Chen Da, Mai Bixian, Song Jie, Sun Quanhui, Luo Yong, Luo Xiaojun, Zeng Eddy Y, Hale Robert C
Department of Environmental and Aquatic Animal Health, Virginia Institute of Marine Science, The College of William and Mary, Gloucester Point, Virginia 23062, USA.
Environ Sci Technol. 2007 Mar 15;41(6):1828-33. doi: 10.1021/es062045r.
Birds of prey from Northern China (Beijing area) were examined for polybrominated diphenyl ethers (PBDEs). A total of 47 specimens from eight different species were analyzed. Muscle and liver were analyzed separately for each bird. Kidneys were pooled by species. Common kestrels exhibited the highest PBDE levels (mean muscle and liver concentrations of 12300 and 12200 ng/g lipid weight, respectively), with maxima in an individual bird of 31700 in muscle and 40900 ng/g lw in liver. Congener profiles differed between some species, but were generally dominated by the more brominated congeners (e.g., BDE-153, -209, -183, -207). BDE-209 was especially elevated compared to other published reports. Interspecies differences in congener concentrations and profiles may be due to diet, behavior, or biotransformation capacities. BDE-209 was detected in 79.4% of the samples. Common kestrels contained the highest BDE-209 levels (mean/maxima of 2150/6220 in muscle and 2870/12200 ng/g lw in liver). BDE-209 was the dominant congener in tissues from some buzzards, scops owls, and long-eared owls. It was the second most abundant congener in common kestrels. The remarkable levels and dominance of BDE-209 may relate to significant production, usage, or disposal of deca-containing products in China. These observations reinforce the growing view that organisms using terrestrial food chains may have greater exposure to BDE-209.
对来自中国北方(北京地区)的猛禽进行了多溴二苯醚(PBDEs)检测。共分析了来自8个不同物种的47个样本。对每只鸟的肌肉和肝脏分别进行分析。肾脏按物种合并。普通红隼的多溴二苯醚水平最高(肌肉和肝脏的平均浓度分别为每克脂质重量12300纳克和12200纳克),一只个体鸟的肌肉中最高达到31700纳克,肝脏中为每克脂质重量40900纳克。某些物种之间的同系物分布有所不同,但一般以溴化程度更高的同系物为主(如BDE - 153、- 209、- 183、- 207)。与其他已发表的报告相比,BDE - 209的含量尤其高。同系物浓度和分布的种间差异可能归因于饮食、行为或生物转化能力。在79.4%的样本中检测到了BDE - 209。普通红隼的BDE - 209水平最高(肌肉中的平均/最高值为2150/6220,肝脏中为2870/12200纳克/克脂质重量)。BDE - 209是一些秃鹫、角鸮和长耳鸮组织中的主要同系物。它是普通红隼中第二丰富的同系物。BDE - 209的显著含量和主导地位可能与中国含十溴产品的大量生产、使用或处置有关。这些观察结果强化了一种越来越普遍的观点,即利用陆地食物链的生物可能更多地接触到BDE - 209。