http://dx.doi.org/10.1007/s11426-014-5309-2">
 

Document Type

Journal Article

Department/Unit

Department of Chemistry

Title

Risk assessment of dietary exposure to PCDD/Fs, DL-PCBs and NDL-PCBs of Hong Kong resident

Language

English

Abstract

© 2015 Science China Press and Springer-Verlag Berlin Heidelberg. Concentrations of PCDD/Fs, dioxin-like PCBs as well as six indicator PCBs were determined in animal origin foods collected from Hong Kong retail market during 2008-2010. The dietary intake of an average Hong Kong adult resident was estimated to be 0.806-0.833 pg WHO-TEQ kg-1 b.w. d-1 of dioxin-like compounds, lower than the tolerable daily intake introduced by WHO. The 95th percentile consumer were exposed by dietary at the level of 2.72 to 2.81 pg WHO-TEQ kg-1 b.w. d-1 or 81.6-84.3 pg WHO-TEQ kg-1 b.w. month-1, higher than 70 pg WHO-TEQ kg-1 b.w. month-1. DL-PCBs contributed 49.2% of total TEQ intake. The daily intake of indicator PCB was 2.83 ng kg-1 b.w. d-1. Approximately 2/3 of dietary intake of dioxin-like compounds came from sea food products. Ten brands of infant formula products were tested and the potential dietary intake of formula-fed infants of Hong Kong was estimated to be 1.46-1.58 pg WHO-TEQ kg-1 b.w. d-1 during 1st month and decreases afterwards.

Keywords

dietary intake, food, PCBs, PCDD/Fs

Publication Date

2015

Source Publication Title

Science China Chemistry

Volume

58

Issue

6

Start Page

1082

End Page

1088

Publisher

Springer Verlag

ISSN (print)

16747291

ISSN (electronic)

18691870

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