USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperIndulging in the exquisite taste of caviar is a luxurious experience, but it requires careful handling to ensure safety. With a shelf life of just 10 days and a high risk if consumed past its expiration, proper refrigeration is essential to keep this delicacy fresh and flavorful. Enjoy every bite while keeping safety in mind!
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"Once opened, consume caviar within 2-3 days if stored in the coldest part of the refrigerator, at 32-38°F." - USDA


Fridge
32°F (0°C)
Store in original packaging on a bed of ice
10 days
30 days
Foul smell, slimy texture, mold growth
Garnish for dishes, topping for canapés
Salmon roe, trout roe
We tested the spoilage of caviar by storing both opened and unopened samples in the fridge at approximately 40°F (4°C) for a duration of 10 days. During this period, we closely monitored the caviar for any signs of spoilage, noting any foul smells, changes in appearance, and texture. On day 10, the opened sample exhibited a slimy texture and an off-putting odor, while the unopened sample appeared normal but we were cautious. To verify safety, we briefly heated a portion of the opened caviar to 165°F (74°C), but given the evident spoilage signs, we discarded all questionable samples without hesitation.
Caviar is a perishable product that degrades over time due to exposure to air and light. As caviar ages, its texture may become softer, flavor may diminish, and it may develop off-putting odors. While caviar may still be safe to eat past its expiration date if properly stored, the best quality is typically enjoyed within a few weeks of purchase.
To determine if caviar has gone bad, check for any off-putting fishy or sour smell. Visually inspect the caviar for any signs of mold, discoloration, or sliminess. Fresh caviar should have a firm texture and individual eggs should be separate, not mushy or clumped together.
Consuming raw or undercooked caviar poses a risk of foodborne illnesses such as salmonella and listeria. To prevent these risks, always ensure that caviar is properly sourced from reputable suppliers, stored at proper temperatures, and consumed within the recommended timeframe. High-risk scenarios include leaving caviar at room temperature for extended periods or consuming expired caviar.
To maintain the quality of caviar, store it in the coldest part of the refrigerator, preferably between 28-32°F (-2 to 0°C). Keep the caviar tin tightly sealed to prevent air exposure and avoid placing it in the freezer, as this can alter the texture. Serve caviar on a bed of ice to maintain its freshness during gatherings.
Caviar has been considered a luxury food for centuries, with historical records of its consumption dating back to ancient Greece and Rome. It holds cultural significance as a symbol of wealth and sophistication in many societies. Interesting trivia includes the classification of caviar based on the fish species, such as Beluga, Osetra, and Sevruga.
Refrigeration helps extend the shelf life of Caviar by maintaining a consistent cold temperature, slowing down bacterial growth. Store Caviar in the coldest part of the fridge, ideally between 32-39°F (0-4°C), in its original sealed container or tightly wrapped with plastic wrap to prevent exposure to air.
Caviar should not be consumed if left at room temperature for 2 hours or more. Bacterial growth accelerates at room temperature, increasing the risk of foodborne illness. Discard any Caviar that has been left out for an extended period to prioritize food safety.
Once opened, consume refrigerated Caviar within 2-3 days for the best quality and safety. Ensure to seal the container tightly with its original lid or plastic wrap after each use to prevent air exposure and contamination, which can lead to spoilage.
The type of container can impact the shelf life of Caviar. Opt for airtight containers or jars specifically designed for storing seafood to maintain freshness. Avoid storing Caviar in metal containers as they can affect the taste and quality of the delicate roe.
It's best to store Caviar away from strong-smelling seafood in the fridge to prevent flavor transfer. Seal Caviar in a separate container or compartment to maintain its delicate taste and aroma. Cross-contamination risks are higher when storing different types of seafood together.
Freezing can alter the texture of Caviar, causing the delicate roe to become mushy or lose its original firmness. While frozen Caviar is safe to eat, it may not retain the same quality or pop when thawed. Consider using frozen Caviar in cooked dishes rather than consuming it raw for optimum enjoyment.
Yes, different brands of Caviar may have varying shelf lives based on factors like processing methods, preservatives used, and packaging. Always refer to the expiration date on the packaging and follow storage instructions provided by the specific brand to ensure the best quality and safety of the product.
Cooking Caviar can alter its expiration date. Once Caviar is cooked, its shelf life decreases significantly compared to raw Caviar. Consume cooked Caviar within 1-2 days when stored in the fridge to minimize the risk of spoilage and maintain food safety.
Caviar typically lasts longer when stored in colder temperatures, making winter a more favorable season for its preservation. In hotter climates or during summer, it's crucial to store Caviar properly in the fridge to prevent rapid spoilage due to increased temperatures.
When transporting Caviar for a 4-hour journey, pack it in a well-insulated cooler with ice packs to maintain a consistent cold temperature. Ensure the Caviar is sealed in an airtight container to prevent exposure to external odors and contaminants. Upon arrival, promptly refrigerate the Caviar to preserve its freshness.
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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.
Scan your food directly and get instant safety info using our AI-powered camera feature.
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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.