If bought commercially, the can should have a printed expiration date on one of the two flat sides. If it does not, note that most canned foods last at least six months in the refridgerator, and up to a year, though eating year-old creamed corn wouldn't be recommended.
Canned foods contain preservatives that prevent the microorganisms to reproduce. For example all the potato chips packets are filled with nitrogenous gas which acts as a preservative.
Although it can last longer, figure about a year - from harvest to harvest - for best quality and nutrition.
Because canned foods are heat sterilized in a sealed steel can, there is no need at all for preservatives
Canned vegetables are just another method of preserving food for future use.
preservatives
Canned vegetables will last for three to four days once they are opened. Do not keep them in the can, transfer them to a covered bowl, and put them in the refrigerator.
To be ultra safe, stick to three days.
Once canned salmon is opened you can keep it for three days. You should transfer it to a covered bowl, and store it in the refrigerator. Unopened cans of salmon can be kept for up to three years.
About 3 days in the refrigerator.
2 years
Answer:Refrigerated canned pumpkin lasts for about 3 to 5 days.
it will be 2weeks
Pickled beets can be stored in the refrigerator for six months to a year when they are opened. Unopened canned pickled beets are recommended safe for one year, if the seal is unbroken.
Crab salad should keep safely in the refrigerator for three to four days.
Cauliflower should be safe for 1 week if stored in the refrigerator.
about an hour or two.
Until it evaporates