Methylparaben cov nyhuv ntawm daim tawv nqaij: kev tsom xam
Methylparaben, tseem hu ua methylparaben, yog ib qho tshuaj khaws cia dav siv hauv tshuaj pleev ib ce, zaub mov thiab tshuaj. Nws tau dhau los ua cov khoom tseem ceeb hauv ntau cov khoom vim nws cov khoom siv tshuaj tua kab mob zoo, tab sis qhov no tau ua rau muaj kev sib tham thiab tshawb fawb txog nws cov teebmeem ntawm daim tawv nqaij. Hauv daim ntawv no, peb yuav txheeb xyuas kom meej txog cov teebmeem tshwj xeeb ntawm methyl hydroxyphenyl ester ntawm daim tawv nqaij thiab sib tham txog nws daim ntawv thov hauv kev lag luam tshuaj pleev ib ce.
Cov Khoom Siv Tshuaj thiab Kev Siv Methylparaben
Methyl hydroxyphenyl ester yog methyl ester ntawm p-hydroxybenzoic acid, uas yog ib qho ntawm feem ntau siv paraben preservatives. Nws lub luag haujlwm tseem ceeb yog txhawm rau txuas lub txee lub neej ntawm cov khoom los ntawm inhibiting kev loj hlob ntawm cov kab mob, cov poov xab thiab pwm. Vim nws cov nqi qis thiab kev ua tau zoo, methylparaben tau dav ntxiv rau cov khoom tu tawv nqaij, tshuaj zawv plaub hau, tshuaj pleev thiab lwm yam khoom siv tu txhua hnub.
Cov teebmeem zoo ntawm Methylparaben rau ntawm daim tawv nqaij
Methylparaben cov tshuaj tiv thaiv tiv thaiv kab mob microbial nyob rau hauv cov khoom siv tshuaj pleev ib ce, yog li txo qhov kev pheej hmoo ntawm kev kis kab mob rau ntawm daim tawv nqaij. Cov khoom tsis muaj kab mob ua rau muaj kev nyab xeeb dua rau cov tawv nqaij, tshwj xeeb tshaj yog rau cov neeg uas muaj cov tawv nqaij rhiab heev, thiab kev siv cov khoom siv tshuaj tua kab mob tuaj yeem pab kom tsis txhob muaj teeb meem ntawm daim tawv nqaij los ntawm cov kab mob los yog pwm.
Vim tias qhov tsis tshua muaj siab ntawm Methylparaben siv (feem ntau tsawg dua 1%), nws tsis muaj qhov tsis zoo rau cov neeg feem coob ntawm cov tawv nqaij. Ntau qhov kev tshawb fawb tau pom tias methylparaben yog cov tawv nqaij qis ntawm kev siv tshuaj ntau thiab tsis ua rau cov tawv nqaij rhiab lossis lwm yam mob tshwm sim. Yog li ntawd, raws li ib txwm thiab dav pov thawj preservative, methylparaben muab ib tug degree ntawm kev ruaj ntseg khoom.
Muaj feem cuam tshuam tsis zoo ntawm methylparaben rau ntawm daim tawv nqaij
Txawm hais tias Methylparaben muaj kev nyab xeeb rau feem ntau ntawm cov pejxeem ntawm qhov tsis tshua muaj siab, tseem muaj qee qhov kev tshawb fawb thiab cov ntaub ntawv qhia tias nws yuav muaj qee qhov tsis zoo rau ntawm daim tawv nqaij. Kev siv sijhawm ntev ntawm cov khoom uas muaj methylparaben muaj peev xwm cuam tshuam rau ntawm daim tawv nqaij barrier muaj nuj nqi, tshwj xeeb tshaj yog rau cov neeg uas muaj cov tawv nqaij rhiab lossis twb puas lawm.
Methylparaben kuj tau raug liam tias muaj peev xwm ua rau tsis muaj zog estrogenic, thiab txawm hais tias qhov no tsis tau lees paub tias muaj kev pheej hmoo ncaj qha rau tib neeg kev noj qab haus huv raws li kev siv ib txwm, qee cov kws paub txog tawv nqaij pom zoo tias cov poj niam cev xeeb tub thiab cov neeg muaj kev pheej hmoo mob qog noj ntshav yuav tsum sim zam kev siv cov khoom uas muaj methylparaben mus ntev.
Yuav siv cov khoom uas muaj methylparaben li cas
Txhawm rau kom muaj kev noj qab haus huv thiab kev nyab xeeb ntawm daim tawv nqaij, cov neeg siv khoom yuav tsum tau ua tib zoo saib cov ntsiab lus hauv qab no thaum xaiv cov khoom uas muaj methylparaben: Xaiv cov npe loj lossis cov khoom muaj npe nrov, vim tias cov khoom no feem ntau muaj kev tswj xyuas cov khoom siv nruj dua thiab kev tshawb fawb. Ua tib zoo mloog cov lus qhia rau kev siv cov khoom kom tsis txhob siv ntau dhau lossis siv ntau zaus. Cov neeg uas muaj cov tawv nqaij rhiab heev yuav tsum xav txog lwm cov khoom siv tshuaj tiv thaiv uas muaj kev tsis haum tshuaj tsawg, lossis xaiv cov khoom tu tawv nqaij uas sau tias "dawb-dawb" lossis "naturally preserved".
Xaus
Cov nyhuv ntawm methylparaben rau ntawm daim tawv nqaij yog nyob ntawm qhov concentration siv thiab tus neeg mob ntawm daim tawv nqaij. Raws li ib tug ntev-tsim thiab dav siv preservative, Methylparaben muaj kev ruaj ntseg siv nyob rau hauv cov ntsiab lus teev thiab pab tiv thaiv cov khoom los ntawm microbial paug. Rau cov neeg uas muaj cov tawv nqaij rhiab heev los yog xav tau kev noj qab haus huv tshwj xeeb, nws yog qhov zoo los xaiv cov khoom uas muaj methylparaben ua tib zoo. Kev nkag siab txog cov teebmeem tshwj xeeb ntawm methylparaben ntawm daim tawv nqaij tuaj yeem pab cov neeg siv khoom paub ntau ntxiv hauv lawv cov kev tu tawv nqaij.