130957 20240202151703.0 doi 10.1016/j.foodchem.2018.08.109 sideral 107921 ART-2019-107921 eng Dreolin, Nicola Development and validation of a LC–MS/MS method for the analysis of bisphenol a in polyethylene terephthalate 2019 Bisphenol A (BPA) is widely recognized being an endocrine disrupter and it is employed in many food packaging applications. Although it is not intended to take part in the manufacture of polyethylene terephthalate (PET) food grade, the presence of BPA in recycled PET should not be neglected. To satisfy the increasing need to ensure “BPA-free” articles, a liquid chromatography-tandem mass spectrometry method was developed. The crucial step in the sample preparation was the total dissolution/reprecipitation of the polymer. The repeatability of the method (RSD%, n = 6) was lower than 7.6%, while HorRat values ranged between 0.3 and 0.5. Limits of detection and quantitation were 1.0 and 3.3 ng g-1, respectively. Recovery ranged from 89 to 107%. The method was applied to 23 samples of virgin and recycled pellets, preforms and bottles. Migration tests were also carried out. Results shown significantly higher levels of BPA in recycled PET. Access copy available to the general public Unrestricted info:eu-repo/grantAgreement/ES/DGA/T10 info:eu-repo/grantAgreement/ES/MINECO/AGL2015-67362-P info:eu-repo/grantAgreement/ES/MINECO/RYC-2012-11856 info:eu-repo/semantics/openAccess by-nc-nd http://creativecommons.org/licenses/by-nc-nd/3.0/es/ 6.306 2019 CHEMISTRY, APPLIED 5 / 70 = 0.071 2019 Q1 T1 NUTRITION & DIETETICS 10 / 89 = 0.112 2019 Q1 T1 FOOD SCIENCE & TECHNOLOGY 6 / 138 = 0.043 2019 Q1 T1 1.775 2019 Analytical Chemistry 2019 Q1 Medicine (miscellaneous) 2019 Q1 Food Science 2019 Q1 info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion Aznar, Margarita Universidad de Zaragoza (orcid)0000-0002-0759-9170 Moret, Sabrina Nerin, Cristina Universidad de Zaragoza (orcid)0000-0003-2685-5739 2009 750 Universidad de Zaragoza Dpto. Química Analítica Área Química Analítica 274 (2019), 246-253 Food chem. Food Chemistry 0308-8146 673411 http://zaguan.unizar.es/record/130957/files/texto_completo.pdf Postprint 1333927 http://zaguan.unizar.es/record/130957/files/texto_completo.jpg?subformat=icon icon Postprint oai:zaguan.unizar.es:130957 articulos driver 2024-02-02-14:49:12 ARTICLE