Mkpuchi Mkpọ nri nwere nnọọ ogologo-eguzo na omenala, dị ka mkpuchi na n'ime-n'akụkụ ike-ahụ nwere ike nke ọma chebe ọdịnaya nke nwere ike site na mmetọ na-echekwa ha n'oge ogologo oge nke nchekwa, were epoxy na PVC dị ka ihe atụ, ndị a abụọ. A na-etinye lacquers n'ahịrị n'ime-akụkụ nke ike-ahụ maka nzube nke igbochi corrosion nke metal site na nri acidic.
BPA, mkpụmkpụ maka Bisphenol A, bụ ihe ntinye maka mkpuchi resin epoxy.Dabere na Wikipedia, enwere opekata mpe akwụkwọ sayensị 16,000 ebipụtara site na ụlọ ọrụ ndị dị mkpa gbasara nsogbu ahụike BPA na isiokwu nke arụmụka ọha na nke sayensị ogologo oge.Ọmụmụ kinetic na-egbu egbu gosiri na ọkara ndụ ndụ nke BPA n'ime mmadụ toro eto dị ihe dị ka awa 2, mana ọ naghị agbakọta n'ime ụmụ mmadụ toro eto n'agbanyeghị ekpughere BPA.N'ezie, BPA na-egosipụta oke nsi dị ala dị ka LD50 nke 4 g/kg (òké) gosiri.Ụfọdụ akụkọ nyocha na-egosi na: ọ nwere obere mgbakasị ahụ na akpụkpọ ahụ mmadụ, nke mmetụta ya dị ntakịrị karịa phenol.Mgbe etinyere ya ogologo oge na ule anụmanụ, BPA na-egosi mmetụta homonụ nke nwere ike imetụta mmetụta na-adịghị mma na ọmụmụ.Ka o sina dị, mmetụta ọjọọ na-emetụta ụmụ mmadụ nke na-eyi ahụike mmadụ egwu apụtabeghị, n'otu akụkụ n'ihi obere oriri oriri.
N'iburu n'uche ejighị n'aka sayensị, ọtụtụ ikike ewerela ihe iji dozie nsogbu nke ibelata mkpughe na ndabere kpachara anya.Ekwuru na ECHA (mkpụmkpụ maka 'European Chemicals Agency') etinyela BPA na ndepụta nke ihe nwere oke nchegbu, n'ihi njirimara endocrine nke a chọpụtara.Ọzọkwa, n'ihi nsogbu nke ụmụ ọhụrụ nwere ike ihu ihe ize ndụ dị ukwuu na nke a, na-eduga na mmachibido iji BPA na karama ụmụaka yana ngwaahịa ndị ọzọ dị mkpa site na US, Canada, na EU n'etiti ndị ọzọ.
Oge nzipu: Jul-30-2022
