxiv, FDA cov cai ua tiav kev pom zoo lossis tsis lees paub kev ntxiv hauv cov zaub mov. Yog tias kev pom zoo, txoj cai kawg los tsim cov cai uas tau tso cai, suav nrog txhua qhov kev txwv, kev qhia tshwj xeeb, lossis sau npe cim.
Carboxymetylcelleculose thiab FDA pom zoo
Carboxymethylcellose muaj keeb kwm ntev los ntawm kev siv hauv kev lag luam khoom noj khoom haus thiab lwm cov haujlwm, thiab nws yog qhov kev nyab xeeb (gras) rau kev siv ua raws li cov kev tsim khoom zoo. FDA tau tshaj tawm cov kev cai tshwj xeeb thiab cov lus qhia tswj hwm kev siv CMC hauv cov khoom noj thiab cov khoom siv tshuaj.
FDA kev cai ntawm Carboxymethylcelleculose:
Cov zaub mov muaj ntxiv: Carboxymethylcelleculose hauv cov zaub mov uas muaj kev tso cai hauv tshooj 172.Code 8672, nrog rau cov kev cai tshwj xeeb uas tau hais rau nws cov khoom noj ntau yam khoom noj. Cov kev cai no qhia meej cov theem siab tshaj plaws ntawm CMC hauv cov khoom lag luam sib txawv thiab lwm yam yuav tsum tau ua.
Tshuaj Siv Tshuaj Siv: hauv cov tshuaj, CMC yog siv los ua cov khoom xyaw tsis ua haujlwm, thiab nws siv yog tswj hwm hauv qab FDA's rau kev tshuaj xyuas tshuaj yeeb thiab kev tshawb fawb (ntaus). Cov kws tsim khoom yuav tsum ua kom ntseeg tau tias CMC ua tau raws li cov lus qhia tshwj xeeb hauv Tebchaws Meskas Cov Tshuaj Tiv Thaiv (USP) lossis lwm yam Calendia.
Cov ntawv sau npe yuav tsum tau ua: Cov khoom muaj CMC ua ib qho khoom siv tau ua raws li daim ntawv lo, suav nrog cov npe muaj tseeb thiab cov ntawv sau ua tsis haum.
Carboxymetylcelleculose (CMC) yog qhov sib txuas dav dav nrog cov kev siv ntau yam hauv cov zaub mov, tshuaj, thiab kev tsim khoom lag luam. Nws cov khoom tshwj xeeb ua rau nws muaj txiaj ntsig ua cov tuab dua, stabilizer, emulsifier, thiab binder nyob rau ntau yam khoom. FDA plays lub luag haujlwm tseem ceeb hauv kev tswj hwm kev nyab xeeb thiab kev siv ntawm cov qauv kev nyab xeeb, kom tau pom zoo rau kev siv hauv cov neeg siv khoom lag luam. CMC muaj npe raws li cov zaub mov tso cai ntxiv los ntawm FDA, thiab nws siv yog tswj hwm tshwj xeeb thiab cov lus qhia ntawm tsoomfwv cov cai. Cov chaw tsim tshuaj paus thiab cov khoom lag luam uas muaj CLC yuav tsum ua raws li cov kev cai no, suav nrog kev siv kev nyab xeeb, thiab kev cai lij choj ntawm kev siv, txhawm rau kom muaj kev nyab xeeb thiab ua tau zoo ntawm lawv cov khoom.
Lub sij hawm ncua: Mar-22-2024