Ngaba ukhe uzibuze malunga nokukhuseleka kweeplasitiki ezisetyenziswa kwipakethi yakho yokutya? I-BPA, okanye i-bisphenol a, yindawo yemichiza ehlala ifumaneka kwiimveliso ezininzi zeplastiki. Kwiminyaka yakutshanje, iinkxalabo zikhuliswe malunga nemingcipheko yempilo enxulumene nokuvezwa kwe-BPA.
Ukuqonda ukuba yi-BPA kunye nendlela enokuthi ichaphazele ngayo ukhetho lwakho lokupakisha kubaluleke kakhulu kubo bobabini abathengi kunye nabavelisi ngokufanayo. Kule thuba, siza kuphonononga imiba ephambili ye-BPA, kubandakanya nokusetyenziswa kwayo kwizinto zokupakisha, iimpembelelo zempilo ezinokubakho, kunye nezinye iindlela zokuqwalaselwa.
Yintoni i-BPA?
Imela ntoni i-BPA?
I-BPA imele i-bisphenol A. Yinxalenye yemichiza esetyenziselwa ukuveliswa kweeplasitiki kunye nokubuya. Le meko yokwenziwa yaziwa ngokuba ngamandla ayo okuqinisa kunye nokomeleza izixhobo.
Iipropathi zeekhemikhali ze-BPA
BPA yindawo ye-organic. Inamaqela amabini e-phenol, eyenza ibe yinxalenye ye-diphantlmethane. Ezi ndawo zepropathi zinika i-BPA yesakhono sokudala i-plastics eyomeleleyo, ezomeleleyo zokuhlala kunye ne-epoxy esebenzayo.
Ukusetyenziswa kwembali kunye nophuhliso lwe-BPA kwizicelo zemizi-mveliso
i-BPA yayiqala ukwenziwa ngo-1891 nge-cheskmist yaseRussia Aleksandr Diain. Nangona kunjalo, ukusetyenziswa kwemveliso yaqala kwiminyaka yoo-1950. I-BPA yasetyenziswa kwimveliso ye-epoxy resins kunye ne-polycarbonate plastics. Ezi zixhobo zifumene izicelo ezixhaphakileyo ngenxa yokuqina nokucaca. Ngeminyaka yee-1960s, i-BPA yaba yinxalenye esemgangathweni kwiimveliso ezahlukeneyo zabathengi.
Ukusetyenziswa okuqhelekileyo kwe-BPA
I-polycarbonate plallybontec
plalycarbontee, eyenziwe nge-BPA, yaziwa ngamandla abo kunye nokungafihli. Ezi plastics zisetyenziswa kwiimveliso ezininzi ezinje ngeebhotile zamanzi, iibhotile zomntwana zeplastiki, kunye neziqulatho zokutya. Zikwasetyenziswa kwimveliso yeeglasi zokhuseleko kunye neelensi zokukhetha.
I-Epoxy iphinda isebenze
i-Epoxy Resoxy equlethe i-BPA isetyenziswa njengengubo yokukhusela. Zihlala ziyifumana i-linelane ngaphakathi kokutya kunye ne-cans. I-Epoxy iphinda ithintele i-corrosion kunye nongcoliseko, lwandisa ubomi beemveliso zemveliso. Zikwasetyenziswa nakwiityholo zamazinyo kunye nemibhele.
Iimveliso eziqhelekileyo eziqukethe i-BPA
yezinto ezininzi zemihla ngemihla zine-BPA ngenxa yeepropathi zayo eziguquguqukayo:
Iibhotile zamanzi ezemidlalo : zomelele kwaye ungaxhathisi kwiimpembelelo.
Iibhotile zobuntwana kunye neekomityi ze-sippy : zenziwe ngokwembali nge-BPA ukuze isebenze kunye nokucaca.
Imibhobho yamanzi : Ukomelela kukaBPA kuyenza ilungele ukusetyenziswa kwezinto zokwenza izinto.
Izityholo zamazinyo : ezisetyenziselwa unyango lwamazinyo ukukhusela amazinyo ukubola.
I-BPA kwiplastiki kunye nokupakisha
Iibhotile zeplastiki kunye neziqulatho ze
-BPA zixhaphake kwiimveliso ezininzi zeplastiki. Iibhotile zamanzi kunye nezikhongozeli zokutya zihlala zine-BPA. Ikhemikhali inceda ukugcina ingqibelelo kunye nobomi obungaqhelekanga kwezi mveliso.
