Yintoni i-BPA kwaye iyichaphazela njani ukuPakisha kwam?

Ngaba ukhe wazibuza malunga nokhuseleko lweeplastiki ezisetyenziswa kwipakethe yakho yokutya? I-BPA, okanye i-bisphenol A, yikhemikhali efumaneka kwiimveliso ezininzi zeplastiki. Kwiminyaka yakutshanje, iinkxalabo ziye zaphakanyiswa malunga neengozi zempilo ezinokubakho ezinxulumene nokuvezwa kwe-BPA.

Ukuqonda ukuba yintoni i-BPA kunye nendlela enokuchaphazela ngayo ukhetho lwakho lokupakisha kubalulekile kubo bobabini abathengi kunye nabavelisi ngokufanayo. Kule posi, siza kuphonononga imiba ephambili ye-BPA, kubandakanya nokusetyenziswa kwayo kwizinto zokupakisha, iziphumo ezinokuthi zibe kho kwimpilo, kunye nezinye iindlela ezinokuqwalaselwa.

Yintoni i-BPA?

Imele ntoni iBPA?
I-BPA imele i-Bisphenol A. Yikhompawundi yemichiza esetyenziswa kwimveliso yeeplastiki kunye neentlaka. Le ngqungquthela yokwenziwa iyaziwa ngokukwazi ukuqinisa kunye nokomeleza izinto.

Iimpawu zeMichiza ye-BPA
BPA yi-organic synthetic compound. Inamaqela amabini e-phenol, eyenza inxalenye yediphenylmethane derivatives. Ezi zakhiwo zinika i-BPA isakhono sokudala iiplastiki ezomeleleyo, ezomelelayo kunye ne-epoxy resins esebenzayo.

Ukusetyenziswa ngokwembali kunye nophuhliso lwe-BPA kwizicelo zamashishini
I-BPA yaqala ukwenziwa ngo-1891 ngusokhemisti waseRashiya uAleksandr Dianin. Nangona kunjalo, ukusetyenziswa kwayo kwezoshishino kwaqala ngo-1950. I-BPA yaqala ukusetyenziswa kwimveliso ye-epoxy resins kunye neeplastiki ze-polycarbonate. Ezi zixhobo zifumene usetyenziso olubanzi ngenxa yokuqina kunye nokucaca kwazo. Ngeminyaka yee-1960, i-BPA yaba licandelo eliqhelekileyo kwiimveliso ezahlukeneyo zabathengi.

Ukusetyenziswa okuqhelekileyo kwe-BPA

Iiplastiki zePolycarbonate
Iiplastiki zePolycarbonate, ezenziwe nge-BPA, ziyaziwa ngamandla abo kunye nokungafihli. Ezi plastiki zisetyenziswa kwiimveliso ezininzi ezifana neebhotile zamanzi, iibhotile zeplastiki zomntwana, kunye nezikhongozeli zokutya. Zikwasetyenziselwa ukuveliswa kweeglasi zokhuseleko kunye neelensi zamehlo.

I-epoxy resins
I-epoxy resins equkethe i-BPA isetyenziswa njengeengubo zokukhusela. Ngokuqhelekileyo zifunyanwa zifakwe ngaphakathi ngaphakathi kokutya kunye neetoti zesiselo. I-epoxy resins ikhusela ukubola kunye nokungcoliswa, ukwandisa ubomi beshelufu yeemveliso. Zikwasetyenziswa kwii-sealants zamazinyo kunye ne-adhesives.

Iimveliso eziqhelekileyo eziqulathe i-BPA
Izinto ezininzi zemihla ngemihla zine-BPA ngenxa yeempawu zayo eziguquguqukayo:

• Iibhotile zamanzi ezemidlalo : Ihlala iqinile kwaye iyamelana neempembelelo.

• Iibhotile zomntwana kunye neekomityi ze-sippy : Ngokwembali zenziwe nge-BPA ukomelela kunye nokucaca.

• Imibhobho yamanzi : Ukomelela kwe-BPA kwenza ukuba ilungele ukusetyenziswa kwemibhobho.

• Izitywini zamazinyo : Zisetyenziswa kunyango lwamazinyo ukukhusela amazinyo ekuboleni.

I-BPA kwiiPlastiki kunye nokuPakisha

Iibhotile zeplastiki kunye nezikhongozeli
I-BPA ixhaphake kwiimveliso ezininzi zeplastiki. Iibhotile zamanzi zeplastiki kunye nezitya zokutya zihlala zine-BPA. Ikhemikhali inceda ukugcina ingqibelelo kunye nokuphila ixesha elide kwezi mveliso.

