Iko yakachengeteka kune microwave plastiki - kunyange pasina BPA kana phthalates?
Tiri kurarama munyika yakazara nemakemikari. Vari mumvura yedu, mhepo yedu, ivhu redu-uye, semugumisiro, vari mumitumbi yedu.
Mamwe emakemikari anonyanya kutyisa mumashandisirwo ezuva nezuva ari mupurasitiki, zvinhu zvinowanzoitika zvinoumba hupenyu hwakawanda hwemazuva ano. Tingazvizarura sei kumakemikari ari epurasitiki, uye sei vakachengeteka?
Sezvo kana kuwedzera kune kuzvidya mwoyo, dzimwe nyanzvi dzinotya kuti patinopisa zvokudya mumapurasitiki mune microwave, tinowedzera zvakanyanya kufanana kwedu kune zvinogona kuva zvinokuvadza mumamwe plastiki.
Iko yakachengeteka kune microwave plastiki here?
Chii chiri muPurasitiki?
Hapana purasitiki imwe chete: Izwi rinotsanangura zvose kubva ku polyvinyl chloride (iyo kamuti mumataundi akachena ePVC) kuAlexander inoratidzira kuBakelite kamwechete yaishandiswa kugadzira tableware. Plastics inogona kugadzirwa yehupenyu kana inorganic chemical compounds.
Icho chinotyisa chepurasitiki chero ipi zvayo inoshanda yezviri mukati maro, uye yakasimba zvakadini. Sezvo mapurasitiki akawanda asingasviki mvura, ivo vakanyatsogadzikana uye mishonga inert.
Zvimwe zvinowedzera, zvisinei, zvinoratidzika pakati pevashandi vezvinodhaka sehutano hwehutano hwevanhu: Bisphenol-A, kana BPA, uye phthalates. BPA inowedzera kushandiswa kuita zvakaoma, plastiki yakajeka (yakadai seCD uye mabhodhoro emvura).
Maftareti, kune rumwe rutivi, anoshandiswa mumapurastiki kuti aite kuti anyoroke uye ave nemwoyo murefu (funga rubber duckies). Zvose BPA uye zvinopesana zvinotendwa nemasayendisiti akawanda kuti ave evhiringidzi ve endocrine - dzimwe nguva dzinonzi hormone disruptors.
Iyo hormone iyo BPA uye phthalates inowanzofungidzirwa kuvhiringidza isrogen. Zvave zvakabatanidzwa nekudisa mune imwe tsvakurudzo. Uye kuberekwa kwevarume kwakasununguka kune yakakwirira yeestrogen inogona kukura nematambudziko ekuberekwa kusanganisira hypoplasia (urethra yakasununguka).
Mumwe mushumo wakatoona kuti kana vanaamai vane huwandu hwakanyanya hwekurara kwepabonde muhutano hwavo, "vana vavo havakwanisi kutamba nevanhurume-zvinowanzoita matoyi nemitambo, zvakadai semamori uye kutamba kurwisana," maererano neScienceDaily.
BPA neHtthalates muZvika
Kunyange zvazvo BPA uye kupararira kunowanikwa kwose kwose - BPA iri mumabhuku akawanda emari mabhatri - kunyanya kwevanhu kunofungidzirwa kuti kunoitika kuburikidza nekudya. Zvimwe zvose zvinowedzera mapurasitiki zviri mune zvidyo zvezvokudya, zvimwe zvigadzirwa zvepurasitiki uye mumigero yezvokudya uye zvinwiwa.
Asi zvinotyisa sei idzi plastiki mumazuva ose? Havasi vose vanobvumirana panyaya iyi.
Nemhaka yekuti plastiki dzakawanda dzakagadzirirwa kuti dzigare dzakasimba, hazvirevi kuti kusangana kwega kwega nechingwa kana kunwa kunoita kuti kuwedzerwa kwakanyanya kweBPA kana kupopotera. Apo Kuchengetwa Kweimba Kwakanaka kwakaedzwa zvizhinji zvezvokudya zvepurasitiki zvinowedzera, yakawana kuti hapana imwe yei yaiva nemidziyo ye plastiki, kunyange mushure memasikirwe emhepo inopisa.
"Kazhinji kutaura, chero chikafu chamunotenga muchigadzirwa chepurasitiki chinotungamirirwa kuti chiise mu microwave chakaedzwa uye chinogamuchirwa kuti chishandise kuchengetedzwa," George Pauli, mutungamiri weScience nePurogiramu paDefA's Center for Food and Safety and Applied Nutrition, akaudza WebMD.
Zvichida zvinotarisirwa, webhanditi yeAmerican Plastics Council inoti, "Bisphenol A ndechimwe chezvinhu zvakanyatsoedzwa zvakashandiswa mazuva ano.Ukure kwehupupuri hwezvesayenzi kunonyatsotsigira kuchengetedzwa kweBPA uye kunopa husimbisi hwakasimba kuti hapana chikonzero chezvinhu zvehutano hwevanhu kubva pakatarisana neBPA. "
Saka Yakachengeteka kuMidhaveve Plastic?
Maererano naRolf Halden, mutungamiriri weCent for Environmental Security pa Biodesign Institute kuAria State University, zviyero zveBPA uye zvekare zvinopinda muzvokudya zvinoenderana nemhando yepurasitiki inoiswa mu microwave, nguva yakareba inopisa uye mamiriro ezvinhu.
Zvakare, zvigadzirwa zvepurasitiki, uye izvo zvinopisa kwenguva refu, zvinopisa njodzi huru, Halden akaudza Wall Street Journal.
Halden akacherechedzawo kuti mafuta ekudya akaoma mukamu uye bhotera haafaniri kunge akapisa mumapurasitiki. "Zvokudya zvakasviba zvinowedzera zvakawanda zvezvikemikari zvinokuvadza pazvinopisa," akadaro.
Nzira Yokudzivisa BPA neHtthalates muPuritiki
Nzira yekutanga uye yakanakisisa yekudzivirira phthalates uye BPA ndeyokushandisa zvidyo zvezvokudya zvisina makemikari aya: Girazi, simbi nezvimwe zvinogadzirwa zvinogara kwenguva refu uye, kana iri girazi, inowanzova microwave.
Vamwe vanhu - kusanganisira kutsvakurudza masayendisiti - kurega kusangana nemabhuku ekuregeresa mabhizimisi, sezvo mamwe emamwe aya anogadzirwa nemichina yekudhinda uye ine zvishamiso zvinoshamisa zveBPA.
Plastics iyo ine chiratidzo chekudzokorora "7" inowanzo ine mazinga akakwirira eBPA, uye mapurasitiki akaiswa nhamba yekudzokorora "3" inowanzove ine phthalates. Asi nokuti izvi zviratidzo hazvisati zvashandiswa kuratidza zvinowedzera mupurasitiki, hazvigoni kuvimbwa. (Hapana kubvumirana, somuenzaniso, kana "5" plastiki ine BPA.)
Kunyange zvazvo zvichida pasina chido chevanhu vazhinji kuti vaite zvakanyanyisa kuti vadzivirire mapurasitiki ose, zvinogona kunge zvakangwara kune vamwe vanhu, zvikurukuru vana vaduku nevakadzi vane makore anobereka vana.
Nemhaka yemigumisiro yeHodmone-kuvhiringidza makemikari inonyanya kutaurwa pakukura kwemucheche uye vana vaduku zvikuru, zvinonzwisisika kuita zvatinogona kuti tidzivirire vanhu vanotambura kubva pamigumisiro inogona kukuvadza yepurasitiki.