Mercury in food items from the Idrija Mercury Mine area

Miklavčič, Ana; Mazej, Darja; Jačimović, Radojko; Dizdareviǒ, Tatjana; Horvat, Milena

doi:10.1016/j.envres.2013.02.008

Cited by 39 publications

(20 citation statements)

References 25 publications

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“…We estimated probable weekly intake (PWI) of mercury by residents who rely on locally produced produces using Equations (1) and (2) described by Miklavčič22. The 95 th percentile of mercury concentrations found in vegetable and grain samples were used in the calculation22.…”

Section: Resultsmentioning

confidence: 99%

“…The 95 th percentile of mercury concentrations found in vegetable and grain samples were used in the calculation22. In China, most farmers produce and consume their own vegetables, fruits, grains, and meats because of higher costs for grocery store products and also poor transportation accessibility49.…”

Section: Resultsmentioning

confidence: 99%

“…In China, most farmers produce and consume their own vegetables, fruits, grains, and meats because of higher costs for grocery store products and also poor transportation accessibility49. We therefore assume that the residents around coal-fired power plants obtain more than 95% of their food (vegetables, grains and meats) derived from their polluted farmland, and this assumption has been also used in other studies22242527. Our calculations were based on the 95 th percentile of Hg concentration, that were 71 ng/g FW for vegetables and 62 ng/g FW for rice samples.…”

Section: Resultsmentioning

confidence: 99%

“…Other researchers have investigated mercury concentrations in vegetables and grains cultivated near various sources of mercury pollutions, including mercury mines2223, zinc plants24, fluorescent lamp factories25, geothermal power plants26, chlor-alkali plants27, industrial zones28, coal mines29, and oil wells30. It has also been reported that vegetables and grains from coal or mercury mining regions are heavily contaminated with mercury.…”

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confidence: 99%

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Mercury pollution in vegetables, grains and soils from areas surrounding coal-fired power plants

Ding

et al. 2017

Sci Rep

151

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Mercury contamination in food can pose serious health risks to consumers and coal-fired power plants have been identified as the major source of mercury emissions. To assess the current state of mercury pollution in food crops grown near coal-fired power plants, we measured the total mercury concentration in vegetables and grain crops collected from farms located near two coal-fired power plants. We found that 79% of vegetable samples and 67% of grain samples exceeded the PTWI’s food safety standards. The mercury concentrations of soil samples were negatively correlated with distances from the studied coal-fired power plants, and the mercury contents in lettuce, amaranth, water spinach, cowpea and rice samples were correlated with the mercury contents in soil samples, respectively. Also, the mercury concentrations in vegetable leaves were much higher than those in roots and the mercury content of vegetable leaves decreased significantly after water rinses. Our calculation suggests that probable weekly intake of mercury for local residents, assuming all of their vegetables and grains are from their own farmland, may exceed the toxicologically tolerable values allowed, and therefore long-term consumptions of these contaminated vegetables and grains may pose serious health risks.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

mentioning

confidence: 99%

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Mercury pollution in vegetables, grains and soils from areas surrounding coal-fired power plants

Ding

et al. 2017

Sci Rep

151

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“…Idrija is situated in a narrow valley, 60 km west of the capital city Ljubljana, Slovenia (1). The concentrations of total mercury (THg) in soil samples taken in the 160-km 2 area influenced by the Idrija mercury mine varied between 3.3 and 973 mg/kg; the maximum permissible concentration (10 mg/kg) set by Slovenian legislation is 19 km 2 (2).…”

Section: Genome Announcementmentioning

confidence: 99%

Draft Genome Sequence of the Mercury-Resistant Bacterium Acinetobacter idrijaensis Strain MII, Isolated from a Mine-Impacted Area, Idrija, Slovenia

et al. 2014

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Effects of Metal-Soil Contact Time on the Extraction of Mercury from Soils

Zhong

2015

Bull Environ Contam Toxicol

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To investigate the mercury aging process in soils, soil samples were spiked with inorganic mercury (Hg(II)) or methylated mercury (MeHg) and incubated for 2, 7, 14 or 28 days in the laboratory. Potential availability of mercury, assessed by bovine serum albumin (BSA) or calcium chloride (CaCl2) extraction, decreased by 2-19 times for Hg(II) or 2-6 times for MeHg, when the contact time increased from 2 to 28 days. Decreased Hg(II) extraction could be explained by Hg(II) geochemical fractionation, i.e., Hg(II) migrated from more mobile fractions (water soluble and stomach acid soluble fractions) to refractory ones (organo-complexed, strongly complexed and residual fractions) over time, resulting in more stable association of Hg(II) with soils. In addition, decrease of mercury extraction was more evident in soils with lower organic content in most treatments, suggesting that organic matter may potentially play an important role in mercury aging process. In view of the significant decreased Hg(II) or MeHg extraction with prolonged contact time, mercury aging process should be taken into account when assessing risk of mercury in contaminated soils.

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Mercury in food items from the Idrija Mercury Mine area

Cited by 39 publications

References 25 publications

Mercury pollution in vegetables, grains and soils from areas surrounding coal-fired power plants

Mercury pollution in vegetables, grains and soils from areas surrounding coal-fired power plants

Draft Genome Sequence of the Mercury-Resistant Bacterium Acinetobacter idrijaensis Strain MII, Isolated from a Mine-Impacted Area, Idrija, Slovenia

Effects of Metal-Soil Contact Time on the Extraction of Mercury from Soils

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