Izixhobo zokupakisha ukutya
I-BPA isetyenziselwa ukupakishwa kokutya ukuqinisekisa ukhuseleko lwemveliso. Ikhusela ungcoliseko kwaye igcina umgangatho wokutya. Nangona kunjalo, i-BPA inokungena ekutyeni nakwiziselo, ibeka imingcipheko yempilo. Le nkxalabo ikhokelele ekunyukeni kwezinye iindlela ezingenazo i-BPA.

Ukuchonga i-BPA kwiPackaging

Indlela yokuqaphela iiPlastiki ezineBPA

Iikhowudi zokurisayikilisha kunye neempawu
Ukuqonda iikhowudi zokurisayikilisha kubalulekile ekuchongeni iiplastiki ezine-BPA. Into nganye yeplastiki ibhalwe ngekhowudi yokuphinda isetyenziswe, idla ngokufumaneka emazantsi emveliso. Nazi iikhowudi eziphambili ekufuneka uziqwalasele:

• Iiplastiki ezibhalwe ngeekhowudi 1, 2, 4, 5, okanye 6 : Ezi ngokuqhelekileyo zithathwa njenge-BPA-free. Ungazisebenzisa ngokukhuselekileyo ezi ukugcina ukutya kunye nesiselo.

• Iiplastiki ezibhalwe ngeekhowudi 3 kunye ne-7 : Ezi zinokuqulatha i-BPA ngaphandle kokuba ziphawulwe ngenye indlela. Lumka xa usebenzisa ezi plastiki, ngakumbi xa udibana nokutya.

kwe-BPA-simahla kunye neziqinisekiso
Ukuleyibhelishwa Khangela iilebhile okanye iisimboli ezibonisa 'BPA-free' epakelweni. Ezi lebhile zinika isiqinisekiso sokuba imveliso ayinayo i-BPA. Iibrendi ezihloniphekileyo zihlala zibandakanya ulwazi olungena-BPA kwiiwebhusayithi zabo okanye kumaphepha emveliso.

Iingcebiso zokuchonga iimveliso ezingena-BPA ezivenkileni
Xa uthenga, landela la macebiso ukuze ufumane iimveliso ezingena-BPA:

1. Jonga iikhowudi zokurisayikilisha : Ziphephe iiplastiki ezibhalwe ngeekhowudi 3 kunye no-7 ngaphandle kokuba ziphawulwe ukuba aziyi-BPA.

2. Jonga iilebhile ezingena-BPA : Iimveliso ezininzi zichaza ngokucacileyo ukuba azina-BPA.

3. Phanda ngebrendi : Abavelisi abathembekileyo bahlala bebonelela ngolwazi oluneenkcukacha malunga neemveliso zabo zasimahla ze-BPA kwi-intanethi.

4. Cinga ngezinye iindlela : Khetha iglasi okanye izikhongozeli zentsimbi xa kunokwenzeka, njengoko ezi mathiriyeli zingenayo i-BPA.

Imizekelo yeeMveliso ezineBPA

Uluhlu oluneenkcukacha lweemveliso ezinokuthi ziqulathe i-BPA
BPA isetyenziswa ngokubanzi kumashishini ahlukeneyo ngenxa yokuqina nokusebenza kwayo. Nazi ezinye iimveliso eziqhelekileyo ezinokuqulatha i-BPA:

• Ukupakishwa kokutya : Ukutya okusemathinini, izitya zokutya zeplastiki, kunye neebhotile zamanzi zihlala zine-BPA.

• Impilo kunye neemveliso zobuhle : Ezinye iibhotile zokuthambisa, izikhongozeli zeshampu, kunye nokupakishwa kwezithambiso zisenokuba ne-BPA.

• Ukusetyenziswa kwamashishini : I-BPA isetyenziselwa ukuveliswa kwemibhobho yamanzi kunye neentlobo ezithile zezinto zokugquma.

Imizekelo ethile evela kumashishini ahlukeneyo

• Ukupakishwa kokutya : Iimpahla ezininzi ezinkonkxiweyo zineepoxy resin linings ezine-BPA. Oku kuquka izinto ezifana neesuphu, imifuno, kunye neziselo.

• Impilo kunye nobuhle : I-BPA ikhona kwezinye izikhongozeli zeplastiki zokuthambisa, iishampu, kunye nezinye iimveliso zokhathalelo lomntu.

