Nazarin nau'ikan nau'ikan abincin teku guda biyar ya gano cewa kowane samfurin gwaji yana dauke da adadin leda.
Masu binciken sun sayi kawa, katanga, squid, kadoji da sardines daga wata kasuwa a Ostiraliya kuma suka yi nazarin su ta hanyar amfani da sabuwar hanyar da za ta iya ganowa da auna nau'ikan filastik biyar daban-daban.
Binciken da jami’ar Exeter da jami’ar Queensland suka gudanar ya gano cewa squid, gram shrimp, shrimp, oysters, shrimp, da sardines sun kai 0.04 mg, 0.07 mg, oyster 0.1 mg, kaguwa 0.3 mg da 2.9 mg, bi da bi.
Francesca Ribeiro, babbar marubuciya ta Cibiyar ta QUEX, ta ce: “Idan aka yi la’akari da matsakaicin amfani, masu cin abincin teku na iya cinye kusan miliyon 0.7 na roba lokacin cin kawa ko kifin, yayin da cin sardines na iya cinyewa da yawa. Har zuwa 30mg na roba. "Dalibin PhD.
"Don kwatantawa, matsakaicin nauyin kowace hatsin shinkafa ya kai MG 30.
"Abubuwan da muka gano sun nuna cewa yawan robobin da ke akwai tsakanin jinsuna daban-daban ya sha bamban sosai, kuma akwai banbanci tsakanin mutane masu jinsi daya.
"Daga nau'ikan abincin kifin da aka gwada, sardines suna da kayan roba mafi yawa, wanda shine sakamakon mamaki."
Farfesa Tamara Galloway, marubuciya ce ta Exeter Institute for Global Systems, ta ce: "Ba mu cika fahimtar haɗarin shigar da robobi cikin lafiyar ɗan adam ba, amma wannan sabuwar hanyar za ta sauƙaƙa mana ganowa."
Masu binciken sun sayi danyen abincin ruwa-kifaye masu launin shuɗi guda biyar, kawa goma, prawn tiger da aka noma, kifayen daji goma da sardines goma.
Bayan haka, sun binciko robobi biyar waɗanda za'a iya gano su ta sabuwar hanyar.
Duk waɗannan robobi ana amfani dasu galibi cikin kwalin roba da kuma kayan roba, kuma galibi ana samunsu cikin tarkacen ruwa: polystyrene, polyethylene, polyvinyl chloride, polypropylene da polymethylmethacrylate.
A cikin sabuwar hanyar, ana kula da kayan abinci tare da sunadarai don narke filastik ɗin da ke cikin samfurin. Sakamakon binciken ana yin amfani da shi ta hanyar amfani da wata dabara mai matukar wahala da ake kira pyrolysis gas chromatography-mass spectrometry, wanda zai iya gano lokaci guda nau'ikan robobi daban-daban a cikin samfurin.
Polyvinyl chloride an samo shi a cikin dukkan samfuran, kuma filastik ɗin da ke da ƙarfi sosai shine polyethylene.
Microplastics ƙananan yankuna ne na filastik waɗanda zasu ƙazantar da mafi yawan sassan duniya, haɗe da teku. Duk nau'ikan rayuwar halittar ruwa suna cin su, daga kananan larvae da plankton zuwa manyan dabbobi masu shayarwa.
Bincike ya zuwa yanzu ya nuna cewa microplastics ba wai kawai suna shiga abincinmu daga abincin teku ba, har ma suna shiga jikin mutum daga ruwan kwalba, gishirin teku, giya da zuma, da ƙura daga abinci.
Sabuwar hanyar gwajin wata hanya ce ta bayyana abin da yawan lemun roba yake dauke da cutarwa da kuma tantance illolin da ke tattare da shan filastik a cikin abinci.
