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Open AccessArticle

HPLC with Fluorescence Detection for Determination of Bisphenol A in Canned Vegetables: Optimization, Validation and Application to Samples from Portuguese and Spanish Markets

1
Department of Food and Nutrition, National Institute of Health Dr. Ricardo Jorge, I.P., 1600-560 Lisbon, Portugal
2
Department of Analytical Chemistry, Nutrition and Food Science, Pharmacy Faculty, University of Santiago de Compostela, 15705 Santiago de Compostela, Spain
3
IDMEC, Instituto Superior Técnico, Departamento de Engenharia Mecânica, University of Lisbon, 1649-004 Lisbon, Portugal
4
National Institute for Agricultural and Veterinary Research (INIAV), 2780-157 Vairão, Portugal
5
Center for Study in Animal Science (CECA), ICETA, University of Porto, 4099-002 Porto, Portugal
*
Author to whom correspondence should be addressed.
Coatings 2020, 10(7), 624; https://doi.org/10.3390/coatings10070624
Received: 9 June 2020 / Revised: 26 June 2020 / Accepted: 29 June 2020 / Published: 30 June 2020
(This article belongs to the Special Issue Novel Advances in Food Contact Materials)
Bisphenol A (BPA) is one of the chemicals used to produce both polycarbonate plastics and epoxy resin coatings. Research has shown that small amounts of BPA can migrate into the foods and beverages enclosed in these types of containers. In this research, an analytical method based on high-performance liquid chromatography with fluorescence detection (HPLC-FLD) was developed and validated for the determination of BPA in canned vegetables. The results were confirmed by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). Attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR) was performed, to identify the coating material of each tin can. Nineteen cans of vegetables were taken as study samples (eleven samples from the Spanish market, and eight samples from the Portuguese market). Excellent linear correlation (r2 = 0.9999) was observed over the range of 0.01 to 0.25 mg/L. Limit of detection (LOD) and limit of quantification (LOQ) values were calculated to be 0.005 mg/kg and 0.01 mg/kg, respectively. Good recoveries, between 72% and 90% were obtained at three different levels of concentration (RSD% = 4.6). BPA was not detected in the samples. The proposed HPLC-FLD was found to be suitable for the determination of BPA in canned vegetables. View Full-Text
Keywords: bisphenol A; epoxy resins; canned vegetables; HPLC-FLD; LC-MS/MS bisphenol A; epoxy resins; canned vegetables; HPLC-FLD; LC-MS/MS
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Vilarinho, F.; Lestido-Cardama, A.; Sendón, R.; Rodríguez Bernaldo de Quirós, A.; Vaz, M.F.; Sanches-Silva, A. HPLC with Fluorescence Detection for Determination of Bisphenol A in Canned Vegetables: Optimization, Validation and Application to Samples from Portuguese and Spanish Markets. Coatings 2020, 10, 624.

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