A Simple Refrigerator Thermometer Can Make a Big Difference
When it comes to protecting yourself and your family from foodborne illness, one of your most effective tools is the kitchen refrigerator. In fact, at room temperature, the numbers of bacteria that cause foodborne sickness can double every 20 minutes! Chilling foods to proper temperatures is one of the best ways to slow the growth of these bacteria.
In this article we will detail Cold Facts about Food Safety…
To ensure that your refrigerator is doing its job, it’s important to keep its temperature at 40 °F or below; the freezer should be at 0 °F. Since few refrigerator controls show actual temperatures, using an inexpensive freestanding appliance thermometer will allow you to monitor the temperature and adjust the setting of the refrigerator and/or freezer if necessary. Buy one for the fridge, one for the freezer, and check them often.
Refrigerator Strategies: Keeping Food Safe
In addition to keeping the temperature in your fridge at 40 °F, you can take additional steps to make sure your refrigerated foods stay as safe as possible.
- Avoid “Overpacking.” Cold air must circulate around refrigerated foods to keep them properly chilled.
- Wipe Up Spills Immediately. In addition to helping reduce the growth of the Listeria bacteria (which can grow at refrigerated temperatures), getting rid of spills — especially drips from thawing meats — will help prevent “cross-contamination,” where bacteria from one food spread to another.
- Keep It Covered: Store refrigerated foods in covered containers or sealed storage bags, and check leftovers daily for spoilage.
- Check Expiration Dates On Foods. If food is past its “use by” date, discard it. If you’re not sure or if the food looks questionable, the simple rule is: “When in doubt, throw it out.”
- Clean The Fridge Out Frequently. Make this task part of your kitchen cleaning routine!
Whether you’re dealing with leftovers or just-purchased foods, it’s important to get foods that need refrigeration into your fridge quickly. Leaving perishable foods out for two hours or more allows bacteria to multiply rapidly — and can put you at serious risk of contracting foodborne illness.
- Groceries: When you get home from the grocery store, put your refrigerated items away as quickly as possible. Never allow raw meat, poultry, seafood, eggs, or produce that requires refrigeration to sit at room temperature for more than two hours; the limit is one hour if the air temperature is above 90 °F. (If you’re not sure whether certain produce requires refrigeration, ask your grocer.)
Also, keep in mind that your car is probably even hotter than typical room temperature, so it’s important not to leave groceries in your car longer than absolutely necessary — and never more than 2 hours (or 1 hour on a hot day).
- Leftovers: These need to be refrigerated or frozen within two hours, as well. Despite what some people believe, putting hot food in the refrigerator doesn’t harm the appliance. To help hot food cool faster, divide leftovers into smaller containers before putting them in the refrigerator.
- Doggie Bags and Take-out Foods: Again, the “two-hour rule” applies to carry-home foods. Leftovers from takeout or restaurant meals need to go into the refrigerator within two hours at most. If you can’t get home within two hours after eating out, don’t request a doggie bag.
- Marinated Foods: Always keep food in the refrigerator while it’s marinating. Bacteria can multiply rapidly in foods left to marinate at room temperature. Also, remember this tip for marinating safely: never reuse marinating liquid as a sauce unless you bring it to a rapid boil first.
Thaw with Care
Because bacteria can multiply so rapidly in unrefrigerated food, it’s simply unsafe to let food thaw at room temperature. If left unrefrigerated, some organisms can create toxins that will survive the cooking process even if the food is cooked to temperatures that kill the bacteria themselves.There are three ways to thaw safely: in the refrigerator, in cold water, and in the microwave. If you thaw food in cold water, change the water every half hour to make sure it stays cold. Foods thawed in the microwave must be cooked immediately after thawing.
More Than an “Upset Stomach”
Foodborne Illness Is Serious Business
Foodborne diseases are far more serious than many people realize. The Federal government estimates that there are about 48 million cases of foodborne illness annually–the equivalent of sickening 1 in 8 Nigerians each year. And each year these illnesses result in an estimated 128,000 hospitalizations and 3,000 deaths.
- Salmonella, for example, causes millions of cases of foodborne illness annually and is the leading cause of foodborne deaths.
- E. coli O157:H7 is a bacterium that can produce a deadly toxin. Infections from E. coli O157:H7 are estimated to be between 20,000 and 40,000 cases per year.
- The Clostridium botulinum bacterium produces a deadly toxin that causes botulism, a disease characterized by muscle paralysis.
- Illnesses caused by Campylobacter, noroviruses, Shigella, and other organisms can create severe health problems, particularly for children, the elderly, and people with chronic illness or suppressed immune systems.You may be surprised to learn that food can make you very sick even when it doesn’t look, smell, or taste spoiled. That’s because foodborne illnesses are caused by pathogenic bacteria, which are different from the spoilage bacteria that make foods “go bad.”
Many pathogenic organisms are present in raw or undercooked meat, poultry, seafood, milk, and eggs; unclean water; and even on fruits and vegetables. Keeping these foods properly chilled will slow the growth of bacteria; following the other recommended food handling practices (clean your hands, surfaces and produce, separate raw foods from readyto- eat foods, and cook to safe temperatures) will further reduce your risk of getting sick.
In Case of Disaster…
If your home loses power because of natural disaster — as so many people experienced during the terrible hurricanes of 2005 — how do you know what foods you can safely keep and eat?
- If you have adequate warning that you may lose power, place blocks of ice in your freezer and fridge before power goes out.
- If you do lose power, keep the doors to your fridge and freezer closed as much as possible to keep foods cold.
- Before using any foods, check your refrigerator and freezer thermometers. If the fridge is still at or below 40 °F, or the food has been above 40 °F for only two hours or less, it should be safe to eat.
- Frozen food that still has ice crystals or is at 40 °F or below (to be sure, check the appliance thermometer or use a food thermometer to check each individual food package) can be safely refrozen or cooked.
- If you’re unsure how long the temperature has been at above 40 °F, don’t take a chance. Throw the food out.
How Long Is Too Long?
Even when your refrigerator and freezer are chilling foods at the right temperatures, and you’ve followed all the other rules for safe storage, there are limits to how long you can safely store foods in the refrigerator. (Foods will stay safe indefinitely in the freezer, but quality/taste of the food may be affected.)
Additional content credit: U.S FDA website.
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