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 The major research interests were oriented on following aspects: (1) The ecotoxicity of environmental pollutants in fresh water bodies, namely the genotoxicity and endocrine disruptive potentials. (2) The association of gene polymorphisms in Chinese population with the response towards the exposure to chemical environmental pollutants.
Pricipal Investigator: Jian-Hua Shen, Professor. Email: jhshen@sippe.ac.cn
Staff: Guo-Fang Lin, Technician
The Occurrence of Polycyclic Aromatic Hydrocarbons in Peking Duck: the Relevancy to Food Safety Assessment
Peking duck (also called Peking roast duck) is one of the most well-known dishes of Chinese cuisine. Traditionally, Peking duck is roasted either in a closed oven (Men-lu, the ducks were roasted in a closed oven preheated by fire of herbaceous plant stalk.) or in a hung oven (Gua-lu, the ducks were hung on hooks directly above the flame and roasted).
Nineteen different PAH compounds, including 14 EU priority PAHs plus 5 relatively simpler PAHs were included in the chemical analyses.
The GC-MS analysis revealed that benzo(a)pyrene alone or the total amount of major PAHs with carcinogenic potentials to humans in the skin part of Peking duck samples prepared by Hung-oven procedure reached the level of 8.7 and 54.7 μg/kg, respectively. While the skin sample from the ducks roasted by electricity heating (as a control) displayed a quite different situation: most of the PAHs were hardly to be detected at a meaningful level (〈1μg/kg). The contents of different PAHs in the duck samples prepared by closed oven technique were found between those of hung oven roasting and those of electricity heating.
The PAHs levels in Peking duck samples cooked by hung oven procedure highly exceeded those found in the grilled poultry in European countries. However, the intake of benzo(a)pyrene from a Peking duck meal (about 0.65 μg) was not higher than the daily intake for the residents in the same area from the vegetable alone consumption (about 2 μg/day). Since Peking duck is still not a plebeian meat in this country, people would not take it very often.
Publications:
Chen JG, Lin GF, Chen YG, Jia CG, Zhou YS, Meng H, Guo WC, Golka K, Liu KJ, Shen JH*. (2008) Arseniasis prevalence and mortality in a multiethnic, endemic township in Guizhou, China. Int Arch Occup Environl Health 82: 499-508. Chen JG, Chen YG, Zhou YS, Lin GF, Li XJ, Jia CG, Guo WC, Du H, Lu HC, Meng H, Zhang XJ, Golka K, Shen JH*. (2007) A follow-up study of mortality among the arseniasis patients exposed to indoor combustion of high arsenic coal in Southwest Guizhou Autonomous Prefecture, China. Int Arch Occup Environl Health 81: 9-17. Lin GF, Du H, Chen JG, Lu HC, Kai JX, Zhou YS, Guo WC, Zhang XJ, Lu DR, Golka K, Shen JH*. (2007) Glutathione S-transferases M1 and T1 polymorphisms and arsenic content in hair and urine in two ethnic clans exposed to indoor combustion of high arsenic coal in Southwest Guizhou, China. Arch Toxicol 81: 545-551. Kellen E, Hemelt M, Broberg K, Golka K, Kristensen VN, Hung RJ, Matullo G, Mittal RD, Porru S, Povey A, Schulz WA, Shen JH, Buntinx F, Zeegers MP, Taioli E. (2007) Pooled Analysis and Meta-analysis of the Glutathione S-Transferase P1 Ile 105Val Polymorphism and Bladder Cancer: A HuGE-GSEC Review. Am J Epidemol 165: 1221-1230. Wu JY, Xu QP, Gao G, Shen JH*. (2006) Evaluating genotoxicity associated with microcystin-LR and its risk to source water safety in Meiliang Bay, Taihu Lake. Environ Toxicol. 21: 250-255. Lin GF, Du H, Chen JG, Lu HC, Guo WC, Meng H, Zhang TB, Zhang XJ, Lu DR, Golka K, Shen JH*. (2006) Arsenic-related skin lesions and glutathione S-transferase P1 A 7578G(I le705Val) polymorphism in two ethnic clans exposed to indoor combustion of high arsenic coal in one village. Pharmacogenet Genomics 16: 863-871. Wu JY, Xu QJ, Gao G, Shen JH*. (2006) Evaluating genotoxicity associated with microcystin-LR and its risk to source water safety in Meiliang Bay, Taihu Lake. Environ Toxicol 21: 250-255. Tong Y, Lin GF, Ke X, Liu FP, Zhu GW, Gao G, Shen JH*. (2005) The comparison on microbial population between two shallow fresh water lakes in Yangtze basin, East China. Chemosphere 60: 85-92.
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