Common Mistakes When Storing Food in the Refrigerator

 Refrigerators are essential for keeping food fresh longer and reducing the risk of food poisoning. However, experts warn that storing food incorrectly can actually turn your fridge into a breeding ground for harmful bacteria.


The Danger of Wrong Temperatures

The ideal refrigerator temperature is between 0–5°C (32–41°F). Anything higher creates a “danger zone” where bacteria can thrive. Inside the fridge, temperatures are not uniform — the back is cooler while the door warms up every time it’s opened. That’s why placing milk on the door shelf is a common mistake.

A study from the University of California found that one square centimeter of fridge surface can contain up to 11.4 million bacteria. Food safety expert Beatriz Robles highlights that cold temperatures only slow bacteria, not kill them. For example, Listeria monocytogenes can still multiply at 5°C, posing serious risks, especially for pregnant women and the elderly.

Poor Storage Habits

  • Mixing raw and cooked food: Always separate raw meat and seafood from ready-to-eat items.

  • Improper packaging: Meat or fish wrapped in store paper bags should be transferred into airtight containers, such as glass jars.

  • Overstuffing the fridge: Leave at least 25% of space free to allow proper air circulation.

  • Wrong placement: Keep raw food at the bottom (coldest part) and cooked food, dairy, and eggs in the upper shelves. Storing eggs on the door exposes them to frequent temperature changes.

Foods That Don’t Belong in the Fridge

Some foods are better stored in a cool, dry place rather than the refrigerator. Examples include tomatoes and potatoes, which lose flavor and texture when refrigerated.

Hidden Bacteria Hotspots

Research in Italy shows that most bacteria accumulate at the bottom of the fridge, especially in the vegetable drawers. That’s why regular cleaning is crucial.

Watch Expiry Dates Closely

Expiration dates only apply to unopened products. Once opened, many items should be consumed within 2–3 days, unless the packaging specifies otherwise.

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