• Izicelo zamashishini : I-BPA isetyenziselwa ukuveliswa kwezinto zeplastiki ezihlala zihlala, njengemibhobho yamanzi kunye neengubo zokukhusela.

Iinkxalabo zeMpilo ezinxulumene ne-BPA

Imingcipheko yeMpilo ngokubanzi

Amagqabantshintshi ngemiba yezempilo enxulunyaniswa nokuba
sesichengeni se-BPA kwi-BPA iye yadityaniswa neengxaki zempilo ezahlukeneyo. Le khemikhali ilinganisa i-estrogen, iphazamisa imisebenzi eqhelekileyo yehomoni. Inokuchaphazela iinkqubo ezininzi emzimbeni, okukhokelela kwiinkxalabo ezinzulu zempilo.

I-BPA ingena njani ekutyeni nakwiziselo
I-BPA inokungena ekutyeni nakwiziselo ezisuka kwizikhongozeli. Oku kuqhelekileyo kwiibhotile zamanzi zeplastiki kunye nezitya zokutya. Ukufudumeza ezi zikhongozeli kwandisa ukuvuza kwe-BPA. Xa i-BPA ingcolisa ukutya, ikhokelela ekutyeni kunye nokufunxa, ibeka ingozi enkulu yempilo.

Iziphumo zempilo ezithe ngqo

Ukuphazamiseka kweHormonal (ukulinganisa i-estrogen)
I-BPA isebenza njengento ephazamisayo ye-endocrine. Ibophelela kwi-estrogen receptors, ilinganisa iziphumo zehomoni. Oku kunokukhokelela ekungalingani kwehomoni kunye nokuphazamisa imisebenzi eqhelekileyo yomzimba.

Impembelelo ekuchumeni kwamadoda nabasetyhini
ukuvezwa kwe-BPA kuchaphazela ukuchuma kumadoda nabasetyhini. Kumadoda, inokunciphisa amanqanaba e testosterone kunye nokunciphisa umgangatho wesidoda. Kwabasetyhini, i-BPA inokuphazamisa amanqanaba ehomoni, echaphazela umgangatho weqanda kunye nokufakelwa. Olu tshintsho lunokukhokelela ekunciphiseni ukuchuma kunye neengxaki ekukhulelweni.

Ukunxibelelana nokutyeba, isifo senhliziyo, kunye nohlobo lwe-2 yesifo sikashukela
i-BPA idibaniswe nokutyeba kakhulu kunye nokuphazamiseka kwe-metabolic. Inokuphazamisa indlela umzimba olawula ngayo ubunzima kunye nokugcinwa kwamafutha. Ukuvezwa kwe-BPA kunxulumene nomngcipheko owongeziweyo wesifo senhliziyo kunye nohlobo lwe-2 yeswekile. Impembelelo yeekhemikhali kumanqanaba ehomoni kunye nemetabolism inokufaka isandla kwezi meko.

Umngcipheko onokubakho womhlaza
Uphononongo lucebisa ikhonkco phakathi kokuvezwa kwe-BPA kunye nomhlaza othile. I-BPA inokunyusa umngcipheko webele, i-prostate, kunye ne-ovarian cancers. Inokuchaphazela ukukhula kweeseli kunye nophuhliso, okukhokelela kutshintsho lomhlaza.

Iziphumo kuphuhliso lomntwana kunye nempilo yobuntwana
ukuvezwa kwe-BPA kuyingozi ngakumbi ekuphuhliseni abantwana kunye nabantwana. Inokuwela i-placenta kwaye ichaphazele ukukhula komntwana. Ukuvezwa kwe-BPA kwi-utero kudibaniswa neengxaki zophuhliso kunye nemiba yezempilo kamva ebomini. Abantwana abavezwe kwi-BPA banokujongana nemingcipheko eyongeziweyo yokutyeba, ukuphazamiseka kwemetabolism, kunye nokungalingani kwehomoni.

I-BPA kwiPackaging yokutya kunye neSiselo

Kutheni i-BPA isetyenziselwa ukuPakisha ukutya

Izibonelelo ze-BPA ekupakisheni
i-BPA isetyenziswa ngokubanzi kwipakethe yokutya ngenxa yeempawu zayo eziluncedo. Inika ukuqina kunye nokumelana nokwaphuka , iyenza ilungele izikhongozeli ezifuna ukumelana nokuphathwa kakubi. I-BPA iphinda ibe negalelo ekucaceni kweeplastiki, okubalulekileyo kwiimveliso ezifana neebhotile zamanzi zeplastiki kunye nezitya zokutya.

