ArticleEnvironmental geochemistry and health2026
Arsenic (As) and Lead (Pb) in soils of Shirak region (Armenia): distribution patterns, soil-to-potato transfer and dietary risk assessment.
Article in Environmental geochemistry and health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Recent findings on the toxicity of arsenic (As) and lead (Pb) have led to lowered reference values for these elements. This study aims to investigate As and Pb contents and spatial distribution patterns in soils from the Shirak region (Armenia), their contents in potato skin and flesh, the soil-to-potato transfer, and assess the dietary health risks. Arsenic and Pb contents in soils were determined using XRF, while potato samples by ICP-MS. The spatial distribution patterns of soil As (mean-15.1 mg/kg) and Pb (mean-12.5 mg/kg) contents varied widely at the regional level, influenced by both geology and anthropogenic factors. Three distinct subsamples distributed across the region were identified and a significant positive correlation between As and Pb was observed in each subsample. As and Pb contents in the potato tuber skin (mean: 0.226 and 0.093 μg/kg) were greater than in the tuber flesh (mean: 0.098 and 0.036 μg/kg) respectively. The transfer factors indicated low As and Pb bioaccumulation in potato. The estimated daily intake (EDI) values for iAs and Pb (1.24 × 10
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