Izixhobo zokupakisha ukutya
i-BPA isetyenziswa kwiphakheji yokutya ukuqinisekisa ukhuseleko lwemveliso. Ithintela ungcoliseko kwaye igcina umgangatho wokutya. Nangona kunjalo, i-BPA inokukhupha ukutya kunye neziselo, ukufaka umngcipheko kwimpilo. Le nkxalabo ikhokelele ekunyukeni kwezinye iindlela zeBPA.
Ukuchonga i-BPA ekupakisheni
Ungayiqonda njani i-BPA-iqulathe iiplasitiki
Iikhowudi zokuphinda zisebenze kunye neempawu
zokuqonda kwakhona iikhowudi zokurisayikilisha kubalulekile ekuchongeni i-BPA-equkethe iplastiki. Into nganye yeplasitiki ibhalwe kwikhowudi yokuphinda isebenze, ihlala ifumaneka ezantsi kwemveliso. Nazi iikhowudi eziphambili ukuba zijonge:
Iiplasitiki zibhalwe nge-code 1, 2, 5, okanye i-6 : ezi ziqwalaselwa ngokubanzi. Ungazisebenzisa ngokukhuselekileyo ezi zinto zokutya kunye nokugcina isiselo.
Iiplasitiki zibhalwe ngeekhowudi 3 kunye ne-7 : ezi zinokuqulatha i-BPA ngaphandle kokuba iphawulwe ngenye indlela. Lumka xa usebenzisa ezi plastice, ngakumbi ekunxibelelaneni nokutya.
Ileyibhile ye-BPAIng kunye
nabavelisi bezezitifikethi eziqinisekisiweyo ziya kuphinda ilebhelisha iimveliso zabo njenge-BPA-free. Jonga iilebheli okanye iisimboli ezibonisa 'BPA-Free ' kwiphakeji. Ezi zilebheli zibonelela nge-prosarive ukuba imveliso ayiqukeli i-BPA. I-ratical ihlolisise idla ngokubandakanya ulwazi lwasimahla lwe-BPA kwiiwebhusayithi zabo okanye amaphepha emveliso.
Iingcebiso zokuchonga iimveliso ze-BPA-zasimahla kwiivenkile
xa ziyokuthenga, zilandele ezi cebiso ukufumana iimveliso zeBPA:
Jonga iikhowudi zokurisayikilisha : Khusela iiplasitiki ezinenziwe ngeekhowudi 3 kunye ne-7 ngaphandle kokuba ziphawulwe i-BPA-free.
Khangela iilebheli ezifumanekayo zeBPA : iimveliso ezininzi zikarhulumente ngokucacileyo ziyi-BPA-Free.
Phanda i-Brand : Abavelisi abathembekileyo badla ngokubonelela ngolwazi oluneenkcukacha malunga neemveliso zabo zasimahla kwi-Intanethi.
Qwalasela ezinye iindlela : Khetha iglasi okanye izikhongozeli zentsimbi ezingenasitali xa kunokwenzeka, njengoko ezi zixhobo zingaqokeleli i-BPA.
Imizekelo yeemveliso zeBPA
Uluhlu oluneenkcukacha lweemveliso ezinokuqulatha i-BPA
BPA isetyenziswe ngokubanzi kumashishini ahlukeneyo ngenxa yokuqina kunye nokusebenza kwayo. Nazi ezinye zeemveliso eziqhelekileyo ezinokuba ne-BPA:
Ukupakishwa kokutya : Ukutya okuncinci, izikhongozeli zokutya zeplastiki, kunye neebhotile zamanzi zihlala zine-BPA.
Iimveliso zezempilo kunye nobuhle : Ezinye iibhotile ze-lotion, izikhongozeli ze-shampoo, kunye nokupakishwa kwendlela ezinokuqulatha i-BPA.
Ukusetyenziswa kweMizi-mveliso : I-BPA isetyenziswa ekuvelisweni kwemibhobho yamanzi kunye neentlobo zezixhobo zokufaka.
Imizekelo ethile evela kumashishini ahlukeneyo
Ukupakisha ukutya : Iimpahla ezininzi ezinamachaphaza zine-epoxy resin linings eziqukethe i-BPA. Oku kubandakanya izinto ezifana nesups, imifuno, kunye neziselo.
Impilo kunye nobuhle : I-BPA ifumaneka kwizitya zeplastiki ze-outs, i-shampoos, kunye nezinye iimveliso zononophelo zobuqu.
