Poly (Ethylene terephthalate) (PET)kayan tattarawa ne da masana'antar abinci da abin sha ke amfani da ita;don haka, masu bincike da yawa sun yi nazari akan kwanciyar hankalin sa.Wasu daga cikin waɗannan karatun sun ba da fifiko ga ƙarni na acetaldehyde (AA).Kasancewar AA a cikin labaran PET yana da damuwa saboda yana da wurin tafasa a ko ƙasa da zafin jiki (21_C).Wannan ƙarancin zafin jiki zai ba shi damar yaduwa daga PET zuwa ko dai yanayi ko kowane samfur a cikin akwati.Ya kamata a rage yaɗuwar AA cikin yawancin samfuran, tunda ɗanɗano/ƙamshin AA an san yana shafar ɗanɗano na wasu abubuwan sha da abinci.Akwai hanyoyi da yawa da aka ruwaito don rage adadin AA da aka samar yayin narkewa da sarrafa PET.Hanya ɗaya ita ce haɓaka yanayin sarrafawa wanda a ƙarƙashinsa ake kera kwantena PET.Waɗannan sauye-sauye, waɗanda suka haɗa da zafin jiki na narkewa, lokacin zama, da ƙimar ƙarfi, an nuna suna tasiri sosai ga tsarar AA.Hanya ta biyu ita ce amfani da resins na PET waɗanda aka keɓe musamman don rage haɓakar AA yayin kera kwantena.Wadannan resins an fi sanin su da '' ruwa mai daraja PET resins ''.Hanya ta uku ita ce amfani da abubuwan da aka fi sani da suna acetaldehyde scavenging agents.

AA scavengers an tsara su don yin hulɗa tare da kowane AA da aka samar yayin sarrafa PET.Waɗannan masu ɓarna ba sa rage lalata PET ko samuwar acetaldehyde.Suna iya;duk da haka, iyakance adadin AA wanda zai iya yaduwa daga cikin akwati don haka rage kowane tasiri akan abubuwan da ke kunshe.Ma'amalar wakilai masu lalata da AA ana saka su don faruwa bisa ga hanyoyi daban-daban guda uku, ya danganta da tsarin ƙwayoyin cuta na takamaiman mai ɓarna.Nau'in na farko na hanyar zazzagewa shine amsawar sinadarai.A wannan yanayin AA da wakili na ɓarna suna amsawa don samar da haɗin sinadarai, ƙirƙirar aƙalla sabon samfuri ɗaya.A cikin nau'in na'ura na biyu na tsarin ɓarna an ƙirƙira hadaddun haɗawa.Wannan yana faruwa a lokacin da AA ya shiga cikin rami na ciki na wakili mai ɓarna kuma an riƙe shi ta hanyar haɗin gwiwar hydrogen, wanda ya haifar da hadaddun kwayoyin halitta daban-daban da aka haɗa ta hanyar haɗin sinadarai na biyu.Nau'i na uku na hanyar zazzagewa ya haɗa da jujjuyawar AA zuwa wani nau'in sinadari ta hanyar mu'amalarsa da mai kara kuzari.Juya AA zuwa wani sinadari na daban, kamar acetic acid, na iya ƙara tafasar ɗan ƙaura don haka ya rage ikonsa na canza ɗanɗanon abincin ko abin sha.