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学科主题: 公共卫生
题名:
Dietary Exposure to Short-Chain Chlorinated Paraffins Has Increased in Beijing, China
作者: Harada, Kouji H.1; Takasuga, Takumi2; Hitomi, Toshiaki1; Wang, Peiyu3; Matsukami, Hidenori2; Koizumi, Akio1
刊名: ENVIRONMENTAL SCIENCE & TECHNOLOGY
发表日期: 2011-08-15
DOI: 10.1021/es200576d
卷: 45, 期:16, 页:7019-7027
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Engineering, Environmental ; Environmental Sciences
研究领域[WOS]: Engineering ; Environmental Sciences & Ecology
关键词[WOS]: POLYCHLORINATED N-ALKANES ; ENVIRONMENTAL-SAMPLES ; FOOD ; 1ST
英文摘要:

Short-chain chlorinated paraffins (SCCPs) persist in the environment and bioaccumulate in biota and are under review by the Stockholm Convention on persistent organic pollutants. SCCP levels were measured semiquantitatively in pooled 24 h food composite samples from Chinese (n = 10), Korean (n = 10), and Japanese (n = 40) adults in the 1990s and 2007-2009. In Japan, SCCPs were detected in 14 of 20 pooled samples in the 1990s and 13 of 20 pooled samples in 2009. Between these two time points, the geometric mean (GM) of the dietary intake of total SCCPs per body weight was comparable in Japan (54 ng kg-bw(-1) day(-1) in the 1990s and 54 ng kg-bw(-1) day(-1) in the 2000s). In Beijing, SCCP levels were elevated by 2 orders of magnitude from 1993 to 2009 (GM: 620 ng kg-bw(-1) day(-1) in 2009). The 95th percentile estimate of the dietary intake was 1200 ng kg-bw(-1) day(-1) (>1% of tolerable daily intake). In Seoul, no samples in 1994 contained detectable SCCP levels and only one sample in 2007 showed trace levels of SCCPs. Preliminary evidence on the significant increase in SCCP exposure in Beijing in 2009 warrants urgent investigations to refine dietary intake estimates by targeting food types and source identification.

语种: 英语
所属项目编号: H21-Food-003 ; 1300001
项目资助者: Ministry of Health, Labour and Welfare of Japan ; Special Coordination Funds for Promoting Science and Technology ; Japan Science and Technology Agency
WOS记录号: WOS:000293758400041
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/64647
Appears in Collections:北京大学公共卫生学院_期刊论文

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作者单位: 1.Shimadzu Technores Inc, Kyoto 6048435, Japan
2.Kyoto Univ, Grad Sch Med, Dept Hlth & Environm Sci, Kyoto 6068501, Japan
3.Peking Univ, Sch Publ Hlth, Dept Social Med & Hlth Educ, Beijing 100083, Peoples R China

Recommended Citation:
Harada, Kouji H.,Takasuga, Takumi,Hitomi, Toshiaki,et al. Dietary Exposure to Short-Chain Chlorinated Paraffins Has Increased in Beijing, China[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2011,45(16):7019-7027.
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