• Ukuqina : I-BPA inceda ukwenza izikhongozeli ezomeleleyo, ezihlala ixesha elide zeplastiki.

• Ukumelana nokuqhekeka : Iimveliso eziqulethe i-BPA azinakwenzeka ukuba ziqhekeke okanye zophuke.

• Ukucaca : I-BPA inegalelo ekubonakaleni kwezinto ezininzi zeplastiki.

Izinto eziqhelekileyo zokupakisha ukutya ezine-BPA
BPA zifumaneka kwizinto ezahlukeneyo zokupakisha ukutya. Ezi ziquka:

• Ukutya okusemathinini : I-BPA isetyenziswe kwi-lining of metal cants ukukhusela ukubola kunye nokungcola.

• Izikhongozeli zeplastiki : Izikhongozeli ezininzi zokugcina ukutya kunye neebhotile zeplastiki zine-BPA.

• Iibhotile zebhotile : Iibhotile zabantwana kunye neekomityi ze-sippy zihlala zine-BPA zokuqinisekisa ukuba zihlala zihlala zihleli kwaye zicacile.

Imigaqo ye-FDA kunye nokuma kwi-BPA

Isishwankathelo semimiselo ye-FDA malunga nokusetyenziswa kwe-BPA ekupakisheni
I-FDA iye yavavanya ukhuseleko lwe-BPA ngokubanzi. Batsho ukuba amanqanaba akhoyo e-BPA ekupakishweni kokutya akhuselekile kubathengi. Nangona kunjalo, iinkxalabo malunga nokuvezwa kwe-BPA, ngakumbi kwiintsana kunye nabantwana abancinci, kukhokelele kwiinguqu ezilawulayo.

Utshintsho lwakutsha nje kunye nophando oluqhubekayo
Ngo-2012, i-FDA yavala i-BPA kwiibhotile zeentsana kunye neekomityi ze-sippy ngenxa yokuba sesichengeni kweentsana kwi-BPA yokuvezwa. Uphando oluqhubekayo luyaqhubeka nokuvavanya iingozi zezempilo ezinokuthi zenzeke kwi-BPA. Olunye uphononongo lucebisa ukuba namanqanaba aphantsi okuvezwa kwe-BPA anokuba yingozi, okukhokelela kwiifowuni zemithetho engqongqo.

Ukuthelekiswa kwemimiselo kumazwe ahlukeneyo
Amazwe ahlukeneyo aneendlela ezahlukeneyo zokusebenzisa i-BPA. Nangona i-FDA igcina ukuba amanqanaba e-BPA ekusetyenzisweni kwangoku akhuselekile, i-European Union ithathe indlela yokukhusela, ukuvala i-BPA kwiibhotile zentsana kunye nokunciphisa amanqanaba avumelekileyo kwezinye izinto zokunxibelelana nokutya. ICanada ibhengeze i-BPA njengento eyityhefu kwaye iyekile ukusetyenziswa kwayo kwiibhotile zeentsana.

Iindlela ezizezinye kwi-BPA kwiPackaging

IiPlastiki zasimahla zeBPA

Izinto ezibambeleyo zeBPA eziqhelekileyo
Abavelisi baphuhlise izinto ezithatha indawo ye-BPA ukwenza iiplastiki ezingena-BPA. Ezinye iindlela eziqhelekileyo ziquka i-BPS (i-Bisphenol S) kunye ne-BPF (i-Bisphenol F). Ezi zibambela zisetyenziswa kwiimveliso ezahlukeneyo ukugcina ukuqina ngaphandle komxholo we-BPA.

Izinto eziluncedo kunye neengozi zeeplastiki ezingena-BPA
iiplastiki ezingena-BPA zithengiswa njengezinye iindlela ezikhuselekileyo. Banikezela ngeenzuzo ezifanayo kwi-BPA, njengamandla kunye nokungafihli. Nangona kunjalo, kukho iinkxalabo malunga nokhuseleko kunye nokusebenza kwazo.

• Iinzuzo :

• Igcina ukuqina kwemveliso kunye nokucaca.

• Yehlisa ukutyhileka kwabathengi kwi-BPA.

• Ububi :

• I-BPS kunye ne-BPF zinezakhiwo zeekhemikhali ezifanayo kwi-BPA.

• Imingcipheko yempilo enokubakho isenokubakho ngezi thatha indawo.

• Uphando oluncinci malunga nokhuseleko lwexesha elide lwe-BPS kunye ne-BPF.

