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Released: May 25, 2006

Reduce Food Safety Risks with Summer Meals

MANHATTAN, Kan. – Warm weather would seem an invitation to move meals outdoors, yet cooking out – or grilling – is not without risks, said Fadi Aramouni, Kansas State University Research and Extension food scientist.

“Common food safety mistakes, especially underestimating cooking times or overlooking the need to check cooked temperatures, increase the risk of foodborne illness,” he said.

Meat scientists and researchers at Kansas State University determined that ground beef browns at different rates, so that browning, long considered an indication that ground beef is cooked, is no longer an accurate indicator of doneness.

“With meats and poultry, the only sure way to test safety and doneness is by using a meat thermometer,” Aramouni said. “Primary foodborne pathogens, including Salmonella, campylobacter and E.coli 0157:H7, are heat sensitive. That means that cooking foods to recommended temperatures will kill any pathogens that may be present.”

For ground beef, the recommended cooked temperature is 160 degrees. For beef, veal and lamb roasts, steaks and chops, medium is 160 degrees and well done, 170 degrees. For fresh pork, including ground pork, medium is 160 degrees and well done, 170 degrees. All poultry should reach a minimum of 165 degrees.

Starting with a frozen or partially frozen meat or poultry product typically increases the time needed for cooking, said Aramouni, who offered these summertime food safety tips:

* Use a grill according to the manufacturer’s instructions.

* Allow plenty of time to prepare the grill and cook foods completely.

* Avoid cross contamination: use separate plates, platters, bowls, cutting boards and utensils for raw foods and cooked foods. In other words, don’t carry cooked foods to the table on the same platter used for carrying the raw meats or poultry to the grill.

* Wait until grilled foods are ready – or almost ready to eat – before removing perishable salads and condiments from the refrigerator or cooler. If foods are allowed to sit out on a picnic table unnecessarily, the risk of contamination, either from the food itself or microorganisms (staph is an example) that may be in the environment, increases.

* Wash fresh fruits and vegetables, including leaf lettuce, which can host salmonella. Adding an unwashed lettuce leaf or tomato slice to a cooked hamburger may contaminate it.

* Keep food covered and out of direct sunlight.

* Watch holding time and clear the picnic table within 60 minutes or less; cover and chill leftovers or discard them, rather than risk foodborne illness.

* Clean the grill after each use.

* Wash hands frequently, especially before and after handling raw and cooked foods,

before and after eating, playing catch or croquet, and petting the dog. If water is unavailable, a bottled hand sanitizer can substitute.

More information on food safety, health and cooking tips, such as learning more about choosing and using a meat thermometer, is available at county or district K-State Research and Extension office or on Extension’s Web sites:  and click on “Health and Nutrition” or


K-State Research and Extension is a short name for the Kansas State University Agricultural Experiment Station and Cooperative Extension Service, a program designed to generate and distribute useful knowledge for the well-being of Kansans. Supported by county, state, federal and private funds, the program has county Extension offices, experiment fields, area Extension offices and regional research centers statewide. Its headquarters is on the K-State campus, Manhattan.

Story by:
Nancy Peterson
K-State Research& Extension News

Additional Information:
Fadi Aramouni is at 785-532-1668 or