Metals and metalloid in eight fish species consumed by citizens of Bogota D.C., Colombia, and potential risk to humans
Metals and metalloid in eight fish species consumed by citizens of Bogota D.C., Colombia, and potential risk to humans
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DOI：
10.1080/15287394.2016.1149130
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发表时间：
2016-03-03
影响因子：
2.6
通讯作者：
Barragan-Gonzalez, Rafael G.
中科院分区：
文献类型：
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作者：
Anne Lopez-Barrera, Ellie;Barragan-Gonzalez, Rafael G.
消费被金属和类金属污染的食品给社会带来的风险是一个环境问题，这是由于哥伦比亚目前正在进行的采矿活动越来越多。目前研究的目的是确定浓度的汞（Hg），铅（Pb），镉（Cd），和非金属砷（As）中发现的最消费的鱼类物种的波哥大特区（哥伦比亚）的公民，随之而来的潜在风险对人类健康的计算。从2014年收集的203个个体中获得了8种鱼类的肌肉样本。重金属含量最高的是虹鳟鱼（0.0595 mg/kg）中的Pb，油鲶（0.0072 mg/kg）中的Cd和Hg，马鲛（0.0471 mg/kg）中的As。此外，利用金属污染指数（MPI）计算了鱼类消费的金属积累水平，在Pseudoplatystoma sp.（0.06 mg/kg）中观察到的值较高，其次是Scomberomorus sp.和Centropomus sp.（分别为0.05和0.04 mg/kg）。多物种暴露指数（E-m.j）表示与食用各种受污染鱼类相关的暴露水平，该水平按以下顺序递减：As > Pb > Cd > Hg。多种化学品接触指数（E-j.m）说明了对多种金属的接触情况，将Prochilodus属确定为每次消费接触水平最高的物种（8 x 10（-6）mg/kg-d）。人类健康的目标危害商数（THQ）表明，在Prochilodus sp.（分别为0.026和0.005），铅在虹鳟属（0.025），并在Pseudoplatistoma sp.和Centropomus sp.（0.023）中的汞和镉的高水平。数据强调，有必要制定适当的全国性公共政策，促进评估与哥伦比亚不同鱼类的饮食消费有关的接触水平和潜在的不利健康风险。
The risk imposed upon society by consumption of foods contaminated with metals and metalloids is an environmental problem attributed to the increasing number of mining extraction activities currently underway in Colombia. The aim of the current study was to determine concentrations of mercury (Hg), lead (Pb), cadmium (Cd), and a metalloid arsenic (As) found in the species of most consumed fish species by citizens of Bogota D.C. (Colombia), and the consequent potential risk to human health was also calculated. Muscle samples of 8 fish species were obtained from 203 individuals collected through 2014. The highest metal concentrations detected were as follows: Pb in Oncorhynchus sp. (0.0595 mg/kg), Cd and Hg in Pimelodus sp. (0.0072 and 0.0579 mg/kg, respectively), and As in Scomberomorus sp (0.0471 mg/kg). Further, the levels of metal accumulation from consumption of fish were calculated utilizing the metal pollution index (MPI), with elevated values noted in Pseudoplatystoma sp (0.06 mg/kg), followed by Scomberomorus sp. and Centropomus sp. (0.05 and 0.04 mg/kg, respectively). The multiple species exposure index (E-m.j) denotes the level of exposure associated with consumption of various contaminated fish species, and this level occurred in decreasing order as follows: As > Pb > Cd > Hg. The multiple chemical exposure index (E-j.m), which accounts for exposure to multiple metals, identified Prochilodus sp. as the species displaying the highest level of exposure per consumption (8 x 10(-6) mg/kg-d). The target hazard quotient (THQ) for human health indicated high levels for Hg and Cd in Prochilodus sp. (0.026 and 0.005, respectively), Pb in Oncorhynchus sp (0.025), and As in Pseudoplatistoma sp. and Centropomus sp. (0.023). Data emphasize the need for adequate nationwide public policies that promote assessment of exposure levels and potential adverse health risks associated with dietary consumption of different fish species in Colombia.