Iinkxalabo zokhuseleko ngeendlela ezizezinye ze-BPA
Nangona iiplastiki ezingena-BPA zilinyathelo eliya phambili, zisenokungabi namngcipheko ngokupheleleyo. Uphando olukhulayo lubonisa ukuba i-BPS kunye ne-BPF inokulinganisa i-estrogen kwaye iphazamise imisebenzi yehomoni. Oku kukhokelele kwiingxoxo eziqhubekayo malunga nokhuseleko lwabo.

Iindlela ezingezizo ezePlastiki

Izikhongozeli zeglasi
Iglasi yeyona nto idumileyo engeyiyo eyeplastiki. Yomelele, isebenziseka kwakhona, kwaye ayinayo kwaphela kwi-BPA kunye nezinye iikhemikhali eziyingozi. Izikhongozeli zeglasi zibalaseleyo ekugcineni ukutya neziselo.

Izikhongozeli zetsimbi Intsimbi
engatyiwa yenye enye ekhuselekileyo. Isetyenziswa kwiibhotile zamanzi, izitya zokutya, kunye neebhotile zabantwana. Intsimbi engatyiwayo yomelele, ayisuki kwiikhemikhali, kwaye kulula ukuyicoca.

Ikhadibhodi kunye nezinto ezinokubola zebhayoloji
Kwabo bafuna iinketho ezilungele i-eco-friendly, ikhadibhodi kunye nezinto ezinokubola zilukhetho olukhulu. Ezi zixhobo zisetyenziswa kakhulu ekupakisheni ukutya kwaye zinika enye indlela ezinzileyo kwiiplastiki. Zikhuselekile kuqhagamshelwano lokutya kwaye zinceda ukunciphisa impembelelo yokusingqongileyo.

Iingcebiso zokuNcitshiswa kwe-BPA Exposure

Iingcebiso ezisebenzayo kubathengi
Abathengi banokuthatha amanyathelo aliqela ukunciphisa ukuvezwa kwe-BPA:

• Kuphephe ukufudumeza iiplastiki : I-BPA ivuza ngakumbi xa iiplastiki zifudunyezwa. Sebenzisa iglasi okanye insimbi engenasici ekutyeni okushushu kunye neziselo.

• Jonga iikhowudi zokurisayikilisha : Khetha iimveliso ezibhalwe ngeekhowudi zokurisayikilisha 1, 2, 4, 5, okanye 6.

• Khetha iimveliso ezingena-BPA : Jonga iilebhile ezibonisa i-BPA-free kwizikhongozeli zokutya kunye neebhotile zamanzi.

Izindululo zokhetho olukhuselekileyo lokupakisha
Ukunciphisa ngakumbi ukuba sesichengeni se-BPA, qwalasela olu khetho lukhuselekileyo lokupakisha:

• Iibhotile zamanzi zeglasi okanye insimbi engenastainless : Ezi aziyi-BPA kwaye aziyi kuphuma iikhemikhali.

• Iiplastiki ezingena-BPA : Ukuba ukhetha iplastiki, qiniseka ukuba ibhalwe njenge-BPA-free.

• Sebenzisa ezinye iindlela : Khetha ikhadibhodi okanye imathiriyeli enokubola ukuze upakishe xa zikhona.

Ukwenza ukhetho olunolwazi malunga nokupakishwa kunokunciphisa kakhulu ukuvezwa kwakho kwi-BPA kunye nezinye iikhemikhali eziyingozi. Ngokukhetha i-BPA-free kunye nezinye iindlela ezingezizo ezeplastiki, unokuqinisekisa ukugcinwa kokutya okukhuselekileyo kwaye ube negalelo kwindlela yokuphila esempilweni.

Isishwankathelo

Kweli nqaku, siphonononge ukuba yintoni i-BPA kunye nefuthe layo ekupakisheni. Sixoxe ngokusetyenziswa kwe-BPA kwiiplastiki kunye neentlaka, iingozi zayo zempilo, kunye neemveliso eziqhelekileyo ezine-BPA. Siphinde sajonga imimiselo ye-FDA kunye nezinye iindlela ezikhuselekileyo ezifana neeplastiki ze-BPA, iglasi, kunye nentsimbi engatyiwa.

Ukuqonda i-BPA kunceda abathengi benze izigqibo ezinolwazi malunga nokupakishwa. Ukukhetha iinketho ezingenayo i-BPA nezizinzileyo kunokunciphisa iingozi zempilo kunye neempembelelo zokusingqongileyo.

I-U-nuo Packaging's yonke ipakethe yeplastiki yenziwe kusetyenziswa iiplastiki ezingena-BPA.