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Application of Fourier-Transform Infrared Spectroscopy in Detecting Microplastics in Beer
Original title: Application of Fourier-Transform Infrared Spectroscopy in Detecting Microplastics in Beer
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This Croatian-language paper reviews the use of Fourier-transform infrared spectroscopy (FT-IR) to detect microplastics in beer, finding that plastic packaging can shed particles into beverages. The study raises concerns about microplastic contamination of food products packaged in or processed with plastic materials.
Sve veća prisutnost mikroplastike, ne samo u okolišu nego i u hrani te predmetima svakodnevne uporabe, postavlja pitanja kako smanjiti i minimizirati njezin utjecaj na ljudsko zdravlje. Plastična ambalaža postaje sve popularnija i koristi se za pakiranje mnogih proizvoda. Budući da se plastika ne može razgraditi, dolazi do sve veće akumulacije plastike u okolišu pa i u proizvodima pakiranih u plastičnu ambalažu. Djelovanjem različitih čimbenika dolazi do fragmentacije plastike te nastaju čestice mikroplastike. Prema tome, potrebno je razviti metodu analize mikroplastike u hrani. Trenutno je vrlo teško kvantificirati broj čestica i njegov točan sastav. Ipak, polukvantitativne tehnike kao što je FT-IR (infracrvena spektrofotometrija s Fourierovom transformacijom) mogu nam dati uvid u kemijski sastav čestica mikroplastike u hrani i pićima. Pivo se danas puni u PET ambalažu jer predstavlja jeftiniji materijal za pakiranje u usporedbi sa staklom. Cilj ovog rada bio je dati kratak pregled FT-IR identificiranih spojeva u PET pakiranim uzorcima piva. Rezultati pokazuju da se mnogi spojevi mikroplastike mogu naći u pivu, ali najčešće pronađeni u ovom istraživanju bili su β- ciklodekstrin i L(-)-gliceraldehidni neprirodni oblik, dva spoja označena kao mikroplastika.
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