Estimated Dietary Intake of Trace Metals from Swordfish Consumption: A Human Health Problem

Barone, Grazia; Dambrosio, Angela; Storelli, Arianna; Garofalo, Rita; Busco, V.P.; Storelli, Maria Maddalena

doi:10.3390/toxics6020022

Cited by 42 publications

(22 citation statements)

References 27 publications

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“…Moreover, the culinary treatments leading to change of essential/toxic element bioaccessibility can contribute to increasing the uncertainty of estimated exposure levels [ 62 ]. However, the principal uncertainty in our dataset arises from the lack of information about the size of swordfish, Atlantic bluefin tuna, and albacore because it is well known that there is a direct link between fish size and the presence of mercury, especially in top predatory fish [ 63 , 64 ].…”

Section: Resultsmentioning

confidence: 99%

Levels of Mercury, Methylmercury and Selenium in Fish: Insights into Children Food Safety

Barone

Storelli

Meleleo

et al. 2021

Toxics

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Total mercury (THg), methylmercury (MeHg), and selenium (Se) concentrations were measured in various commercially important fish species. The benefit–risk binomial associated with these chemicals was assessed in children through the probability of exceeding the provisional tolerable weekly intakes (PTWIs) of the contaminants and the Se recommended dietary allowance (RDA). The Se:Hg molar ratios, selenium health benefit values (HBVSe), and monthly consumption rate limits (CRmm) for each species were also calculated. THg and Se were analyzed by atomic absorption spectrophotometer (Shimadzu, Milan, Italy), while MeHg was determined by Trace Ultra gas chromatograph connected with a PolarisQ MS (Thermo Fisher Scientific, Waltham, MA, USA). None of the analyzed fish had Hg levels above the European Community regulatory limits, while most large predators had MeHg levels over the threshold concentration set by US EPA. The estimated weekly intakes of THg and MeHg exceeded in many cases the PTWIs and the Se estimated daily intakes were provided from 0.71% to 2.75% of the RDA. Se:Hg molar ratios above 1 and positive HBVSe index suggested that Se in fish could be enough to alleviate the potential toxic effect of Hg. However, high-risk groups as children should consume fish in moderation because a large consumption pattern, especially of swordfish and tunas, might be of concern for health.

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Section: Resultsmentioning

confidence: 99%

Levels of Mercury, Methylmercury and Selenium in Fish: Insights into Children Food Safety

Barone

Storelli

Meleleo

et al. 2021

Toxics

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“…La contaminación por elementos potencialmente tóxicos (EPT´s) en ecosistemas acuáticos es un serio problema a nivel global debido a su efecto en la salud humana y en la fauna silvestre (Alofs et al, 2014;Barone et al, 2018). El metilmercurio (MeHg) es considerado como EPT y puede llegar a los ecosistemas acuáticos desde fuentes antrópicas como la minería aurífera, ocasionando efectos adversos debido a su alta toxicidad (González et al, 2015).…”

Section: Introductionunclassified

Concentraciones de metilmercurio en Prochilodus magdalenae (Teleostei: Curimatidae) y Hoplias malabaricus (Teleostei: Erythrinidae) en la cuenca baja del río Cauca-Magdalena, norte de Colombia

Cruz-Esquivel¹,

Negrete²

2021

Acta biol. Colomb.

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Las emisiones de mercurio (Hg) a partir de actividades de minería afectan los recursos pesqueros, los cuales son importantes en la alimentación proteínica de las poblaciones humanas. El objetivo de este estudio fue analizar las concentraciones de MeHg (metilmercurio) en Prochilodus magdalenae (Bocachico) y Hoplias malabaricus (Moncholo) en hábitats continentales de la región de La Mojana y en la parte baja del río Cauca (Norte de Colombia), sitios que han sido afectados por actividades de minería aurífera. Un total de 160 ejemplares fueron colectados para su respectivo análisis, 130 en el grupo expuesto: Mojana 1 (n=36), Mojana 2 (n=56) y El Bajo Cauca (n=38), y n=30 en el grupo control. Se realizaron las determinaciones de MeHg mediante análisis directo con un Analizador Directo de Mercurio DMA 80, cromatografía líquida y espectrometría de absorción atómica. Las concentraciones de MeHg encontradas en muestras de tejido del músculo dorsal de los peces procedentes de los lugares expuestos, fueron significativamente mayores comparados con el grupo control (p< 0.05), siendo la región del Bajo Cauca la más afectada por altas concentraciones de MeHg. Los resultados indican que la presencia de MeHg en los peces es consecuencia de las actividades de minería aurífera ampliamente desarrolladas en la zona. Estas concentraciones MeHg representan un riesgo mortal para la salud humana y animal.

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“…For instance, heavy metals such as Zn, Cu, Mn and Fe are considered essential components for biochemical reactions in the bod; however, they can reportedly affect human metabolism at high concentration [17,18]. Hg, Pb, Cd, Ni and As are toxic and are regarded as biologically nonessential [19,20]. These toxic elements could reach the human body through various absorption pathways, such as ingestion, dermal contact, diet using a soil-food chain, oral intake, and inhalation, and cause various diseases or disorders [3,21,22].…”

Section: Introductionmentioning

confidence: 99%

Assessment of heavy metal concentration in ipomoea batatas and spinach consumed in Zanzibar by Energy Dispersive X-ray Fluorescence (EDXRF)

salum¹,

suleiman

Kimaro³

et al. 2021

Braz. J. Rad. Sci.

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This work aimed to assess the levels of heavy metal concentration in ipomoea batatas and spinach associated with uncontrolled municipal waste, motor vehicles fumes, pesticides and fertilizer in the urban west region, in Zanzibar. Twenty samples were randomly collected in local markets and three farms located along a roadside in the urban west region. The samples were analysed using an energy dispersive X-ray fluorescence method at Tanzania Atomic Energy Commission in Arusha. Essential and toxic elements: Mn, Cu, Fe, As, Zn, Pb, and Ni were detected in both ipomoea batatas and spinach. Ipomoea batatas was found to have a higher concentration of Cr, Fe, Cd and Zn while spinach had a higher concentration of Ni, Cr and Zn. The essential elements concentrations of vegetables analysed in the current study were found within safety baseline levels for human consumption. However, the concentration levels of toxic elements were above FAO/WHO permissible limits. The higher concentration levels of toxic elements in ipomoea batatas and spinach might be associated with contamination of municipal waste, chicken manure, motor vehicles fumes or pesticides. Therefore, vegetable cultivation along a roadside in the urban west region in Zanzibar and the use of fertilizer and chicken manure in vegetables introducing high levels of heavy metals in the food chain.

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Estimated Dietary Intake of Trace Metals from Swordfish Consumption: A Human Health Problem

Cited by 42 publications

References 27 publications

Levels of Mercury, Methylmercury and Selenium in Fish: Insights into Children Food Safety

Levels of Mercury, Methylmercury and Selenium in Fish: Insights into Children Food Safety

Concentraciones de metilmercurio en Prochilodus magdalenae (Teleostei: Curimatidae) y Hoplias malabaricus (Teleostei: Erythrinidae) en la cuenca baja del río Cauca-Magdalena, norte de Colombia

Assessment of heavy metal concentration in ipomoea batatas and spinach consumed in Zanzibar by Energy Dispersive X-ray Fluorescence (EDXRF)

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