Replacing fish meal by food waste in feed pellets to culture lower trophic level fish, containing acceptable levels of organochlorine pesticides: Health risk assessments

文献类型： 外文期刊

第一作者： Cheng, Zhang

作者： Cheng, Zhang;Mo, Wing-Yin;Man, Yu-Bon;Wong, Ming-Hung;Cheng, Zhang;Mo, Wing-Yin;Man, Yu-Bon;Wong, Ming-Hung;Cheng, Zhang;Man, Yu-Bon;Wong, Ming-Hung;Nie, Xiang-Ping;Li, Kai-Bing

作者机构：

关键词： Food waste;Fresh water fish;Bioaccumulation;OCPs;Health risks

期刊名称：ENVIRONMENT INTERNATIONAL （ 影响因子：9.621； 五年影响因子：10.72 ）

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收录情况： SCI

摘要： The present study used food waste (collected from local hotels and restaurants) feed pellets in polyculture of low-trophic level fish [bighead (Aristichtys nobilis), grass carp (Ctenopharyngodon idellus), and mud carp (Cirrhina molitorella)] aiming at producing safe and quality products for local consumption. The results indicated that grass carp (hexachlorocyclohexanes (HCHs) <0.03; dichlorodiphenyltrichloroethanes (DDTs) 1.42-334 ng/g ww) and bighead carp (HCHs < 0.03; DDTs 1.55-2.56 ng/g ww) fed with food waste feed pellets were relatively free of organochlorine pesticides (OCPS). The experimental ponds (water and sediment) were relatively free of OCPs, lowering the possibility of biomagnification of OCPs in the food chains within the ponds. The raw concentrations of OCPs extracted from the fish were not in the bioavailable form, which would ultimately reach bloodstream and exert adverse effects on human body. Health risk assessments based on digestible concentrations are commonly regarded as a more accurate method. The results of health risk assessments based on raw and digestible concentrations showed that the fish fed with food waste feed pellets were safe for consumption from the OCP perspective. (C) 2014 Elsevier Ltd. All rights reserved.

分类号： X

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