How long is the shelf life of salt? Can salt be used after expiration
Salt is a necessary condiment in our daily life. A bag of salt can be eaten for a long time. Do you know how long the shelf life of salt is? Can edible salt still be used after expiration? Let's have a look!
Shelf life of table salt
Generally speaking, the shelf life of refined iodized salt on the market is five years, while that of table salt such as low sodium salt is three years. The so-called shelf life is the best edible period. If it exceeds this shelf life, it's best not to eat again.
Because the salt mainly contains iodine, zinc and other trace elements, after this shelf life, the trace elements in the salt will gradually disappear, and the salt will lose its nutritional value.
Therefore, generally do not buy too much salt at one time, otherwise it will be a waste after the shelf life. Salt is not a scarce thing, so you can buy it one package at a time.
Can salt be eaten after expiration
Unopened salt has been kept for three years. It can still be eaten if there is no air leakage and moisture. However, if it has been opened, it is better not to eat it again, because trace elements may have entered the Kaifeng salt, which will affect the shelf life of the salt.
It should be noted that salt should not be exposed to the sun, which is easy to be dried; At the same time, it cannot be placed in the environment of the supermarket, otherwise it will be damp and deteriorate. It is best to seal the salt in a dry and dark environment, which can prolong the shelf life of table salt.