Unofanirwa kutarisa mabhodhoro emvura asina BPA pane here?
Nyaya dzinotyisa dzinopararira kuti tsvakurudzo yakaratidza kuti Lexan (Plastic # 7) uye mamwe mabhodhoro emvura akazara e polycarbonate uye mabhodhoro emucheche echeki inokisa bisphenol A. Nzvimbo dzekudenga dzinodaro izvi zvinogona kukonzera kenza uye kunyange kuneta. Icho ichokwadi here?
Zakawanda zvekutsvakurudza zvinoratidza kuti Plastic # 7 (Lexan, Nalgene, nemamwe ma polycarbonates) mabhodhoro haafaniri kuisa bisphenol A mumari inoratidza kuti inokonzera utano hwevanhu kuvanhu.
Lexan mabhodhoro ave achishandiswa semabhodhoro emvura, mabhodhoro ekuchengetedza uye mabhodhoro emwana kwemakore mazhinji. Mushure mokunge matambudziko akarerwa nevashambadzi, vazhinji vanogadziridza vakaronga mapurasitiki avo kuti vabvise BPA. Dhiyabhorosi akaongorora zvidzidzo zvesayenzi zvinodarika mazana matatu uye akapedzisa pakuwa kwa2014 kuti kwakanga kusina ruzivo runofanira kukurudzira kuongorora kwekuchengetedzwa kweBPA kuBPA panguva yekugadzira zvokudya panguva iyoyo.
Bisphenol A Leach muBhodhoro?
Zvimwe zvidzidzo zvakaisa mabhodhoro eLexan kumamiriro ezvinhu akashata kuti aone kana vaizoita chaizvo bhakphenol A. Zvakawanda zvekutsvakurudza zvakaona kuti hapana kuisa leaching yakawanda yakagadzirwa, kure nechepamusoro pekuchengeteka kwakachengeteka. Iwe unogona kunetseka kuti mitemo haisi yakakwana zvakakwana, uye chero chikamu chipi zvacho chichaguma kukukuvadza iwe.
Mune mhombodo yemabhodha emwana, FDA yakashandura mitemo yayo muna July 2012 kuti irege kuzogadzirisa kushandiswa kweBPA-based polycarbonate resin mumabhodha echeche uye midziyo yezinga.
Muna July 2013, vakagadzirisa mitemo yavo kuti vasachagadzirisa kushandiswa kweBPA-based epoxy resins sekupfekedzwa pakuputira rushana rwevana. Asi chikonzero cheizvi chakanga chisiri chekutsvaga kutsvakurudza, asi kuti vakugadziri vainge vasiya kushandisa BPA nenzira idzi kune zvecheche nevana nekuda kwekutya.
Chii Chingaita NeChipuka Plastic Bottles
Dzokororazve. Kunyangwe kana makemikari asiri kuisa mukati memvura, izvo zvinokonzera zvivako zvebhakitiriya, chimiro, uye tsvina chete. Zvokudya zvekudya zvinoda kurasikirwa chinhu chipi zvacho chakakumbwa kana chakakanganiswa - mahwendefa, makgesi, magirazi, mabhodhoro. Unofanira kuita zvakafanana kumba.
BPA-Free Water Bottles
Hungu, mabhodhoro akawanda emvura haana kumbobvira aitwa ne polycarbonate. Makambani akadai saNalgene akashandura plastiki yavo pasina BPA. Tsvaga mazita ekuremekedzwa kweBPA-Free pamabhodhoro emvura sechinhu chekutengesa.
Reusable Water Bottles Ndiyo Yakanakisisa kuMhepo
Mabhodhoro emvura akavhara mabhodhoro uye zvimwe zvinwiwa zvinwiwa kushandiswa kwakashata kwezvinhu zvepasi, kunyange zvakashandiswazve. Kushandisa mvura yakasimba, yakasvibira mvura yewaini ndiyo nzira yakanaka yevatambi kuti vaite zvakanaka uye vave nomutsa kunyika.
Sources:
Bisphenol A (BPA): Shandisa muKudya Kubatana Nezvikumbiro, US Food and Drug Administration, yakarongedzwa 02/25/2016.
Cagen SZ, Waechter JM Jr, Dimond SS, Breslin WJ, Butala JH, Jekat FW, Joiner RL, Shiotsuka RN, Veenstra GE, Harris LR. Chimiro chechimiro chekuberekwa kwemuviri muWistar rats dzakaiswa pachena ku bisphenol A mumvura yekunwa. Regul Toxicol Pharmacol. 1999 Oct; 30 (2 Pt 1): 130-9.
Mountfortfort KA, Kelly J, Jickells SM, Castle L. Tsvakurudzo mune kukanganisa kwemabhodhoro emabhodha e-polycarbonate panguva yekusvibisa nekusunungurwa kweBisphenol A.. Zvokudya Addit Contam. 1997 Aug-Oct; 14 (6-7): 737-40.
Onn Wong K, Woon Leo L, Leng Seah H. Kudyiswa kwezvokudya kwevana vaduku kuBisphenol A kubva kushandiswa kwemabhodhoro emucheka emucheka wemabhakari. Zvokudya Addit Contam. 2005 Mar 22 (3): 280-8.
rutsika Rwakashata FS nevamwe. A physiologically based approach pakuongorora bhaphenol A uye mamwe makemikari esrogenic maererano nekukura kwezvikamu zvekubereka, zuva rega rega, uye maitiro. Toxicology uye Industrial Health 14: 239-260, 1998.