Ingabe kufanele ubheke amabhodlela amanzi angena-BPA esikhundleni salokho?
Ama-scare athi ayesakaza ukuthi ucwaningo lubonise ukuthi i-Lexan (i-Plastic # 7) namanye amabhodlela amanzi ahlanzekile we-polycarbonate namabhodlela ebantana ama-biskhenol ayingozi enobuhlungu A. Amasayithi omhlaba athi lokhu kungabangela umdlavuza ngisho nokukhuluphala. Ingabe lokhu kuyiqiniso?
Iningi locwaningo lubonisa ukuthi amabhodlela asePlastiki # 7 (Lexan, Nalgene, namanye ama-polycarbonates) awahambisani ne-bisphenol A emalini aboniswe ukuthi abangela ukukhathazeka kwezempilo kubantu.
Amabhodlela eLexan asetshenziswe njengama-bottles amanzi, amabhodlela okugcina kanye namabhodlela abantwana iminyaka eminingi. Ngemuva kokukhathazeka okukhulunywe ngabathengi, abakhiqizi abaningi baphendulela amapulasitiki abo ukuze baqede iBPA. I-FDA ibuyekeze izifundo ezingaphezu kuka-300 zesayensi futhi yaphela ekupheleni kuka-2014 ukuthi kwakungenalo ulwazi olufanele ludlulisele ukubuyekezwa kokuphepha kwe-FDA kwe-BPA ekupakheni kokudla ngaleso sikhathi.
Ingabe iBisphenol A Leach kusuka Bottles?
Ucwaningo oluthile lwafaka izikhumba zeLexan ezimweni ezinesihluku ukuze zibone ukuthi ngabe zizoqeda yini i-bisphenol A. Iningi locwaningo lithole ukuthi akukho ukukhishwa kwe-leaching okuncane okwakhiqizwa, ngaphansi kwezinga eliphansi lokuphepha. Ungase ukhathazeke ngokuthi izindinganiso azigcini ngokwanele, futhi noma yiliphi inani lizophela likulimaze.
Endabeni yamabhodlela omntwana, i-FDA iguqule imithethonqubo yayo ngoJulayi 2012 ukuba ingabe isasinikeza ukusetshenziswa kwama-rescar polycarbonate ase-BPA emabhodleleni abantwana kanye nezinkomishi ze-sippy.
Ngo-Julayi 2013, balungisa iziqondiso zabo ukuba bangasakwazi ukuhlinzeka ngokusetshenziswa kwe-respo epoxy resins njengengubo yokufaka emaphaketheni yefomula lesana. Kodwa isizathu salokhu akusilo ukutholakala kocwaningo, kodwa ukuthi abakhiqizi beyeke ukusebenzisa i-BPA ngalezi zindlela zemikhiqizo yabantwana nezingane ngenxa yokwesaba.
Okufanele Ukwenze Ngama-Plastic Cracked Plastic
Buyisela kabusha. Ngisho noma amakhemikhali ayengenawo emanzini, lezo ziqhekeko zingama-bacteria, isikhunta, kanye nokungcola okulula. Izindinganiso zokunakekelwa kokudla kufanele zilahle noma yikuphi okuqoshiwe noma okuphahliwe - amapuleti, amakagu, izibuko, amabhodlela. Kufanele wenze okufanayo ekhaya.
Amabhodlela Amanzi E-BPA
Yebo, amabhodlela amaningi amanzi awazange akhiwe nge polycarbonate. Izinkampani ezinjengeNalgene ziye zashintsha ipulasitiki yazo ngaphandle kwe-BPA. Bheka ukubhala okuvelele kwe- BPA-Free kumabhodlela amanzi njengethuluzi lokuthengisa.
Ama-Bottle Water Reusable angcono kuMvelo
Amabhodlela amanzi okuphuza amabhodlela kanye nezinye iziphuzo zokuphuza ziyindlela engafanele ukusetshenziswa kwemithombo yomhlaba, ngisho noma ivuselelwa kabusha. Ukusebenzisa ibhodlela lamanzi eliqinile, elivuselelekayo yindlela enhle kakhulu yokuthi abahambahambayo bajabule futhi babe nomusa emhlabeni.
Imithombo:
I-Bisphenol A (BPA): Sebenzisa ku-Food Contact Applications, i-US Food and Drug Administration, ebuyekeziwe ngo-02/25/2016.
Cagen SZ, Waechter JM Jr, Dimond SS, Breslin WJ, Butala JH, Jekat FW, Joiner RL, Shiotsuka RN, Veenstra GE, Harris LR. Ukuthuthukiswa kwendikimba evamile yokukhiqiza izitho emahakheni eWistar avuliwe ku-bisphenol A emanzini okuphuza. Regul Toxicol Pharmacol. 1999 Oct; 30 (2 Pt 1): 130-9.
INtfortfort KA, Kelly J, Jickells SM, Castle L. Ukuphenywa kokungcoliswa kwamabhodlela omntwana we-polycarbonate ngesikhathi sezinzalo bese kukhululwa i-bisphenol A.. Ukudla Addit Contam. 1997 Aug-Oct; 14 (6-7): 737-40.
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ukuhlanza u-FS nokunye. Indlela yokusekela umzimba ekutadisheni kwe-bisphenol A namanye amakhemikhali e-estrogenic ngobukhulu bezakhi zokubeletha, ukukhiqizwa kwamadoda nsuku zonke nokuziphatha. I-Toxicology neMpilo Yezezimboni 14: 239-260, 1998.