If You See This at a Barbecue, Don't Eat It, USDA Says in New Warning

The USDA has issued a new warning for Memorial Day weekend cookouts.

Summer has unofficially begun now that Memorial Day weekend is here. And though many parts of the country have experienced a dreary holiday weekend thus far, the temperature is finally heating up and the sun is coming out in many areas across the U.S., so that barbecue you've been waiting on can finally happen. However, there is one thing you need to know before you chomp down on that corn on the cob. Ahead of Memorial Day, the U.S. Department of Agriculture (USDA) released a warning to everyone who's firing up the grill this weekend. "Memorial Day marks the beginning of warmer weather and summer fun. Don't let foodborne illness ruin the cookout," Sandra Eskin, USDA's Deputy Under Secretary for Food Safety, said in a statement. According to the USDA, there's one thing in particular they're warning you not to eat if you see it at a barbecue. Read on to find out what to steer clear of.

Don't eat perishable food that's been out for more than an hour.

Friends eating at a barbecue
Shutterstock

One of the staples of Memorial Day weekend is a smorgasbord of hamburgers, hot dogs, pasta salads, fruits, and veggies and dips. But the new USDA warning notes that if the temperature has risen above a certain level at your barbecue, there's an expiration time on how long it's safe to eat those foods—and it's much earlier than you think.

"When the temperature outside rises above 90 degrees Fahrenheit, perishable food such as meat and poultry, dips and cold salads, or cut fruits and vegetables are only safe to sit out on the table for one hour," the USDA warns. "After one hour, harmful bacteria, which can cause foodborne illness, may start to grow." So, you may want to think twice before grabbing that second hot dog if you're not so sure when it came off the grill.

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A recent USDA survey found that most people do not follow this guidance.

Preparing homemade burgers with tomatoes, onions and salad
GMVozd / iStock

According to a Sept. 2020 USDA survey on food safety, 66 percent of people said they do not keep their cooked food—like grilled chicken, hamburgers, corn, and hot dogs—warm after they take it off the grill. And that means bacteria that causes foodborne illness could be brewing. The USDA says you need to keep hot perishable foods "warm (above 140 degrees Fahrenheit) until they're eaten or refrigerate leftovers within one hour."

The same survey found that nearly 85 percent of people also don't keep cold food on ice when they serve it. According to the USDA, you should "keep cold foods at an internal temperature of 40 degrees Fahrenheit or below by keeping food on ice or refrigerated until ready to serve."

Eating leftovers after a certain number of days can also make you sick.

woman in pink shirt with dark curly hair opening double door fridge
Shutterstock/Andrey_Popov

If you save any leftovers from your Memorial Day barbecue, you should also know that those have an expiration date, the USDA warns. According to the agency, "if ground beef is refrigerated promptly after cooking (within 2 hours; 1 hour if the temperature is above 90 degrees Fahrenheit), it can be safely refrigerated for about 3 or 4 days." And the same rule applies to chicken.

According to the agency, "refrigeration slows but does not stop bacterial growth. USDA recommends using cooked leftovers within three to four days."

The USDA explains that there are two different families of bacteria: spoilage bacteria (which cause food to "deteriorate and develop unpleasant odors, tastes, and textures") and pathogenic bacteria (which cause foodborne illness). While your nose will tell you not to consume anything in the former category, those in the latter "do not generally affect the taste, smell, or appearance of a food," which makes it harder to know your food has gone bad.

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Even your pasta salad has a pretty quick shelf life.

Pasta salad with salami
AS Food studio / Shutterstock

Cooked meats aren't the only barbecue leftovers you have to worry about. It's also possible to get food poisoning from a cooked pasta salad that's been stored in the fridge for days, as Anukriti Mathur, a biotechnology researcher at Australian National University, told Science Alert. A 2005 case study published in the Journal of Clinical Microbiology found that five children in one family got sick from eating four-day-old pasta salad. It was prepared on a Friday, taken to a picnic on Saturday, and then stored in the fridge until the kids ate it for dinner Monday evening. Sadly, one of the children—the youngest—died as a result.

The issue at hand is the bacteria called Bacillus cereus, which can grow on starches. "It is important to note that B. cereus can cause severe and deadly conditions, such as sepsis, in immunocompromised people, infants, the elderly, and pregnant women," Mathur told Science Alert. "[Most] affected individuals get better over time without any treatment. These individuals do not go see a doctor to receive a diagnosis," which is why they are under reported.

RELATED: This Food Is Linked to the Most Illness Outbreaks in the U.S., Data Shows.

Jaimie Etkin
Jaimie is the Editor-in-Chief of Best Life. Read more
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