USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperStorage temperature, how long they have been opened, and package integrity change the answer — and those details are easy to miss.
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Last reviewed: January 2026
Reviewed by the Can I Eat Expired Editorial Team using official USDA, FDA, and CDC food safety guidance. How we assess food safety risk
May be safe if properly stored and showing no spoilage signs. Check carefully before consuming.
⏱️ Safe for up to 21 days after expiry if properly stored and showing no spoilage signs.
⚠️ Eating spoiled dairy is one of the most common causes of food poisoning at home.


Fridge
40°F (4°C) or below
Store in original carton on interior shelf, not door. Keep pointed end down
Dairy products require consistent cold storage (40°F or below) to prevent spoilage. A refrigerator thermometer (Amazon) helps ensure your refrigerator maintains safe temperatures.
35 days
Sulfur smell, floating in water test, unusual discoloration when cracked
Transferring opened dairy into an airtight container (Amazon) can reduce odor absorption and moisture exposure.
Hair conditioning, gardening fertilizer
Commercial egg substitutes, flax eggs, chia eggs
The expiration date on egg cartons indicates the date by which eggs should be consumed for safety reasons. However, eggs are often safe to eat beyond the expiration date as long as they have been stored properly. The best quality of eggs is typically within 3-5 weeks of the packing date, as freshness and taste may start to decline after that period. Conduct a float test by placing an egg in water – if it sinks and lays flat on the bottom, it's fresh; if it stands upright or floats, it's aging and should be used soon.
To determine if fresh eggs have gone bad, look for visual cues such as a change in color or texture, such as a runny or discolored yolk. A sour or sulfur-like smell is also a sign of spoilage. Additionally, if the egg white appears cloudy or slimy, it's best to discard the egg.
Fresh eggs can be contaminated with Salmonella, a bacterium that can cause foodborne illness. To minimize the risk, it is important to handle eggs properly. Avoid consuming raw or undercooked eggs, and always cook them to an internal temperature of at least 160°F (71°C) to kill any harmful bacteria. It's also crucial to store eggs in the refrigerator to maintain their freshness and reduce the risk of bacterial growth.
To optimize the storage of fresh eggs, keep them in their original carton in the coldest part of the refrigerator, typically in the main body rather than the door where temperatures fluctuate. Store eggs with the pointed end down to help maintain freshness. Avoid washing eggs before storing them, as this can remove the protective coating that helps seal the eggshell and prevent bacteria from entering. If you have surplus eggs, consider freezing them by beating them lightly and storing in a freezer-safe container for up to 6 months.
Eggs have cultural significance in various cuisines around the world. In many cultures, eggs symbolize new life, fertility, and rebirth, making them a common ingredient in festive and celebratory dishes. In some traditions, eggs are associated with luck and prosperity, leading to customs like egg tapping at Easter. Additionally, eggs are a versatile ingredient used in a wide range of dishes, from breakfast staples like omelets to desserts like custards and cakes.
Fresh Eggs can be safely consumed if left at room temperature for up to 2 hours. However, to maintain freshness and reduce the risk of bacterial growth, it's advisable to refrigerate them promptly after this time.
Once Fresh Eggs are cracked open, it's recommended to consume them within 2 days for the best quality and safety. Be sure to store them in a sealed container in the refrigerator to prevent contamination and maintain freshness.
The type of container can impact the shelf life of Fresh Eggs. It's best to store them in their original carton in the refrigerator to maintain freshness and prevent absorption of other odors. Avoid storing them in containers with strong-smelling foods to maintain their quality.
Every recommendation on this page is aligned with federal agencies and peer-reviewed university research below.
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperField-to-fridge handling practices that prevent contamination of fruits, vegetables, and leafy greens.
Visit FDA Produce SafetySurveillance-backed guidance on pathogens, symptoms, and steps to reduce foodborne illness risk.
Visit CDC Food SafetyUniversity research detailing optimal storage atmospheres for produce after harvest.
Visit UC Davis PostharvestPeer-reviewed extension bulletins on safe canning, chilling, and reheating practices.
Visit Penn State ExtensionNeed deeper reading? Explore our curated Sources hub for dozens of ingredient-specific publications. Our food safety review methodology explains how safety determinations are made.
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Important: These are general guidelines based on authoritative sources listed above. Always use your best judgment and when in doubt, throw it out. For specific concerns, consult a registered dietitian or your local health department.
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