Izicelo zeMizi-mveliso : I-BPA isetyenziswa kwimveliso yamacandelo eplasitine eqinileyo, enjengombhobho wamanzi kunye nemveliso yokukhusela.
Inkxalabo yezeMpilo inxulunyaniswa ne-BPA
Imingcipheko yezempilo ngokubanzi
Isishwankathelo semicimbi yezempilo enxibelelene ne-BPA yokuvezwa kwe
-BPA idityaniswe kwiingxaki zempilo ezahlukeneyo. Le filrogec slimiges estrogen, iphazamisa imisebenzi yesiqhelo yehormonial. Inokuba neempembelelo kwiinkqubo ezininzi emzimbeni, ezikhokelela kwinkxalabo yezempilo enzulu.
I-BPA ye-BPA ingena ekutyeni kwaye iziselo ze
-BPA zingakwazi ukukhupha ukutya neziselo ezivela kwizitya. Oku kuyinto eqhelekileyo ngeebhotile zamanzi kunye neziqulatho zokutya. Ukufudumeza ngezi zikhongozeli kunyusa i-BPA. Xa i-BPA ingcolisa ukutya, ikhokelela ekungenisweni nasekufumaneni, ukubeka umngcipheko obalulekileyo wempilo.
Iziphumo ezithile zeMpilo
Ukuphazamiseka kwe-Hormonial (ukulingisa i-estrogen)
BPA njengomphazamisi we-endocrine. Iyabopha ii-receptors ze-estrogen, zishukumisa imiphumo ye-hormone. Oku kunokukhokelela ekungalingani kwe-Hormonal kwaye kuphazamisa imisebenzi eqhelekileyo yomzimba.
Impembelelo ekuchumeni kwamadoda nabafazi
i-BPA ichaphazela ukuchuma kumadoda nabafazi. Kumadoda, inokuthoba amanqanaba e-testosterone kwaye inciphise umgangatho wesidoda. Kwabafazi, i-BPA inokuphazamisa amanqanaba e-hormone, echaphazela umgangatho weqanda kunye nokufakwa kwempahla. Olu tshintsho lunokukhokelela ekunciphiseni ukuchuma kunye neengxaki zokukhulelwa.
Unxibelelwano lokutyeba, isifo sentliziyo, kwaye uchwethe-2 isifo seswekile
idityaniswe nokutyeba kakhulu kunye neMetabolic. Inokuphazamisa indlela umzimba olawula ubunzima kunye nokugcinwa kwamafutha. Ukuvezwa kwe-BPA kunxulunyaniswa nomngcipheko owandayo wesifo sentliziyo kunye nohlobo lwesifo seswekile 2. Impembelelo yekhemikhali kumanqanaba e-hormone kunye nemetabolism inokuba negalelo kwezi meko.
Izifundo zoncedo olunokubakho lomhlaza
zibonisa ikhonkco phakathi kwe-BPA kunye nomhlaza othile. I-BPA inganyusa umngcipheko wesifuba, i-prostate, kunye nomhlaza we-ovari. Inokuphembelela ukukhula kweseli nophuhliso, kukhokelela kwiinguqu zomhlaza.
Iziphumo zoPhuculo lweLindle kunye neMpilo ye
-BPA ye-BPA yobuntwana ziyingozi kakhulu ekuhlaleni izisa nabantwana. Ingawela i-qaba yeplaceta kwaye ichaphazele ukukhula. Ukuvezwa kwe-BPA kwi-uutro kuyahambelana neengxaki zophuhliso kunye nemicimbi yezempilo kamva ebomini. Abantwana abatyhilwe kwi-BPA banokujamelana nemingcipheko eyandayo yokutyeba, ukuphazamiseka kwe-metabolic, kunye nokungalingani kwe-homonial.
I-BPA yokutya kunye nokufakwa kwesiselo
Isizathu sokuba i-BPA isetyenziswa kwipakethi yokutya
Izibonelelo ze-BPA ekupakisheni
isetyenziswe ngokubanzi kwiphakeji yokutya ngenxa yepropathi yayo efanelekileyo. Inika ukuqina kunye nokuchasana nokwaphula , yenze ukuba ilungele izikhongozeli ezifuna ukujamelana nokuphathwa gadalala. I-BPA inegalelo ekucacisweni kweeplastiki, ezibaluleke kakhulu kwiimveliso ezinjengeebhotile zamanzi kunye nezitya zokutya.
