Fish And Shellfish

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Added: March 08, 2009 This Presentation is Public 
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Fish and Seafood Lab: Fish and Seafood Lab


Slide2: FIGURE 8-1 Classification of Fish


FISH COMPOSITION: FISH COMPOSITION Structure of Finfish Tenderness 3% Collagen Amino Acid Content Less Hydroxyproline Collagen @ Lower Temperature Converts to Gelatin Muscle Structure Characteristic Flakiness


FISH COMPOSITION: FISH COMPOSITION Myotomes Layers of Short Fibers in Fish Muscle Myocommata Large Sheets of Very Thin Connective Tissue Separating the Myotomes FIGURE 8-2 Fish muscle, unlike other meats, is arranged in layers of short fibers (myotomes) separated by very thin sheets (myocommata)


FISH PURCHASING: FISH PURCHASING Fish Purchased Fresh or Frozen as Whole Drawn Dressed Steaks Fillets Sticks


FISH PURCHASING: FISH PURCHASING Determining Freshness of Fish Sniff Test “Fresh Fish” Aroma Tight Scales Firm Flesh Stiff Body Red Gills Belly Free of Swelling or Gas


FISH PURCHASING: FISH PURCHASING Signs of Decay Flat Concave Eyes Gray Creamy Brown Pupil Opaque Discolored Cornea Brown Gills Gaping, Figure 8-4 Separation of Fish Flesh Into Flakes Occurs As Steak or Fillet Ages Aging Rough Handling FIGURE 8-4 A badly gaping fish fillet


FISH PURCHASING: FISH PURCHASING Surimi Japanese For “Minced Meat,” Fabricated Fish Product - Alaskan Pollack, Deep-sea Whitefish, Skinned, Deboned, Minced, Washed, Strained, Shaped Into Pieces to Resemble Crab, Shrimp, Or Scallops. FIGURE 8-6 Surimi Products


FISH AND SHELLFISH PREPARATION: FISH AND SHELLFISH PREPARATION Dry-Heat Preparation Baking Broiling Grilling Frying Sautéed Deep-Fried Moist-Heat Preparation Poaching Simmering Steaming Microwaving Determining Doneness Flakes Easily


FISH AND SHELLFISH STORAGE: FISH AND SHELLFISH STORAGE Fresh Fish Best Consumed 1-2 Days of Purchase Store In Coldest Portion of Refrigerator <40°F Wrap Tightly to Prevent Odors from Coming In Contact w/ Other Foods Fresh Shellfish Consume the Day Purchased See Inside Back Cover of Text Storage Requirements Vary


FISH AND SHELLFISH STORAGE: FISH AND SHELLFISH STORAGE Freezing Reduction In Quality Dryer Tougher Less Springy Less Flavorful