Bekele Tadiyose Girma, Zhao Hongxia, Wang Qingzhi
Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China; Department of Natural Resource Management, Arba Minch University, Arba Minch 21, Ethiopia.
Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China.
J Hazard Mater. 2021 Jan 5;401:123410. doi: 10.1016/j.jhazmat.2020.123410. Epub 2020 Jul 6.
Despite organophosphate esters (OPEs) are ubiquitous in the environment, limited information is available about their tissue-specific accumulation potential in marine fish and exposure risks. Ten fish species from the coastal area of Laizhou Bay, North China, were sampled and analyzed to investigate tissue levels, bioaccumulation, and human exposure risks of 20 OPEs. Seventeen OPEs were detected in fish tissues with total concentration ranging from 6.6-107 ng/g dry weight. The average log bioaccumulation factor (BAF) values of OPEs ranged from 2.8 to 4.4 in livers, 2.3-3.8 in muscles, 2.5-3.9 in gills, and 2.8-4.4 in kidneys. The log BAF values of OPEs significantly increased with increasing their log K values (r = 0.55-0.63, p < 0.001). The estimated daily intake of OPEs ranged from 1.7-12.0 and 3.1-22.1 ng/kg bw/d for rural and urban residents, respectively. The hazard quotients of OPEs were in the range of 4 × 10 to 6.7 × 10 and 7 × 10 to 1.2 × 10 for rural and urban residents, respectively. Results showed that the human health risks of OPEs associated with fish consumption is at low level.
尽管有机磷酸酯（OPEs）在环境中广泛存在，但关于它们在海洋鱼类中的组织特异性积累潜力和暴露风险的信息有限。对来自中国北方莱州湾沿海地区的10种鱼类进行了采样和分析，以研究20种OPEs的组织水平、生物累积和人类暴露风险。在鱼组织中检测到17种OPEs，总浓度范围为6.6 - 107 ng/g干重。OPEs在肝脏中的平均对数生物累积因子（BAF）值范围为2.8至4.4，在肌肉中为2.3 - 3.8，在鳃中为2.5 - 3.9，在肾脏中为2.8 - 4.4。OPEs的对数BAF值随着其对数K值的增加而显著增加（r = 0.55 - 0.63，p < 0.001）。农村和城市居民OPEs的估计每日摄入量分别为1.7 - 12.0和3.1 - 22.1 ng/kg bw/d。农村和城市居民OPEs的危害商数分别在4×10 至6.7×10 和7×10 至1.2×10 的范围内。结果表明，与食用鱼类相关的OPEs对人类健康的风险处于低水平。
