ABSTRACT
Seafood is a source of important nutrients, such as high-quality proteins and omega-3 oils, and the health bene ts of eating seafood have been well documented (see Chapter 7). However, some sh are harvested from waters that are exposed to
12.1 Introduction .................................................................................................. 183 12.2 Metals in Seafood ......................................................................................... 184
12.2.1 Lead .................................................................................................. 185 12.2.2 Arsenic .............................................................................................. 185 12.2.3 Mercury ............................................................................................ 186 12.2.4 Organotin .......................................................................................... 187
12.3 Persistent Organic Pollutants ........................................................................ 189 12.3.1 Polychlorinated Biphenyls ................................................................ 189 12.3.2 Organochlorine Pesticides ................................................................ 190
12.3.2.1 The DDT Family (DDT, DDD, and DDE) and HCHs ....... 191 12.3.2.2 Chlordane/Hexachlorobenzene .......................................... 191 12.3.2.3 Dieldrin/Aldrin .................................................................. 192 12.3.2.4 Mirex .................................................................................. 192 12.3.2.5 Toxaphene .......................................................................... 192 12.3.2.6 Chlorpyrifos/Endosulfan ................................................... 193
12.3.3 Polycyclic Aromatic Hydrocarbons and Oil Spills ........................... 193 12.3.4 Radioactive Materials ....................................................................... 194
12.4 Perspectives .................................................................................................. 194 12.4.1 A Holistic Approach to Toxicity Assessment ................................... 194 12.4.2 Risk and Bene ts of Fish Consumption ........................................... 195 12.4.3 Monitoring Seafood Safety ............................................................... 195
References .............................................................................................................. 195
varying amounts of industrial chemicals, pesticides, and toxic elements. Both farmed and wild sh and shell sh have been shown to accumulate a variety of environmental pollutants, such as dioxins, polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), and methylmercury (MeHg) (U.S. EPA 2005).
