Chlorophenols in marine organisms from the southern coast of Hangzhou Bay, China, and an assessment of risks posed to human health -- Journal of Oceanology and Limnology,2018,36(3):726-737

	Cite this paper:
	ZHENG Dan, JIAO Haifeng, ZHONG Huiying, QIU Jishi, YAN Xiaojun, DUAN Qingyuan, CHAI Liyue. Chlorophenols in marine organisms from the southern coast of Hangzhou Bay, China, and an assessment of risks posed to human health[J]. Journal of Oceanology and Limnology, 2018, 36(3): 726-737

Chlorophenols in marine organisms from the southern coast of Hangzhou Bay, China, and an assessment of risks posed to human health

ZHENG Dan^1,2, JIAO Haifeng^1,2, ZHONG Huiying², QIU Jishi², YAN Xiaojun¹, DUAN Qingyuan², CHAI Liyue²

1 School of Marine Science, Ningbo University, Ningbo 315211, China;
2 Ningbo Academy of Oceanology and Fishery, Ningbo 315010, China

Abstract:

The composition of chlorophenols in marine organisms from the southern coast of Hangzhou Bay, China, was analyzed and the health risks posed to humans assessed. A total of 19 chlorophenols from 16 types of marine organism were analyzed across nine survey sections in Hangzhou Bay. The chlorophenols were analyzed by gas chromatography-mass spectrometry using a DB-5MS quartz capillary column. The concentrations of monochlorophenol, dichlorophenol, trichlorophenol, tetrachlorophenol, and pentachlorophenol ranged from below the detection limit (ND) to 132 μg/kg, ND-51.0 μg/kg, ND-42.5 μg/kg, ND-69.0 μg/kg, and ND-9.06 μg/kg, respectively. Additionally, concentration differences between each type of chlorophenol were not significant (P>0.05). However, significant differences were found between monochlorophenol (F=8.13, P<0.01) and total chlorophenol (F=5.19, P<0.01) concentrations. As the noncarcinogenic risk indices were <0.1 (10^-5-10^-2) for all of the organisms, no high risk was posed by 2-chlorophenol, 2,4-dichlorophenol, 2,4,6-trichlorophenol, 2,4,5-trichlorophenol, 2,3,4,6-tetrachlorophenol, and pentachlorophenol to humans consuming marine organisms from the study area. Furthermore, the carcinogenic risks posed by 2,4,6-trichlorophenol and pentachlorophenol were lower than limits set by the International Commission on Radiological Protection and the US Environmental Protection Agency. However, the noncarcinogenic and carcinogenic risks posed by chlorophenols in marine organisms from four of the survey sections (Sizaopu, Niluoshan, Longshan Town and Xinhong zha) were higher than the other survey sections.

Key words: Hangzhou Bay|chlorophenols|marine organisms|health risk

Received: 2017-02-16 Revised:

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Articles by CHAI Liyue

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