Document Detail

Contamination levels and congener distributions of PCDDs, PCDFs and Co-PCBs in several fast foods in Japan.
MedLine Citation:
PMID:  15038114     Owner:  NLM     Status:  MEDLINE    
We determined the concentrations of polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs) and coplanar polychlorinated biphenyls (Co-PCBs) in three types of fast foods [(1) seventeen hamburgers and two hot dogs, (2) six portions of fried potatoes and (3) three chicken products] obtained from fast food shops or convenience stores in Japan. All samples tested showed low toxic equivalent quantity (TEQ) levels of dioxins in the range of 0.001-0.083 pg-TEQ/g wet weight (0.006-0.053 pg-TEQ/g for hamburgers and hot dogs, 0.001-0.083 pg-TEQ/g for fried potatoes and 0.053-0.065 pg-TEQ/g for chicken products). The congener profile in hamburgers and hot dogs suggested that the total TEQ was mainly determined by Co-PCBs, especially by 3,3',4,4',5-PeCB (#126), which accounted for 44% of the total TEQ value. Findings for animal foods such as beef and cheese were consistent with this result. For fried potatoes, PCDD/Fs accounted for 94% of the total TEQ value, and 2,3,4,7,8-PeCDF accounted for 32% of PCDD/Fs. Dioxins in the chicken products consisted of 3,3',4,4',5-PeCB (#126) and 1,2,3,7,8-PeCDD, which accounted for 23% and 21% of the total TEQ, respectively. If an adult (50 kg weight) eats 150 g of hamburger, 100 g of potatoes and 150 g of chicken, the daily intake is estimated to be 0.299 pg-TEQ/kg b.w./day using the average values (0.022, 0.028 and 0.059 pg-TEQ/g, respectively) obtained in this study. This value corresponds to 7.5% of the tolerable daily intake (TDI) for PCDD/Fs and Co-PCBs in Japan.
Yoshiaki Amakura; Tomoaki Tsutsumi; Kumiko Sasaki; Tamio Maitani
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan     Volume:  44     ISSN:  0015-6426     ISO Abbreviation:  Shokuhin Eiseigaku Zasshi     Publication Date:  2003 Dec 
Date Detail:
Created Date:  2004-03-24     Completed Date:  2004-04-08     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0142214     Medline TA:  Shokuhin Eiseigaku Zasshi     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  316-20     Citation Subset:  IM    
National Institute of Health Sciences: 1-18-1, Kamiyoga, Setagaya-ku, Tokyo 158-8501, Japan.
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MeSH Terms
Benzofurans / analysis*
Food Contamination / analysis*
Meat / analysis
Polychlorinated Biphenyls / analysis*
Solanum tuberosum / chemistry
Tetrachlorodibenzodioxin / analogs & derivatives*,  analysis*
Reg. No./Substance:
0/Benzofurans; 0/Polychlorinated Biphenyls; 0/polychlorodibenzo-4-dioxin; 132-64-9/dibenzofuran; 1746-01-6/Tetrachlorodibenzodioxin

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