Polycyclic aromatic hydrocarbons in citrus fruit irrigated with fresh water under arid conditions: Concentrations, sources, and risk assessment

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Jiries, A.; Al-Nasir, F.; Hijazin, T. J.; Al-Alawi, M.; El Fels, L. et al.: Polycyclic aromatic hydrocarbons in citrus fruit irrigated with fresh water under arid conditions: Concentrations, sources, and risk assessment. In: Arabian journal of chemistry 15 (2022), Nr. 9, 104027. DOI: https://doi.org/10.1016/j.arabjc.2022.104027

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In Jordan, as well as in all the world countries, consumption of citrus fruits is an essential part of the daily diet, so it is important to assess the potential risk of the persistent organic pollutants such as polyaromatic hydrocarbons (PAHs) in these fruits to the human health and identify their sources in order to eliminate or reduce them. This study reports 16 priority PAHs content in four types of peeled citrus fruits grown in Jordan valley. PAHs were detected in all the studied samples in variable quantities depending on the type of citrus fruits. The results showed that the highest PAH level corresponded to acenaphthene (35.018 µg/kg) in grapefruit. Among the carcinogenic PAHs, benzo[a]anthracene (BaA) and benzo(a)pyrene (BaP) were the most representative and found in all the analyzed fruit, soil, and water samples, whereas anthracene (ANT) was not detected at all. The mean ∑16 PAHs for the different fruits were found to be 62.593 µg kg−1 in grapefruit, 24.840 µg kg−1 in lemon, 22.901 µg kg−1 in mandarin, and 5.082 µg kg−1 in orange. The dominance of naphthalene (NAP) and acenaphthene (ACE) in soil under hot climatic conditions indicates the recent and continuous input of these types in the investigated area. The bioconcentration factor (BCF) for ∑16 PAHs was observed in the order of grapefruit > lemon > mandarin > orange. Based on the results of the principal component analysis (PCA), the primary sources of PAHs in agricultural soils mainly originated from biomass burning and vehicular emissions. The incremental lifetime cancer risk (ILCR) indicated that consumption of these four citrus fruits may expose human health to potential cancer risk. The findings of this study call the policymakers and public administrations to the formulation of stringent policies and actions to control biomass burning and vehicular emissions.
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2022
Appears in Collections:Naturwissenschaftliche Fakultät

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pos. country downloads
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1 image of flag of Germany Germany 24 30.77%
2 image of flag of United States United States 18 23.08%
3 image of flag of China China 5 6.41%
4 image of flag of Russian Federation Russian Federation 4 5.13%
5 image of flag of Myanmar Myanmar 4 5.13%
6 image of flag of France France 4 5.13%
7 image of flag of No geo information available No geo information available 2 2.56%
8 image of flag of United Kingdom United Kingdom 2 2.56%
9 image of flag of Denmark Denmark 2 2.56%
10 image of flag of Switzerland Switzerland 2 2.56%
    other countries 11 14.10%

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