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Food Chem


Title:Importance of profile of volatile and off-odors compounds from different recycled polypropylene used for food applications
Author(s):Paiva R; Wrona M; Nerin C; Bertochi Veroneze I; Gavril GL; Andrea Cruz S;
Address:"Chemistry Department, Center for Exact Sciences, Federal University of Sao Carlos (UFSCar), Rodovia Washington Luis, Km 235, 10 SP-310, Sao Carlos, Brazil. Department of Analytical Chemistry, Aragon Institute of Engineering Research I3A, CPS-University of Zaragoza, Torres Quevedo Building, Maria de Luna 3, 50018 Zaragoza, Spain. Department of Analytical Chemistry, Aragon Institute of Engineering Research I3A, CPS-University of Zaragoza, Torres Quevedo Building, Maria de Luna 3, 50018 Zaragoza, Spain. Electronic address: cnerin@unizar.es. Department of Bioinformatics, National Institute of Research and Development for Biological Sciences, 296 Splaiul Independentei, sector 6, 060031 Bucharest, Romania. Chemistry Department, Center for Exact Sciences, Federal University of Sao Carlos (UFSCar), Rodovia Washington Luis, Km 235, 10 SP-310, Sao Carlos, Brazil. Electronic address: sandra.cruz@ufscar.br"
Journal Title:Food Chem
Year:2021
Volume:20210209
Issue:
Page Number:129250 -
DOI: 10.1016/j.foodchem.2021.129250
ISSN/ISBN:1873-7072 (Electronic) 0308-8146 (Linking)
Abstract:"Nowadays, polypropylene is one of the most common polymers used in the food packaging industry due to its good functionality and relatively low cost. Nevertheless, usage of plastic disposable packaging can be a generator of plastic pollution having negative environmental effects. A feasible solution for this issue would be to recycle. The polypropylene samples were submitted to two processes, forced contamination, and recycling, and they were analyzed by solid-phase microextraction gas chromatograph-olfactometry-mass spectrometry. 45 different volatile compounds were identified and 9 of them presented distinct odoriferous activities. Among them, two important markers were detected: diethyl phthalate (probably coming from the catalyst of PP polymerization, intentionally added substance (IAS)), and glycerine (a marker of non-intentionally added substances (NIAS))"
Keywords:Food Contamination/analysis Food Packaging/*methods Odorants/*analysis Polypropylenes/*chemistry *Recycling Volatile Organic Compounds/*analysis Hs-spme-gc-o-ms Ias Nias Off-odors Recycled polypropylene Volatile compounds;
Notes:"MedlinePaiva, Robert Wrona, Magdalena Nerin, Cristina Bertochi Veroneze, Isabelly Gavril, Georgiana-Luminita Andrea Cruz, Sandra eng England 2021/02/20 Food Chem. 2021 Jul 15; 350:129250. doi: 10.1016/j.foodchem.2021.129250. Epub 2021 Feb 9"

 
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