期刊
FOOD CONTROL
卷 22, 期 12, 页码 2028-2035出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodcont.2011.05.024
关键词
Polycyclic aromatic hydrocarbons (PAHs); Genotoxic PAHs (PAH8); Grilled and smoked foods and dietary exposure
We investigated the concentrations and profiles of 16 priority polycyclic aromatic hydrocarbons (PAHs) in various grilled and smoked foods and estimated the dietary exposure of Kuwaiti children, adolescent and adult populations. Results indicated that non-carcinogenic PAHs were present at high proportions (60-100%) with phenanthrene showing the highest mean concentration (54.9 mu g kg(-1), 37.1% of the total PAH concentrations). Among the genotoxic PAHs (PAH8), chrysene (4.88 mu g kg(-1), 3.29%) and benz[a] anthracene (2.27 mu g kg(-1), 1.53%) showed the highest mean values. Meat tikka contained the highest mean concentrations of benzo[a]pyrene (BaP) (2.48 mu g kg(-1)), total genotoxic PAHs (42.9 mu g kg(-1)), total PAHs (Sigma PAHs) (648 mu g kg(-1)) and total benzo[a]pyrene equivalents (Sigma BaPeq) (6.02 mu g kg(-1)). High levels of genotoxic PAHs were detected in grilled vegetables (21.1 mu g kg(-1)), shish tauk (20.5 mu g kg(-1)) and whole grilled chicken (20.3 mu g kg(-1)) samples. However, meat and chicken shawerma samples had low levels of PAH8. Meat tikka (437 ng/day, 641 ng/day), whole grilled chicken (160 ng/day, 241 ng/day), grilled vegetables (120 ng/day, 166 ng/day), meat burger (114 ng/day, 92.7 ng/day) were the major contributors to the daily intake of PAH8 in children/adolescent and adult populations, respectively. The total mean dietary intakes for children/adolescents and adults for BaP (8.09 ng/day, 9.20 ng/day), PAH8 (84.2 ng/day, 95.7 ng/day), Sigma PAHs (974 ng/day, 1108 ng/day) and Sigma BaPeq (14.8 ng/day, 16.8 ng/day) were comparable. Cancer risks for Kuwaiti children/adolescents and adults from dietary intake of Sigma BaPeq from the animal-origin foods were determined to be 2.63/10(7) and 9.3/10(7), respectively. (C) 2011 Elsevier Ltd. All rights reserved.
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