Food ScienceFood Safety

Where we’re going today…….

• Shopping Leftovers• Storage Refreezing• Thawing Cold Storage

Chart• Preparation Serving• Cooking

USDA.org

Food Safety Basics

• Clean– Wash hands & surfaces often

• Separate– Do not cross-contaminate

• Cook– Cook to proper temperatures, check with food

thermometer• Chill– Refrigerate promptly

Shopping

• At what point while shopping should you purchase refrigerated or frozen items?

• Choosing Meat or Poultry packaging?

• “Sell-by” or “Use-by”

Storage

• Refrigerate perishable food – 2 hrs• Refrigerator – 40*F• Freezer – 0*F• Cook or Freeze– Poultry, Fish, Ground Meat 2 days– Beef, Veal, Lamb, Pork 3-5 days

• Thoroughly wrap

Storage Continued

• Canned Foods– High Acid• Tomatoes, Grapefruit & Pineapple

– 12-18 Months

– Low Acid• Meat, Poultry, Fish & Veggies

– 2-5 Years

Thawing

• How do you thaw your food?– Refrigerator• Slow, safe thawing – Keep juices contained

– Cold Water• Faster thawing

– Keep food in bag– Change tap water every ½ hour– Cook immediately

– Microwave• Cook meat immediately

Preparation• How long do we wash hands?• Do NOT cross-contaminate• Marinate meat & poultry in covered dish in

refrigerator• Sanitize cutting boards– 1 Tbs – chlorine bleach– 1 Gal - water

Cooking

• Raw Beef, Pork, Lamb & Veal Steaks, Chops & Roasts– 145*F – internal temp

• Ground Meats & Poultry– 165*

• Why cook ground meat at a higher temperature?

ServingHOT FOOD

• Temperature = 140*• Serving Food– Chafing dishes– Slow cookers– Warming Trays

COLD FOOD

• Temperature = 40*• Serving Food– Nesting dishes in ice– Small Serving Trays

Use Food thermometerHow long does perishable food set out??

Leftovers

• When do we throw food away?• Shallow containers – refrigerate or freeze• Use within _____ days??• Reheat to _______*??

Refreezing

• Defrosted in Refrigerator– Refreeze

• Defrosted by other methods– Cook before refreezing

Review

• What are the 4 areas of Food Basics?• What should we remember when shopping?• What is the storage temp of ref. & freezer?• What are the 3 methods of thawing?– What is the best method

• What are 3 tips for food preparation?• What are proper cooking temps?• What are hot vs. cold storage temps?• How long do you keep leftovers?• When should we refreeze items?