Red caviar is an exclusive delicacy that requires special storage conditions. How long it keeps depends on whether the product is loose, factory-sealed or already opened. In any case, certain requirements must be strictly observed.
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How long does caviar keep?
In a sealed package, caviar keeps for up to 6 months if stored properly. As shelf life varies by producer, the date printed on the label is decisive. For long-term storage, a temperature of -4 to -6 °C is recommended. Since ordinary refrigerators are usually warmer and freezers considerably colder, storing caviar correctly can be a challenge.
| Condition | How to store | Shelf life |
|---|---|---|
| Unopened (jar or tin) | refrigerator, coldest shelf (ideally -4 to -6 °C) | up to 6 months if stored properly |
| Opened | tightly closed in the refrigerator | 2–3 days |
| Opened tin | transfer within 5–6 hours | – |
| Loose | sterilised glass jar with a tight lid, coldest shelf | max. 1 week |
| Freezer | not recommended | – |
The optimal storage temperature
If your refrigerator is too warm and the freezer too cold, a simple method helps: place the caviar jar in a separate container filled with ice. Choose an ice container that fits the jar and replace the ice regularly to keep the cold chain stable.
Rules for storing caviar
Caviar should never be left in an opened tin. Once the tin is open, transfer the caviar to another container within 5–6 hours, as the metal affects the taste. Caviar should not stand open in a glass jar either: oxygen makes it spoil quickly. Opened caviar belongs tightly closed in the refrigerator and should be eaten within 2–3 days.
Loose caviar keeps at home for no more than one week. Always check its freshness when buying. A sterilised glass jar with a tight lid is best for storage. The best place in the refrigerator is right at the back, on the coldest shelf.
Tips for opened containers
There is a proven trick to keep opened caviar fresh: sterilise a small jar, coat the inside with olive oil, add the caviar and seal it airtight. This keeps the caviar fresher – but still eat it within 2–3 days of opening.
Can you freeze red caviar?
Freezing caviar in a standard freezer is not recommended. Extreme cold destroys the structure of the eggs, changes the texture and impairs the taste. After thawing, caviar often turns mushy and loses its original quality.
The quality of red caviar depends directly on proper storage. If you want to enjoy this delicacy to the full, pay as much attention to storage conditions as to choosing it when you buy.
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Frequently asked questions about storing caviar
How long does opened caviar keep?
Kept tightly closed in the refrigerator, opened caviar should be eaten within 2–3 days.
Can you eat caviar after the expiry date?
We recommend not eating caviar after the date printed on the package. Caviar is a delicate, perishable product.
How can you tell if caviar has gone bad?
Warning signs include a sour or rancid smell, a distinctly bitter taste, cloudy liquid, sticky eggs and a bulging lid. In that case, do not eat the caviar.
Does canned caviar need to be refrigerated?
Yes. Even unopened caviar belongs in the refrigerator, ideally on the coldest shelf.
What if the cold chain was interrupted?
If the caviar has been left unrefrigerated for several hours, it is safer not to eat it.