Ukuqina : I-BPA inceda ukudala izikhongozeli zeplastiki eziqinisekileyo zeplastiki.
Ukuxhathisa ukuqhekeza : Iimveliso eziqulathwe yi-BPA zincinci ukuba zenziwe okanye zaphule.
Ukucaca : I-BPA inegalelo kwiinkangeleko ezibonakalayo zezinto ezininzi zeplastiki.
Izinto eziqhelekileyo zokufaka ukutya eziqukethe i-BPA
BPA ifumaneka kwizinto ezahlukeneyo zokutya. Oku kubandakanya:
Ukutya kwe-Watty : I-BPA isetyenziswa kwi-lineng ye-tins yentsimbi yokuthintela i-corrosion kunye nongcoliseko.
Izikhongozelo zeplastiki : Izikhongozelo ezininzi zokugcina kunye neebhotile zeplastiki zine-BPA.
Ibhotile Lines : Iibhotile zokusana kunye neekomityi ze-sippy zihlala zine-BPA ukuqinisekisa ukuba ziyahlala kwaye zicacile.
Imigaqo ye-FDA kunye ne-stance kwi-BPA
Isishwankathelo semigaqo ye-FDA kwi-BPA yokusetyenziswa kwe
-FDA ihlolisile ukhuseleko lwe-BPA. Bachaza ukuba amanqanaba akho e-BPA kwiphakethe yokutya akhuselekile kubathengi. Nangona kunjalo, izinto ezixhalabisayo malunga nokuvezwa kwe-BPA, ngakumbi kwiintsana nabantwana abancinci, zikhokelele kwiinguqu zolawulo.
Utshintsho lwamva nje kunye nophando oluqhubekayo
ngo-2012, i-FDA ivalwe i-BPA kwiibhotile zomntwana kunye neekomityi ze-sippy ngenxa yokuba semngciphekweni kwiintsana ziye kwi-BPA. Uphando oluqhubekayo luyaqhubeka nokuvavanya umngcipheko wezempilo we-BPA. Olunye uphando lubonisa ukuba amanqanaba asezantsi e-BPA anokuba yingozi, ekhokelela ekufumaneni imigaqo-nkqubo.
Ukuthelekisa kwemigaqo kumazwe awahlukeneyo
amazwe ahlukeneyo anemilinganiselo eyahlukeneyo kwi-BPA. Ngelixa i-FDA igcina ukuba i-BPA yamanqanaba e-BPA ekusetyenzisweni okwangoku ikhuselekile, i-European Union ithathe indlela yokuthintela, ivale i-BPA kwiibhotile zomntwana kunye nokunciphisa amanqanaba avumelekileyo kwezinye izixhobo zonxibelelwano zokutya. ICanada ichaze i-BPA iyinto enetyhefu kwaye ivinjelwe ukusetyenziswa kwayo kwiibhotile zomntwana.
Ezinye iindlela ze-BPA ekupakisheni
I-BPA-Free Plastics
Abavelisi abangabekwanga abathengi be-BPA abaqhelekileyo
baphuhlise indawo ye-BPA ukuya kwenza iplastiki yeBPA. Ezinye iindlela eziqhelekileyo zibandakanya i-BPS (i-bisphenol s) kunye ne-bpf (i-bisphenol f). Ezi zinto zibambeleyo zisetyenziswa kwiimveliso ezahlukeneyo ukuze zigcine ukuqina ngaphandle komxholo we-BPA.
I-Prosfres kunye ne-Plastics yePlastics
BPA-Free IPlastics ithengisiwe njengezinye iindlela ezikhuselekileyo. Banika izibonelelo ezifanayo kwi-BPA, njengamandla kunye nokungafihli. Nangona kunjalo, kukho inkxalabo malunga nokhuseleko lwabo kunye nempumelelo.
Pros :
I-Conness :
I-BPS kunye ne-BPF ineendlela ezifanayo zemichiza kwi-BPA.
Imingcipheko yezempilo enokubakho isenokubakho nakwezi zinto zibambeleyo.
Uphando olulinganiselweyo ngoKhuseleko lwexesha elide lwe-BPS kunye ne-BPF.
