The Control of Novel and Traditional Elemental Impurities: Ag, Au, Co, Cs, Li, Mo, Se, Sr, and V in Mint Tea Infusions (Peppermint, Mentha piperita L.) Available in Poland: A Health Risk Assessment

Justyna Milan, Adrian Frydrych, Maciej Noga, Elżbieta Kondratowicz-Pietruszka, Mirosław Krośniak and Kamil Jurowski ()
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Justyna Milan: Laboratory of Innovative Toxicological Research and Analyses, Institute of Medical Studies, Medical College, Rzeszów University, Aleja Majora W. Kopisto 2a, 35-959 Rzeszow, Poland
Adrian Frydrych: Laboratory of Innovative Toxicological Research and Analyses, Institute of Medical Studies, Medical College, Rzeszów University, Aleja Majora W. Kopisto 2a, 35-959 Rzeszow, Poland
Maciej Noga: Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises, Aleksandrowska 67/93, 91-205 Łódź, Poland
Elżbieta Kondratowicz-Pietruszka: Department of General Chemistry, Cracow University of Economics, Sienkiewicza 5, 30-033 Kraków, Poland
Mirosław Krośniak: Department of Food Chemistry and Nutrition, Medical College, Jagiellonian University, Medyczna 9, 30-688 Kraków, Poland
Kamil Jurowski: Laboratory of Innovative Toxicological Research and Analyses, Institute of Medical Studies, Medical College, Rzeszów University, Aleja Majora W. Kopisto 2a, 35-959 Rzeszow, Poland

IJERPH, 2022, vol. 19, issue 24, 1-16

Abstract: The purpose of our studies is the evaluation of the health risks of the novel elemental impurities (Ag, Au, Co, Cs, Li, Mo, Se, Sr, and V) in mint tea infusions ( Mentha piperita L.) available in Poland. For this purpose, we applied ICP-MS-based methodology for content analysis (elemental profile and µg/L of the infusion) and also the specific health risk assessment for a comprehensive assessment. Our strategy was based on weekly intake (µg/L of infusion/week) considering weekly tea consumption. Then, based on the weekly consumption of tea per adult, individuals were compared to the Temporary Tolerated Weekly Intake (PTWI) designated by the Joint FAO Expert Committee on Food Additives (JECFA), and the weekly consumption per body weight (µg/L of infusion/week/bw) was estimated. Daily exposure to Co in the tested products is in a range of 0.093–0.238 µg/day. In comparison, the established PDE (oral exposure) for Co by the ICH guideline (the ICH guideline Q3D (R1), 2019) is 50 µg/day. For lithium, PDE is approximately 560 µg/day and, in our study, the estimated daily exposure for Li in investigated products is in a range of 0.226–2.41 µg/day. Our studies found also low levels of Cs (in a range of 0.0598–0.195 µg/L), Mo (in a range of 0.663–3.261 µg/L), and Sr (0.223–65.842 µg/L) in infusions. For Molybdenum, the established PDE is approximately 3400 µg/day. There are no documents about Sr and Co in the Joint FAO/WHO Expert Committee on Food Additives (JECFA) database and the ICH guideline Q3D (R1). In the case of V, the established PDE is 120 µg/day, and the level of V in analyzed infusions is in a range of 0.284–0.702 µg/L. Silver and gold were present only in a few samples, and the estimated daily exposure for Ag is approximately 0.04575 µg/day for product A and approximately 0.1885 µg/day for product O, except for Au, which is in a range of 0.000356–0.114 µg/L. The estimated daily exposure for Ag is 167 µg/day and, for Au, it is in a range of 8.9 × 10 5 –0.0285 µg/day. It can be concluded that levels of all investigated elements (novel and also traditional elemental impurities) in the daily dose should not threaten the consumer’s health after consuming mint tea infusions.

Keywords: novel impurities; elemental profile; ICP-MS; health risk assessment; mint tea; tea infusions (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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