The analysis and probabilistic health risk assessment of polycyclic aromatic hydrocarbons in cereal products
2022
Khalili, Fariba | Shariatifar, Nabi | Dehghani, Mohammad Hadi | Yaghmaeian, Kamyar | Nodehi, Ramin Nabizadeh | Yaseri, Mehdi | Arabameri, Majid
The analysis and probabilistic health risk assessment of polycyclic aromatic hydrocarbons (PAHs) in cereal products were done by using magnetic solid-phase extraction (MSPE) method and gas chromatography/mass spectrometric (GC/MS). The results of method showed LOQ and LOD of PAHs compounds were 0.105–0.180 and 0.035–0.060 µg/kg, and the recorded values were 4.3–12.1 and 6.1–20.3% for repeatability and reproducibility with an estimated recovery of 94.4–103.4%. In this study, we analyzed kind of bread (Barbari, Sangak, Baguette, Taftoon, Lavash), macaroni, lasagna, and cooked rice that mean of total PAHs were 98.2, 121.7, 134.9, 166.3, 176.3, 176.2, 130.1, and 248.3 μg/kg, respectively. Further, the correlation between the type and amount of 16 PAHs with cereal products samples evaluated with multivariate principal component analysis and heat map visualization. The highest incremental lifetime cancer risk (ILCR) was found in cooked rice (7.80E-6), while the lowest ILCR was found in Lasagna (2.35E-07). In conclusion, the PAHs content in the tested products were in low health risk ranges (1 × 10⁻⁶ < ILCR < 1 × 10⁻⁴), and all of the cereal products sold in Tehran are considered safe for consumers. Therefore, cereal products should be regularly evaluated and monitored by regulatory agencies to reduce contaminants in these high-consumption products.
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