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Seafood. Chapter 27. Shrimp Tuna Salmon Pollock Tilapia. Catfish Crab Cod Clams Scallops. Most Popular Fish. Consumption Trends. USDA Per Capita Annual Disappearance Data 16 pounds Fish and Shellfish 62 pounds Beef 60 pounds Chicken 47 pound Pork. Composition and Nutritive Value.
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Seafood Chapter 27
Shrimp Tuna Salmon Pollock Tilapia Catfish Crab Cod Clams Scallops Most Popular Fish
Consumption Trends • USDA Per Capita Annual Disappearance Data • 16 pounds Fish and Shellfish • 62 pounds Beef • 60 pounds Chicken • 47 pound Pork
Composition and Nutritive Value • Many types of fish • Lower in fat and cholesterol • High in omega-3 fatty acids • Shrimp is comparatively high in cholesterol
Fin Fish Flat Round Shellfish Mollusks Crustaceans Fat or Lean Fish Fresh or Saltwater Fish Classification
Mollusks • Soft structure, enclosed in hard shell • Univalves • Abalone and conch • Bivalves • Oysters, clams, mussels, and scallops • Cephalopods • Octopus and squid
Crustaceans • Segmented bodies covered with a crust-like shell • Shrimp • Lobster • Crabs
Market Forms • Fresh or Frozen • Fish • Whole, drawn, dressed, steaks, fillets, butterfly fillet, sticks • Shellfish • In shell • Shucked • Headless • Cooked, frozen, live
Seafood Harvest and Aquaculture • Wild caught • Harvested from oceans, rivers, and lakes • Aquaculture • Fish farming • Sustainability • Consideration of long-term ecosystem • Fish Watch, NOAA
Government Regulations • Inspection - FDA • FDA mandatory oversight • Office of Seafood • National Shellfish Sanitation Program • HACCP systems required • Grading • NOAA • Voluntary inspection and grading
Buying Fish and Shellfish • Assess retailer • Cleanliness • No “fishy” odor • Shell fish tags
Fresh Fish • Fresh Fish • Firm flesh • Stiff body • Tight scales • Red gills • Eyes – bright and unsunken • Little or no slim • “Fresh ocean breeze” scent
Frozen Fish • Solid frozen • No discoloration • Little or no odor • No evidence of frost, ice, or ice crystals suggesting temperature abuse
Mollusks • Live mollusks should be alive • Live mollusks will close their shells when touched or tapped. • Mollusks that do not close shells are dead and should be discarded • Shellfish tags – area of harvest should be known
Fish products • Minced • Surimi • Cured • Canned • Breaded or battered
Seafood Safety • Causes of foodborne illness associated with seafood • Bacteria or viral contamination • Parasites • Shellfish or finfish toxins • Mercury contamination • Advisories for pregnant women and young children • Local advisories for lakes and rivers (www.epa.gov)
Seafood Safety • Bacteria • Vibria vulnificus found in raw oysters – death rate can be high for high risk individuals • Eat cook oysters • Virus • Hepatitus A and Norovirus as a result of contaminated water or ill food handlers • Eat cooked fish
Seafood Safety • Parasites • Anisakiais found in the environment of fish • Cook fish to 145°F (63°C) • Use sushi-grade fish that has been frozen for time and temperature needed
Seafood Safety • Fish and Seafood toxins • May not be smelled or tasted and are not destroyed by cooking or freezing • Fish toxins • The result of temperature abuse or the fish environment • Buy from reputable suppliers • Shellfish toxins • The result of shellfish harvested from contaminated waters. • Purchase from approved reputable suppliers
Spoilage and Storage • Fish spoil rapidly • Fresh fish • Store on shaved ice • Shellfish • Store under refrigeration • Do not store “salt water” shellfish in “fresh” water
Preparation • Finfish • Cook until 145°F (63°C) • Broiling • Baking • Frying • Steaming and Simmering • Microwave Cooking • Shellfish • Easily toughened by high temperatures