Puas yog koj xav nrhiav BPA dej dawb xwb?
Cov khoom pov tseg yog cov kev tshawb fawb tau pom tias Lexan (Plag # 7) thiab lwm cov hwj yas fwj polycarbonate dej thiab me nyuam cov raj hwj chim toxic bisphenol A. Tej chaw hauv thaj tsam hais tias qhov no yuav ua rau muaj mob cancer thiab txawm tias rog. Qhov no puas muaj tseeb?
Cov kev tshawb fawb qhia tau hais tias Plastics # 7 (Lexan, Nalgene, thiab lwm yam polycarbonates) fwj tsis tau lej bisphenol A los ntawm cov nyiaj pov thawj ua rau tib neeg mob.
Lexan fwj tau siv los ua dej fwj, cia lub raj mis thiab me nyuam fwj ntau xyoo. Tom qab kev txhawj xeeb los ntawm cov neeg siv, feem ntau cov lag luam tsim kho lawv cov yas kom tshem tawm BPA. Lub FDA tau tshawb xyuas ntau tshaj 300 txoj kev tshawb fawb thiab xaus rau lub caij nplooj ntoos zeeg xyoo 2014 uas tsis muaj xov xwm uas yuav tsum rov qab kho dua ntawm FDA qhov kev soj ntsuam kev ruaj ntseg ntawm BPA hauv cov khoom noj khoom haus thaum lub sijhawm ntawd.
Puas Bisphenol Ib Leach ntawm Cov Raj?
Qee cov kev tshawb fawb Lexan fwj ua rau cov mob phem kom pom tseeb tias lawv yuav ua tau leem bisphenol A. Cov kev tshawb fawb tau pom tias tsis muaj qhov ua rau tsawg tshaj qhov kev tsim tawm, nyob deb ntawm cov qauv kev ruaj ntseg. Tej zaum koj yuav txhawj tias cov qauv tsis nruj txaus, thiab txhua qhov nyiaj yuav ua rau koj raug mob.
Yog tias tus me nyuam lam fwj, FDA hloov kho nws cov kev tswj hauv Lub Xya Hli 2012 kom tsis pub siv BPA raws li polycarbonate resins hauv cov mos hwj thiab cov khob dej khov mis.
Thaum lub Xya Hli 2013, lawv tau hloov kho lawv cov cai kom tsis pub siv BPA raws li epoxy resins ua cov coatings hauv ntim rau mis mos. Tab sis yog vim li cas qhov no tsis yog qhov tshawb pom kev tshawb pom, tab sis cov tuam txhab lag luam tau txiav txuas ntxiv siv BPA raws li cov kev cai rau cov me nyuam mos thiab me nyuam cov khoom vim kev ntshai.
Yuav ua li cas nrog Cracked yas raj
Cov khoom siv dua tshiab. Txawm hais tias tshuaj tsis leaching rau hauv dej, cov kab nrib pleb yog havens rau cov kab mob, pwm, thiab av dawb xwb. Cov kev cai noj zaub mov yog muab pov tseg txhua yam uas tawg lossis tawg - daim phiaj, cov ntawv pov thawj, tsom iav, lub fwj. Koj yuav tsum ua tib yam tom tsev.
BPA dej dawb fwj
Tau, ntau cov dej hwj tau ua tsis tau ntawm polycarbonate. Cov tuam txhab xws li Nalgene tau hloov lawv cov yas tsis yog BPA. Tshawb nrhiav cov npe tshwj xeeb ntawm BPA-Dawb ntawm dej hwj ua ib qho cuab yeej lag luam.
Cov Dej Dej Reusable Reinable for Environment
Cov fwj dej uas siv fwj dej hauv hwj thiab lwm cov thawv ntim cia yog siv tsis zoo hauv lub ntiaj teb cov khoom siv, txawm tias siv dua. Siv lub raj mis uas ruaj khov, rov qab fwj dej yog ib txoj hau kev zoo rau cov neeg taug kev los ua neeg nyiam thiab ua siab zoo rau lub ntiaj teb.
Qhov chaw:
Bisphenol A (BPA): Siv Daim Ntawv Sau Ua Zaub Mov Kev Noj Qab Haus Huv, US Food and Drug Administration, tshiab 02/25/2016.
Cagen SZ, Waechter JM Jr, Dimond SS, Breslin WJ, Butala JH, Jekat FW, Joiner RL, Shiotsuka RN, Veenstra GE, Harris LR. Txoj kev loj hlob hauv kev loj hlob hauv Wistar nas paug tshwm sim rau bisphenol A hauv dej haus. Regul Toxicol Pharmacol. 1999 Oct; 30 (2 Pt 1): 130-9.
Mountfort KA, Kelly J, Jickells SM, Tsev fuabtais L. Cov kev soj ntsuam rau hauv kev muaj peev xwm degradation ntawm polycarbonate tus menyuam lub raj mis thaum lub cev kom tsis muaj menyuam nrog kev tso tawm ntawm bisphenol A. Khoom Noj Khoom Haus Ntxiv. 1997 Aug-Oct; 14 (6-7): 737-40.
On Wong K, Woon Leo L, Leng Seah H. Kev soj ntsuam kev noj haus ntawm cov me nyuam mos mus rau bisphenol Ib tug los ntawm kev siv ntawm niam qab cov mis nyuj fwj. Khoom Noj Khoom Haus Ntxiv. 2005 Mar; 22 (3): 280-8.
vom Saal FS thiab lwm tus. Ib tug physiologically based mus rau txoj kev tshawb ntawm bisphenol A thiab lwm cov tshuaj estrogenic rau qhov loj me ntawm cov tsev me nyuam plab hnyuv siab raum, txhua hnub phev ntau lawm, thiab tus cwj pwm. Toxicology thiab Industrial Health 14: 239-260, 1998.