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Cooking Temperatures and Safe Food Handling

You're about to cook a culinary masterpiece, and you've arranged gleaming utensils on the counter with all the care of a surgeon. But where's the thermometer?

A kitchen thermometer is one of your most important weapons againstfoodborne illness which can lead to nausea, vomiting, abdominal pain, and diarrhea. According to the U.S. Department of Agriculture (USDA), the thermometer will help you make sure that the internal temperature of meat and poultry rises high enough to kill harmful bacteria.

Experts suggest that whenever youhandle raw foods of animal origin, you view them as potentially carrying harmful bacteria.

If you're relying on color changes to tell when food is done, beware: Research shows that color and texture indicators aren't reliable, the USDA says.

Several types of meat thermometers are available at grocery, hardware, or kitchen supply stores. They include:

  • Regular, ovenproof thermometersgo in food at the beginning of the cooking time andcan be read easily.

  • Instant-read and digital types, not intended to go into the oven,give a quick reading when inserted into the food after cooking.

  • Pop-up thermometers are most often found in turkey. They also may be purchased for other types of meat.

  • Microwave-safe thermometers are designed to be used only in microwave ovens.

Whatever type you use, be sure the thermometer is clean and is specifically designed for meat and poultry cooking. Thermometers designed for candy-making won't work for meat and poultry. Also, be sure the meat thermometer has an easy-to-read dial made with stainless steel and a shatter-proof clear lens. Most meat thermometers are accurate to within plus or minus2 degrees.

What should that thermometer say? Safe temperatures vary for different dishes.

Here are recommendations from the USDA:

Food

F

C

Ground meat and meat mixtures

Beef, pork, veal, lamb

160

71

Turkey, chicken

165

74

Fresh beef, veal, lamb

Medium rare

145

63

Medium

160

71

Well done

170

77

Poultry

Chicken and turkey, whole

165

74

Poultry breasts, roast

165

74

Poultry thighs, wings, legs

165

74

Duck and goose

165

74

Stuffing (cooked alone or in bird)

165

74

Fresh pork

Medium

160

71

Well done

170

77

Ham

Fresh (raw)

145

63

Pre-cooked (to reheat)

140

60

Eggs and egg dishes

Eggs

Cook until yolk

and white are firm

Egg dishes

160

71

Leftovers and casseroles

165

74

Don't go overboard, though?charred meat can be unhealthy, too. High-temperature barbecuing, frying, and broiling can produce chemicals called heterocyclic amines (HCAs) that some studies link to an increased risk of cancer. Although the connection remains unproved, risks appear to increase when meat turns black from cooking longer at high temperature.

Luckily, studies also point to a solution: Minimize the time the meat spends over the coals.

You can cut HCAs up to 90 percent by microwaving meat briefly (even for two minutes) prior to grilling or barbecuing. You can also pre-cook meat at lower oven temperatures immediately before tossing it on the grill to add flavor at the finish. Don't pre-cook food and let it sit though?you'll put its temperature into bacteria's growth range. Be sure to pre-cook and then finish cooking immediately.

Other tips to curb HCAs

Use lean meat to reduce flare-ups caused by fat dripping onto hot coals. Flare-ups create very high temperatures.

Keep meat away from direct heat. Wrap it in foil, or leave the skin on chicken for cooking and remove it later.

Add liquid. Meats cooked in water?by braising or stewing?don't get as hot.

More food-handling tips

When serving, keep hot foods hot and cold foods cold. Hot food should be held at 140F (60 C) or warmer. Cold food should be held below 40F (5C) or colder. Perishable food should not remain out at room temperature for longer than two hours. Cooked leftovers should be eaten within four days.

After you've cooked your chicken, don't put it back on the same plate you used to bring it to the stove or grill. Juices from raw chicken could contaminate the cooked food with campylobacter or salmonella bacteria, the main culprits behind foodborne illness. Use separate utensils, plates, and dishes for raw and cooked food, and wash them between uses.

Use disposable paper towels instead of a kitchen sponge or rag, where salmonella or other bacteria can grow and spread.

If you want rare beef, eat a steak, not a hamburger. E. coli may affect the surface of a steak (where cooking will kill it), but it won't penetrate the interior. In a burger, contamination can reach the center when the meat is ground and mixed. The USDA says ground beef must be cooked to 160 F (71 C) ?hot enough to kill E. coli.

You don't have to overcook pork to be safe. Many people cling to outdated fears about the parasite that causes trichinosis, but farming practices are safer now and don't expose livestock to the parasite. Pork is safe at an internal temperature of 160 F (71C), even if it still looks pink.

If you like raw seafood, get to know your fish merchant and restaurateur. The risks from raw oysters drop if they come from unpolluted waters. Sushi or uncooked marinated seafood may be flash-frozen to kill parasites. Cooking will kill live contaminants.

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