ʻIke Kumu o Bisphenol A (bpa)
ʻO Bisphenol A, i ʻike ʻia hoʻi ʻo BPA, he hui organik me ke ʻano molekala C₁₅H₁₆O₂. Ma ke ʻano ʻoihana, hoʻohana ʻia ia i ka hana ʻana i nā mea e like me ka polycarbonate (PC) a me nā resins epoxy. Mai ka makahiki 1960, ua hoʻohana ʻia ʻo BPA i ka hana ʻana i nā ʻōmole pēpē plastik, nā kīʻaha sippy, a me nā uhi o loko o nā kini meaʻai a me nā mea inu (me nā waiū pēpē). Loaʻa ka BPA ma nā wahi āpau—hiki ke loaʻa i nā ʻano huahana like ʻole, mai nā ʻōmole wai a me nā mea lapaʻau a hiki i nā uhi o loko o nā ʻōpala meaʻai. Ma ka honua holoʻokoʻa, hana ʻia he 27 miliona tone o nā plastik i loaʻa ka BPA i kēlā me kēia makahiki.

ʻO Bisphenol A, i hōʻoia ʻia he maʻemaʻe kiʻekiʻe, hāʻawi i ka hana maikaʻi loa no nā huahana ma hope. Kaomi ma aneʻi e kiʻi i kahi ʻōlelo hoʻēmi.