USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperStorage temperature, initial freshness, and how it has been handled 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
Discard it after the expiration date.
⚠️ Seafood spoils quickly and can cause severe food poisoning if consumed past its prime.
Fridge
34-38°F (1-3°C)
Keep in original packaging. Once opened, wrap tightly and use quickly
Consistent cold storage is essential for food safety. A refrigerator thermometer (Amazon) helps monitor refrigerator temperature and ensures food stays at safe levels (40°F or below).
14 days
Excessive ammonia smell, unusual color, gas buildup
Proper packaging helps prevent freezer burn and contamination. Using freezer-safe storage bags (Amazon) can help preserve food quality during freezer storage.
Gravlax, pickled herring
The expiration date on Rakfisk indicates the date until which the product is safe to consume. However, the best quality of Rakfisk is often achieved after it has been aged for a certain period. While Rakfisk can still be safe to eat after the expiration date if properly stored, its quality, flavor, and texture may deteriorate over time.
To determine if Rakfisk has spoiled, look for signs of mold growth or discoloration on the surface. Check for any off-putting or sour odors coming from the fish. Additionally, if the texture feels overly mushy or slimy, it is best to discard the Rakfisk to avoid consuming spoiled fish.
Rakfisk is a traditional Norwegian dish made from fermented trout or char. Due to the fermentation process, there is a risk of contamination with harmful bacteria such as Clostridium botulinum, which can cause botulism if not properly handled and stored. It is crucial to ensure that Rakfisk is properly fermented and stored under controlled conditions to prevent bacterial growth and the risk of foodborne illness.
To store Rakfisk properly, it is recommended to keep it refrigerated at temperatures below 4°C (39°F). It is important to keep Rakfisk tightly wrapped to prevent cross-contamination with other foods in the refrigerator. If Rakfisk is stored frozen, it should be thawed in the refrigerator to maintain its quality. Before consuming Rakfisk, always check for any signs of spoilage such as off odors, sliminess, or mold growth.
Rakfisk has a long history in Norwegian cuisine and is considered a delicacy in the country. It is typically eaten during the winter months when fresh fish is scarce. The fermentation process not only preserves the fish but also enhances its flavor, giving Rakfisk a unique and pungent taste that is beloved by many Norwegians. Rakfisk is often enjoyed with traditional accompaniments such as flatbread, sour cream, onions, and potatoes.
It's not recommended to consume Rakfisk that has been left at room temperature for an extended period. Bacteria can multiply rapidly in seafood, increasing the risk of foodborne illness. To ensure safety, discard Rakfisk that has been out for more than 2 hours.
Once opened, Rakfisk should be consumed within 2-3 days to maintain freshness and quality. To prolong its shelf life, store it in an airtight container in the refrigerator. Check for any signs of spoilage before consuming.
The type of container used to store Rakfisk can impact its shelf life. Opt for airtight containers to prevent exposure to air and moisture, which can accelerate spoilage. Glass or food-grade plastic containers are suitable choices for maintaining Rakfisk's freshness.
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 ExtensionImportant: These are general guidelines based on authoritative sources listed above. Always use your best judgment and when in doubt, throw it out.
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