ArticleEnvironmental geochemistry and health2023
Trace elements in farmland soils and crops, and probabilistic health risk assessment in areas influenced by mining activity in Ecuador.
Article in Environmental geochemistry and health, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 27 citations in OpenAlex.
- Evaluating the Influence of Food Trade on Human Exposure to Heavy Metals via Crops in China.Toxics · 2026Article
- Human health risks of potentially toxic elements in the soil-crop system of a coal mining area, Moatize, Mozambique.Environmental monitoring and assessment · 2026Article
- Effect of strategic nutrient reduction and exogenous enzyme supplementation on mineral and energy balance in growing pigs.Animal bioscience · 2026Article
- Proposal for a framework for environmental zoning of areas near gold mines based on the distribution of potentially toxic elements, pollution indices, and bioindicators: a case study in Antioquia, Colombia.Environmental monitoring and assessment · 2024Article
- Occupational, environmental, and toxicological health risks of mining metals for lithium-ion batteries: a narrative review of the Pubmed database.Journal of occupational medicine and toxicology (London, England) · 2024Review
- Effect of fertilization on the accumulation and health risk for heavy metals in native Andean potatoes in the highlands of Perú.Toxicology reports · 2024Article
- Article
- Dataset of metals and metalloids in food crops and soils sampled across the mining region of Moquegua in Peru.Scientific data · 2023Article
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Authors and funding
7 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Consumption of food grown in contaminated soils may be a significant human exposure pathway to pollutants, including toxic elements. This study aimed to investigate the pollution level of trace elements in farmland soil and crops collected in orchards from Ponce Enriquez, one of the Ecuador's most important gold mining areas. The concentration of arsenic (As), cadmium (Cd), chrome (Cr), copper (Cu), nickel (Ni), lead (Pb), and zinc (Zn) was analyzed in soil and crop samples (celery, chives, corn, herbs, lettuce, turnips, green beans, cassava, and carrots). In addition, a probabilistic human health risk assessment, in terms of hazard quotients (HQ) and cancer risk (CR), was conducted to assess the potential risk related to local crop ingestion. The contents of As, Cr, Cu, and Ni in soils exceeded the Ecuadorian quality guidelines for agricultural soils. The trace elements concentration in local crops was higher than the maximum permissible levels set by the Food and Agriculture Organization of the United Nations (FAO). The HQ and CR of local crop ingestion were several orders higher than the safe exposure threshold, mainly for lettuce, chives, and turnips. Our results revealed that inhabitants of the study area are exposed to developing carcinogenic and non-carcinogenic effects due to long-term food consumption with high trace elements. This study sheds light on the need to assess further the quality of agricultural soils and crops grown in mining areas with signs of contamination to guarantee consumer food safety.
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