Methylmercury and inorganic mercury in Chinese commercial rice: Implications for overestimated human exposure and health risk

Xu, Xiaohang; Han, Jialiang; Pang, Jian; Wang, Xun; Lin, Yan; Wang, Yajie; Qiu, Guangle

doi:10.1016/j.envpol.2019.113706

Cited by 34 publications

(8 citation statements)

References 66 publications

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“…In different groups (children, adult females, and adult males), the NCR and CR of residents' exposure to soil HMs via the three exposure pathways were calculated using MCS (Ginsberg & Belleggia, 2017; Xu et al, 2020). In contrast to adults, children were exposed to a higher NCR and CR, as the mean values of the HI and TCR displayed the order: children>adult females>adult males (Figure 6).…”

Section: Resultsmentioning

confidence: 99%

Heavy metal(loid)s in farmland soils on the Karst Plateau, Southwest China: An integrated analysis of geochemical baselines, source apportionment, and associated health risk

et al. 2022

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The Karst Plateau is characterized by elevated heavy metals (HM), the farmland soils in the Karst Plateau area is especially vulnerable to HM pollution. To cope with soil HM pollution and conduct precaution in Karst Plateau, the key bottleneck is to understand the pollution levels, sources, and priority‐control of HM. Hence, geochemical baselines of HM in farmland soils were established to accurately evaluate the pollution characteristics. Pollution sources were identified with multivariate statistics, geostatistical methods, and receptor models. Priority‐control of HM were distinguished via health assessments with a Monte Carlo simulation. A remarkable accumulation of Pb, Sb, Zn, As, and Cd was observed. Hotspots of As, Cd, Pb, Sb, and Zn clustered in the southwestern region of Hezhang. Pb–Zn related activities, cement product activities, coal mining, and coal combustion were dominant sources. Both noncarcinogenic risk and carcinogenic risk followed the order: children>adult females>adult males. As, Cd, and Pb were found to be priority contaminants in farmland soils in Hezhang.

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Section: Resultsmentioning

confidence: 99%

Heavy metal(loid)s in farmland soils on the Karst Plateau, Southwest China: An integrated analysis of geochemical baselines, source apportionment, and associated health risk

et al. 2022

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“…MMHg isotope analysis is an efficient method for tracking human MMHg exposure sources by linking dietary MMHg intakes directly to human exposures. Although rice is the staple food in the study areas, fishery food intake is still the principal pathway for human MMHg exposure, which implies that the health risk of MMHg exposure via rice consumption should not be overestimated in fish-rich areas . However, in typical Hg-polluted areas, rice may accumulate significant amounts of MMHg from polluted paddy soils .…”

Section: Discussionmentioning

confidence: 99%

“…Although rice is the staple food in the study areas, fishery food intake is still the principal pathway for human MMHg exposure, which implies that the health risk of MMHg exposure via rice consumption should not be overestimated in fish-rich areas. 66 However, in typical Hg-polluted areas, rice may accumulate significant amounts of MMHg from polluted paddy soils. 53 In these areas, the relative contributions of the rice and fishery food intakes to human MMHg exposures that…”

Section: Comparison Of Mmhg and Ihg Isotopementioning

confidence: 99%

Compound-Specific Stable Isotope Analysis Provides New Insights for Tracking Human Monomethylmercury Exposure Sources

Yang

Wang

Qin

et al. 2021

Environ. Sci. Technol.

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Monomethylmercury (MMHg) exposure can induce adverse neurodevelopmental effects in humans and is a global environmental health concern. Human exposure to MMHg occurs predominately through the consumption of fishery foods and rice in Asia, but it is challenging to quantify these two exposure sources. Here, we innovatively utilized MMHg compound-specific stable isotope analyses (MMHg-CSIA) of the hair to quantify the human MMHg sources in coastal and inland areas, where fishery foods and rice are routinely consumed. Our data showed that the fishery foods and rice end members had distinct Δ199HgMMHg values in both coastal and inland areas. The Δ199HgMMHg values of the human hair were comparable to those of fishery foods but not those of rice. Positive shifts in the δ202HgMMHg values of the hair from diet were observed in the study areas. Additionally, significant differences in δ202Hg versus Δ199Hg were detected between MMHg and inorganic Hg (IHg) in the human hair but not in fishery foods and rice. A binary mixing model was developed to estimate the human MMHg exposures from fishery foods and rice using Δ199HgMMHg data. The model results suggested that human MMHg exposures were dominated (>80%) by fishery food consumption and were less affected by rice consumption in both the coastal and inland areas. This study demonstrated that the MMHg-CSIA method can provide unique information for tracking human MMHg exposure sources by excluding the deviations from dietary surveys, individual MMHg absorption/demethylation efficiencies, and the confounding effects of IHg.

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“…Pencemaran merkuri (Hg) yang tinggi sangat mengancam keamanan pangan, karena dapat membahayakan kesehatan manusia sebagai konsumen akhir (Alipour et al, 2015;Harris et al, 2017;Gyamfi et al, 2020;Xu et al, 2020). Seperti yang diungkapkan Simbolon et al, (2010) bahwa sumberdaya ikan dan udang di Teluk Kao telah berada pada tingkat yang membahayakan untuk dikonsumsi.…”

Section: Pertambangan Emas Sebagai Sumber Pencemaran Merkuri (Hg)unclassified

Toksisitas Merkuri (Hg) pada struktur jaringan ikan

Ibrahim¹,

Aris²

2020

e-BDP

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The problem of pollution that occurs in the aquatic environment is getting out of control and causes the degradation of fishery resources which are important for humans. One of the pollutants from industrial activities is heavy metal. There are various kinds of heavy metals, mercury (Hg) is the most dangerous heavy metal. Mercury (Hg) enters directly into the waters through rainwater and leaching the soil and river flows which are then absorbed and metabolized by microorganisms. Mercury (Hg) is difficult to degrade from the body, because mercury (Hg) is actively involved in the food chain. Microorganisms feed molluscs, crustaceans and fish which are a source of protein for humans. Mercury (Hg) toxicity in fish can result in a stress response in fish which results in impaired growth, immune system, and changes in tissue structure. This brief review aimed to enrich the scientific repertoire of the toxicity of mercury (Hg) in fish and its effects on humans. This review was a non-experimental research by conducting research around the literature

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Methylmercury and inorganic mercury in Chinese commercial rice: Implications for overestimated human exposure and health risk

Cited by 34 publications

References 66 publications

Heavy metal(loid)s in farmland soils on the Karst Plateau, Southwest China: An integrated analysis of geochemical baselines, source apportionment, and associated health risk

Heavy metal(loid)s in farmland soils on the Karst Plateau, Southwest China: An integrated analysis of geochemical baselines, source apportionment, and associated health risk

Compound-Specific Stable Isotope Analysis Provides New Insights for Tracking Human Monomethylmercury Exposure Sources

Toksisitas Merkuri (Hg) pada struktur jaringan ikan

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