Levels and body distribution of polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecanes (HBCDs) in freshwater fishes from the Yangtze River, China.
Levels and body distribution of polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecanes (HBCDs) in freshwater fishes from the Yangtze River, China.
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DOI：
10.1016/j.chemosphere.2007.09.032
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发表时间：
2008-03
期刊：
影响因子：
8.8
通讯作者：
Qiming Xian;K. Ramu;T. Isobe;A. Sudaryanto;Xiao-hua Liu;Zi-shen Gao;Shin Takahashi;Hongxia Yu;S. Tanabe
中科院分区：
文献类型：
--
作者：
Qiming Xian;K. Ramu;T. Isobe;A. Sudaryanto;Xiao-hua Liu;Zi-shen Gao;Shin Takahashi;Hongxia Yu;S. Tanabe
测定了长江下游淡水鱼肌肉、肝脏和卵中多溴联苯醚（PBDEs）和六溴环十二烷（HBCDs）的含量。本研究首次报告了中国环境中的六溴环十二烷浓度。长江淡水鱼肌肉中多溴二苯醚和六溴环十二烷的浓度分别为18 - 1100 ng/g和12 - 330 ng/g脂重（重量），分别与世界其他地区相比，生物群中的多溴二苯醚污染程度可视为中等，而生物群中的六溴环十二烷污染程度相对较高。本研究中鱼类体内的多溴二苯醚同系物分布与世界其他地区的淡水和海水鱼类中观察到的分布明显不同。在本研究中，BDE-15、BDE-28和BDE-47是鱼类体内的主要同系物。长江鱼类体内的这一特殊同系物特征表明，长江三角洲地区可能使用了一种特定的商用多溴二苯醚制剂（可能是中国制造的）。
Polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecanes (HBCDs) were determined in muscle, liver and eggs of freshwater fishes from the lower reach of the Yangtze River, China. The present study is the first to report HBCD concentrations in the environment of China. The concentrations of PBDEs and HBCDs in muscle of freshwater fishes from the Yangtze River ranged from 18 to 1100ng/g and 12 to 330ng/g lipid weight (wt.), respectively. When compared with other regions of the world, the contamination of PBDEs in biota could be regarded as moderate, whereas contamination of HBCDs in biota was relatively high. The PBDE congener profiles in fishes of the present study were markedly different from those observed in freshwater and marine fishes from other regions of the world. In the present study, BDE-15, BDE-28 and BDE-47 were the predominant congeners in the fishes. This particular congener profile in fishes from the Yangtze River revealed that a specific commercial PBDE formulation (probably made in China) might have been used in the Yangtze River Delta region.