Carboxymetylcelleculose (CMC) yog suav tias yog muaj kev nyab xeeb rau kev siv hauv ntau cov khoom noj thiab cov chaw muag tshuaj thiab cov chaw muag tshuaj, qhov twg nws tau ua haujlwm ntau yam. Cov dej-soluble cellulose derivative tau undegone nruj kev sim thiab ntsuas kom ntseeg tau tias nws muaj kev nyab xeeb rau tib neeg kev noj qab haus huv thiab ib puag ncig. Hauv qhov kev sib tham zoo kawg nkaus, peb tshem tawm mus rau hauv kev nyab xeeb carboxymelylcelleculose, kev txiav txim siab txog kev noj qab haus huv, ib puag ncig kev txiav txim siab, thiab cov kev tshawb fawb kev tshawb fawb, thiab cov kev tshawb fawb muaj feem xyuam.
Kev cai tswj hwm:
Carboxymethylcellulose tau pom zoo rau kev siv los ntawm cov cai tswj hwm thoob ntiaj teb. Nyob rau hauv Tebchaws Asmeskas, Chaw Tswj Xyuas Khoom Noj thiab Tshuaj Kho Mob (FDA) Tsim CMC raws li qhov kev nyab xeeb (Gras) cov tshuaj thaum siv raws li kev ua haujlwm zoo. Ib yam li ntawd, European cov cai nyiaj txiag nyab xeeb (EFSA) tau ntsuas CMC thiab tsim cov txiaj ntsig txhua hnub (ADI) qhov tseem ceeb, lees paub nws qhov kev nyab xeeb rau kev noj.
Hauv chaw tshuaj thiab cov tshuaj pleev ib ce, CMC tau siv dav, thiab nws txoj kev nyab xeeb yog tsim los ntawm kev ua raws li cov lus qhia. Nws ua raws nrog cov qauv tshuaj ntawm tes dej, kom ntseeg tau tias nws txoj kev haum rau kev siv hauv cov tshuaj yeeb yaj kiab.
Kev Nyab Xeeb Hauv Cov Khoom Noj:
1. Kev kawm txuj ci:
Cov kev tshawb fawb dav dav tau raug ua los ntsuas kev nyab xeeb ntawm CMC. Cov kev tshawb fawb no suav nrog kev saib xyuas cov mob hnyav thiab kev ua phem, mutagenicity, carcinogenicity, thiab kev ua me nyuam thiab kev txhim kho toxicity. Cov txiaj ntsig tau ua ntu zus kev nyab xeeb ntawm CMC nyob rau hauv tsim cov kev pab siv.
2. Cov khoom siv tau txhua hnub (ADI):
Kev tswj hwm lub cev teeb tsa Adi tsim nyog los tsim cov nyiaj ntawm cov tshuaj uas tuaj yeem noj txhua hnub tsis muaj kev pheej hmoo mob nkeeg nyob hauv lub neej tsis muaj kev pheej hmoo mob. CMC muaj ib qho tsim Adi, thiab nws siv hauv cov khoom noj khoom noj tau zoo hauv qab cov theem uas yog kev nyab xeeb.
3. Allergenicity:
CMC yog feem ntau suav hais tias yog tsis muaj kev ua xua. Ua xua rau CMC muaj tsawg heev, ua nws cov khoom haum haum rau cov tib neeg nrog ntau cov kev nkag siab.
4. Digestibility:
CMC tsis tau zom lossis nqus tau hauv tib neeg txoj hnyuv. Nws hla dhau ntawm lub plab zom mov tsis hloov pauv, pab txhawb rau nws cov ntaub ntawv kev nyab xeeb.
Kev nyab xeeb hauv Pharm Pirections thiab tshuaj pleev ib ce:
1. Biocompatibility:
Hauv cov kws ua lag luam thiab kev hnav khaub ncaws zoo nkauj, CMC yog muaj nuj nqis rau nws biocompatibility. Nws yog qhov zoo-zam los ntawm cov tawv nqaij thiab cov ntaub nyias nyias nyias, ua rau nws siv nyob rau hauv ntau cov ntawv thov thiab qhov ncauj.
