期刊
TOXICOLOGY
卷 248, 期 1, 页码 25-32出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.tox.2008.03.006
关键词
polybrominated diphenyl ethers (PBDES); foodstuffs; dietary intake; Catalonia; Spain
The mean concentrations of polybrominated diphenyl ethers (PBDEs) (sum tetra- to octaBDEs) were determined in samples of foodstuffs widely consumed by the population of Catalonia, Northeast Spain. The following six tetra-through heptabrominated congeners were also individually analyzed: PBDEs 47, 99, 100, 153, 154 and 183. Food samples were randomly acquired in 12 cities of Catalonia between March and June of 2006. The dietary intake of PBDEs was estimated for the population of this region. In order to determine the temporal trend on the exposure to PBDEs through the diet, the results were compared with those of a previous survey performed during 2000. The highest concentration of total PBDEs was found in fish and shellfish (563.9 ng/kg of wet weight), followed by oils and fats (359.3 ng/kg ww), and bakery products (98.8 ng/kg ww). Among six individually analyzed congeners, for most food groups BDE-47 and BDE-99 showed the highest levels. The dietary intake of PBDEs for a standard male adult of 70 kg body weight was 75.4 ng/day (or 1.1 ng/kg body weight/day, assuming ND = LOD/2). On a body weight basis, it means a decrease of 23% with respect to the daily intake of the 2000 survey (97.3 ng/day or 1.4 ng/kg/body weight/day). Finally, the current PBDE intake is compared with the results of recent studies on the dietary intake of PBDEs performed in various European, North American, and Asian countries. (C) 2008 Elsevier Ireland Ltd. All rights reserved.
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