Protecting families from contaminated food and water
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Protecting families from contaminated food and water
Posted in Food Safety,Our Blog on August 6, 2026
Lets look at some foods today that people avoid refrigerating but should be putting them away, especially after being opened. Many people believe things will be fine sitting right on the counter, but these can produce mold and other issues including becoming a breeding ground for foodborne illnesses.
Without preservatives, the oils in natural peanut butter can separate or turn rancid at room temperature. Refrigerating keeps it smooth and fresh longer.
High oil content makes nuts and nut flours prone to going rancid, especially in warm kitchens. Storing them in the fridge or freezer extends their shelf life and keeps flavors bright.
Once opened, maple syrup can develop mold if left out. Keeping it in the fridge ensures it stays safe and maintains its sweet, rich flavor.
When bananas become very ripe, refrigerating them helps to slow down the ripening of the fruit inside, even as the peel darkens. The pros in the Good Housekeeping Test Kitchen often freeze overripe bananas for later use (it’s great for smoothies!), but the fridge works fine if you plan to use them within a couple of days.
Tahini is packed with sesame oil that can go bad quickly. Refrigerating it keeps the paste fresh and prevents it from developing a bitter taste.
Some oils, especially light or unrefined ones, can spoil or go rancid at room temperature. They’re fine in a dark, cool pantry, but refrigeration is also an option that many people forget—chilling slows oxidation and keeps flavors tasting fresh.
Citrus fruits last much longer in the fridge—weeks instead of just a few days. Once cut or zested, refrigeration also prevents them from drying out, when wrapped properly.
Corn sugars start turning to starch as soon as they’re harvested, which dulls its natural sweetness. Refrigeration slows this process, keeping kernels juicy and tender. Pre-husked cobs—like the ones you typically buy from the refrigerated section at the store—should definitely be stored in the fridge, while whole, unhusked ears can sit out for a few days if you plan to cook them quickly.
Cold storage dramatically extends apple shelf life, keeping them crisp and juicy for weeks instead of days.
Once an avocado is perfectly ripe, popping it in the fridge slows further softening, giving you extra days to enjoy it.
Refrigeration keeps eggs fresh and safe to eat. Stored properly, they can last four to five weeks from the packing date.
Storing tortillas in the fridge, ideally in an airtight container, keeps them soft and helps to prevent mold from forming. According to La Tortilla Factory, a popular tortilla brand, “if stored refrigerated, open or unopened, products may remain fresh up to 30 days beyond the sell-by date.” The experts in the Good Housekeeping Test Kitchen also keeps them refrigerated to extend freshness.
Which one of these foods people avoid refrigerating but should shocked you the most? For me it was definitely the vegetable oil. I will be adding ours to the fridge to test out this theory very soon.
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