2. Stability:
CMC pab txhawb rau kev ruaj ntseg ntawm cov tshuaj yeeb yaj kiab, pab tswj hwm kev ncaj ncees thiab cov tshuaj. Nws siv yog thoob nruab nrab ntawm kev ncua, uas nws pab hauv kev tiv thaiv kev tiv thaiv kev tawm ntawm cov khoom.
3. Ophthtalmic Daim Ntawv Thov:
CMC yog ib txwm siv hauv ophthalmic daws thiab qhov muag poob vim nws lub peev xwm los nce viscular ua kom muaj zog, thiab txhim kho kev kho cov txiaj ntsig ntawm cov qauv. Nws muaj kev nyab xeeb hauv cov ntawv thov no tau txais kev txhawb nqa los ntawm nws cov keeb kwm ntev ntawm kev siv.
Kev txiav txim siab ib puag ncig:
1. Biodegradentab:
Carboxymetylcellulose tau muab tau los ntawm cov chaw muaj xyoob ntoo thiab yog biodegradable. Nws undergoes decomposition los ntawm cov kab mob me hauv ib puag ncig, pab txhawb nws cov ntaub ntawv eco.
2. AQUATY TOXICITY:
Kev tshawb fawb soj ntsuam cov tshuaj lom neeg ua rau toxicity ntawm CMC tau feem ntau qhia cov tshuaj lom tsawg rau cov tsiaj muaj sia. Nws siv nyob rau hauv cov dej-raws li cov qauv, xws li cov xim av thiab xab npum, tsis cuam tshuam nrog kev phom sij ib puag ncig.
Kev Tshawb Nrhiav Tshawb Nrhiav thiab cov qauv tshiab:
1. Kev ua kom huv si
Raws li qhov kev thov kom muaj kev cia siab thiab ib puag ncig phooj ywg loj hlob, muaj cov paj laum ntxiv rau hauv cov ntaub ntawv raw rau cmc. Kev tshawb fawb yog tsom rau kev xaiv cov txheej txheem thiab tshawb xyuas cov txheej txheem lwm yam.
2. Nanocellulose applications:
Kev tshawb fawb txuas ntxiv yog tshawb xyuas kev siv Nanocellulose, muab tau los ntawm cellulose cov chaw suav nrog cmc, hauv ntau yam kev siv. Nanocellulose cov khoom pov thawj muaj txiaj ntsig zoo thiab yuav pom cov ntawv thov hauv cov liaj teb xws li Nanotechnology thiab Biomedical kev tshawb fawb.
Xaus:
Carboxymethylcellulose, nrog nws cov khoom muaj kev nyab xeeb tsim muaj nyob hauv ntau yam khoom lag luam, suav nrog cov khoom noj, cov chaw muag tshuaj, cov tshuaj pleev ib ce, thiab ntau dua. Kev cai tswj kev pom zoo, cov kev tshawb fawb dav dav, thiab keeb kwm ntawm kev siv kev nyab xeeb lees paub tias muaj ntau cov kev siv. Raws li kev lag luam txuas ntxiv hloov zuj zus, cov ntaub ntawv kev nyab xeeb thiab kev nyab xeeb ntawm cov kev txiav txim siab, thiab Carboxymelylcellulose nrog cov ncauj ke no.
Thaum CMC yog feem ntau suav tias yog kev nyab xeeb, cov tib neeg uas muaj kev fab tshuaj tshwj xeeb lossis cov kws tshaj lij yog tswj hwm yog tias lawv muaj kev txhawj xeeb txog nws siv. Raws li kev tshawb fawb txog kev tshawb fawb thiab cov ntawv thov tshiab muaj, cov neeg lag luam yuav xyuas kom meej tias CMC tseem ua tau raws li cov qauv kev nyab xeeb tshaj plaws ntawm kev nyab xeeb thiab kev ua tau zoo. Hauv cov ntsiab lus, Carboxymethylcellose yog qhov muaj kev nyab xeeb thiab cov khoom lag luam muaj txiaj ntsig, ua cov kev ua haujlwm tseem ceeb hauv kev sib tw thoob ntiaj teb.
Lub Sijhawm Post: Jan-04-2024