Iinkxalabo zokhuseleko kunye neendlela ze-BPA
nangona iplastiki zeBPAICS inyathelo lokuya phambili, zisenokungabi sengozini ngokupheleleyo. Uphando oluvela kwi-BPS kunye ne-BPF lunokulinganisa i-estrogen kwaye iphazamise imisebenzi yehormonial. Oku kukhokelele kwiimpikiswano eziqhubekayo malunga nokhuseleko lwabo.
Ezinye iindlela zeplasitiki
Iglasi yeglasi yeglasi
yindlela ethandwayo yeplastiki. Kuyandihlala, iyafumaneka, kwaye ikhululekile kwi-BPA nakwezinye iichemicals eziyingozi. Izikhongozeli zeglasi zilungele ukutya neziselo.
Intsimbi yentsimbi engenasitayile
ye-stainess yenzuzo yenye enye indlela ekhuselekileyo. Isetyenziswa kwiibhotile zamanzi, izikhongozelo zokutya, kunye neebhotile zomntwana. Intsimbi engenasimo iqine, ayifundisi iikhemikhali, kwaye kulula ukuyicoca.
Izixhobo zekhadibhodi kunye nezinto ezinokusetyenziswa ze-biodegraday
abo bafuna ukhetho lwe-eco-Gost, iikhadibhodi kunye nezinto ezinokusetyenziswa kwe-biodegraphing zikhetho olukhulu. Ezi zixhobo zisetyenziswa ngokutsha kwiphakeji yokutya kwaye zinikezele kwenye indlela ezinzileyo kwiplasitiki. Bakhuselekile ekunxibelelaneni kokutya kwaye banceda ukunciphisa ifuthe lokusingqongileyo.
Iingcebiso zokunciphisa ukuvezwa kwe-BPA
Ingcebiso eSebenzayo kubathengi
abathengi banokuthatha amanyathelo amaninzi ukunciphisa umda kwi-BPA:
Kulumkele ukufudumeza iiplasitiki : i-BPA le dolophili ngakumbi xa kukhathazeka iplastiki. Sebenzisa iglasi okanye intsimbi engenanto yokutya okushushu kunye neziselo.
Jonga iikhowudi zokurisayikilisha : Khetha iimveliso ezibhalwe njengeekhowudi zokurisayikilisha 1, 2, 4, 5, okanye 6.
Khetha iimveliso zasimahla zeBPA : Khangela iilebheli ezibonisa i-BPA-free kwizikhongozeli zokutya kunye neebhotile zamanzi.
Iingcebiso zokwenza izinto ezikhuselekileyo
zokwenza izinto zokuqhubela phambili ukunciphisa ukuvezwa kwe-BPA, qwalasela le ndlela yokuqhubela phambili ukuqhubela phambili:
Iglasi okanye iibhotile zamanzi zentsimbi ezingenalo : Ezi ziyi-BPA-free kwaye azifundisi iikhemikhali.
I-BPA-Free Plastics : Ukuba ukhetha iplastiki, qiniseka ukuba ibizwa ngokuba yi-BPA-Free.
Sebenzisa ezinye iindlela : Khetha izixhobo zekhadibhodi okanye izixhobo ze-biodegradas zokupakisha xa zikhona.
Ukwenza ukhetho olunolwazi malunga nokupakisha kunokukunciphisa kakhulu ukuvezwa kwakho kwi-BPA nezinye iichemicals ezinobungozi. Ngokukhetha ezinye iindlela ezisimahla ze-BPA kunye neplanethi, unokuqinisekisa ukugcina ukutya okukhuselekileyo kwaye ube negalelo kwindlela yokuphila esempilweni.
Isishwankathelo
Kweli nqaku, sihlolisisa ukuba ingaba yi-BPA kunye nefuthe layo ekupakisheni. Sixoxile ukusetyenziswa kwe-BPA kwiiplasitikhi kwaye siphinde sisebenze, imingcipheko yempilo, kunye neemveliso eziqhelekileyo eziqukethe i-BPA. Sijonge kwakhona imigaqo ye-FDA kunye nezinye iindlela ezikhuselekileyo njengeplastiki zeBPA, iglasi, kunye nentsimbi engenasibala.
Ukuqonda i-BPA inceda abathengi benze izigqibo ezinolwazi malunga nokupakisha. Ukukhetha ukhetho lwe-BPA kunye nokuzinzileyo kunokunciphisa umngcipheko kwimpilo kunye nefuthe lokusingqongileyo.
I-U-NUO yephakethi yonke indawo yeplastiki yenziwa kusetyenziswa iplasitiki ye-BPA-Free.
