Polychlorinated dibenzo-p-dioxin and dibenzofuran concentrations in common fish species in the Pearl River Delta area, China
- 作者：Jianqing Zhang ; Jian Zhou ; Yousheng Jiang ; Jie Jiang ; Zhixiong Zhuang ; Xiaoli Liu ; Yongning Wu
- 关键词：Pearl River Delta ; Fish ; PCDDs ; PCDFs ; Contamination level
- 刊名：Chemosphere
- 出版年：2007
- 期刊代码：15_00456535
- 类别：env
- 出版时间：January 2007
- 卷：66
- 期：2
- 页码：199-202
- 文件大小：152 K
摘要
Polychlorinated dibenzo-p-dioxin and dibenzofuran (PCDD/Fs) concentrations in 31 fish samples from 19 commonly consumed freshwater and saltwater species from the Pearl River Delta Area were analyzed. The PCDD/Fs dietary intake from fish for the local population was evaluated to provide a database for setting the national PCDD/F limits in fish for the People’s Republic of China.
The median concentration from the 31 fish samples was 1.27 pg/g wet weight for the total of PCDD/Fs, and the median WHO-TEQ was 0.26 pg/g wet weight, and ranged from 0.063 to 1.30 pg WHO-TEQ/g wet weight. The dominant contributors to the WHO-TEQ were 1,2,3,7,8-PeCDD and 2,3,4,7,8-PeCDF, which accounted for 38%and 28%, respectively. The dietary intake of PCDD/Fs from fish for local people was estimated to be 0.47 pg WHO-TEQ/kg bw · day. In view of the findings, the dietary of PCDD/Fs from other foods of animal origins in China should be studied in more detail as soon as possible in order that standards can be put forward to protect human health.