Can Canned Tuna Go Bad?
If you haven’t opened your canned tuna yet, it’s safe to consume for years, even after the expiration date has passed. But once you’ve opened it, it’ll last up to 3-5 days. Your canned tuna may have gone bad if you see brownish spots on it that smell unpleasant.
Seal a can of vacuum-packed tuna before placing it in the refrigerator, and the tuna will remain edible for several days.
What is the shelf life of tuna?
Canned tuna won’t spoil even at room temperature, but refrigerated storage can help extend its shelf life. Once the can is opened, tuna can only be stored in the refrigerator for 3-4 days, preferably in the freezer, extending its shelf life to 3 months after opening. As for canned tuna, you can freeze it in the freezer, especially after opening, to extend its shelf life up to three months.
If you want to extend the shelf life of canned tuna for later use (2 or 3 months, for example), freezing is your best bet. Although canned food, including tuna, has a longer shelf life, the expiration date on the can must still be respected.
In addition, canned fish (such as tuna) can be kept unopened for up to five years after expiration. When stored properly, unopened canned tuna usually retains its best quality for about 3-5 years, although when stored properly, it usually remains safe to use afterwards.
Remarkably, canned tuna can be stored at room temperature for up to three to five years at its highest quality when stored properly. Of course, this long shelf life of canned tuna is supported by the proper conditions that must be ensured to keep the food product fit for consumption and of the highest quality until the maximum shelf life. Because canned fish is fairly stable, it is safe to consume after expiration.
You can be sure that tuna will not go bad if you store it properly and neatly in the jar without causing harm. As long as you store the can carefully and properly, without damage, you can be sure of the tuna, which rarely spoils. Therefore, only open a can of tuna when ready to use it, and handle it more carefully thereafter.
After consumption, this does not mean that you should immediately throw away the jar, it is still safe to consume, but we are not sure about the taste of tuna; there may be a deterioration in appearance, taste and nutrition, then you must decide for yourself.
It is best to eat tuna before crossing to avoid the risk of food poisoning. You can get sick from eating bad tuna, so don’t put your health at risk with a little tuna.
What should you avoid?
It is also recommended not to risk damaged or dented tuna in a can. You may also want to avoid tuna in visibly rusted cans, as can corrosion is a sign of exposure to air and moisture. As soon as you notice a change in colour (from bright red or light pink to dark brown or even green with mould), texture, or smell when opening a can of tuna, it may indicate that the tuna has gone bad.
If you’re interested in How Long To Keep Pasta In The Fridge, take a look at my other article.*
Your tuna will not have a fishy smell but a pungent or slightly sour smell rather than a canned fishy smell. Tuna may have a rotten or even sour smell; discard it if you smell a bad odour. You can do many different things with tuna, and canned tuna will stay fresh for some time.
If you use this type of canned fish regularly, it will be helpful for you to learn more about tuna storage and shelf life and how to identify rotten tuna in time to avoid unpleasant consequences.
If you’re concerned about your tuna going bad, you can check the date and combine this tip with some of our other tips to see if you should throw it away. In this guide, we’ll give you 9 very simple tips so you know when to throw away your tuna.
How to check if tuna has gone bad?
The best way to know if your canned tuna has gone bad is to check the expiration date, see if the can is leaking, smell it to see if the colour has changed, inspect the can for damage, and taste it. If you are in doubt, this should be your last resort.
Canned food is also sterile, so if you eat an expired can of tuna, for example, you won’t get sick; it just won’t taste as good.
Like other foods, canned tuna can be contaminated with pathogenic bacteria such as Botox, Salmonella, Shigella, Campylobacter jejuni, and Escherichia coli, resulting in food poisoning and even death. Like any other food, canned fish, including tuna, can harm our health if eaten spoiled.
If you eat tuna after it expires, expect unpleasant consequences like stomach pain, nausea and vomiting (sorry!).
To learn about Does Worchester Sauce Expire, check out my other article where I cover things in detail.
Unsealed canned fish will only remain food-safe for three days if we keep it refrigerated and properly sealed in a waterproof container. There is no need to keep it cool, as canned food can look great in your pantry. Tuna kept permanently in the refrigerator will keep for 3 to 4 days.
On the other hand, tuna has a shelf life of three or four days in the refrigerator and three months in the freezer after opening.
If the package remains unopened, you can freeze the liquid egg replacer for up to a year. Although defrosting can take many hours, if you want to use frozen tuna the next morning, you can thaw it overnight.
Spam, canned chicken, cornmeal, ham, and tuna can be stored for 2 to 5 years after the cans are printed, long enough for spam to keep under ideal conditions. For this reason, finishing canned tuna (even if the aquarium looks good and the expiration date is still far away) is recommended within two or a maximum of three years after purchase.
What happens if you eat bad canned tuna?
You can acquire two types of food poisoning from eating fish. Ciguatera poisoning and scombroid poisoning are the two types. Symptoms of ciguatera poisoning include stomach cramps, nausea, vomiting, and diarrhoea. Headaches, muscle aches, and itchy, tingling, or numb skin are all possible symptoms.
How can you tell if tuna is spoiled?
Tuna with dark brown streaks, some of which appear black, is usually terrible. These streaks will be apparent discolouration running through the flesh and should be avoided. Another sign that anything is awry is when the tuna turns green. Tuna with any of these discolourations is unsafe to eat.
Can you get botulism from canned Tuna?
Canned tuna can be dangerous to health. The WHO reports that toxin botulism has been found in preserved or canned vegetables. This toxin has low acid content in green vegetables, such as beets, spinach, mushrooms, and green beans.