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Estimation of methylmercury intake from the 2007 Chinese Total Diet Study

Methylmercury intake for adult males of twelve provinces in China was estimated by means of the 2007 Chinese Total Diet Study. Methylmercury levels were measured in twelve food groups of each province of four regions and was only found in the aquatic food groups. The range for methylmercury contents...

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Bibliographic Details
Published in:Food additives & contaminants Part B, Surveillance communications Surveillance communications, 2010-12, Vol.3 (4), p.236-245
Main Authors: Shang, X.H, Li, X.W, Zhang, L, Zhao, Y.F, Wu, Y.N
Format: Article
Language:English
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Summary:Methylmercury intake for adult males of twelve provinces in China was estimated by means of the 2007 Chinese Total Diet Study. Methylmercury levels were measured in twelve food groups of each province of four regions and was only found in the aquatic food groups. The range for methylmercury contents of aquatic foods was 3.29-31.60 µg kg-1, being 50-87% of total mercury. Methylmercury intakes from aquatic foods for adult males of twelve provinces ranged from 0.003 to 0.138 µg kg-1 bw week-1 with average of 0.041 µg kg-1 bw week-1, which were estimated according to methylmercury contents and corresponding aquatic food consumption. Methylmercury intakes for the Chinese population were far below the corresponding provisional tolerable weekly intake (PTWI), which was established by the Joint FAO/WHO Expert Committee on Food Additives (JECFA). Consequently, there was little health risk from methylmercury exposure for the average Chinese population.
ISSN:1939-3210
1939-3229
DOI:10.1080/19393210.2010.515039