1, the shelf life of salt in the market is generally about one year.
2. Salt mainly contains trace elements such as iodine and zinc. It is best n
1, the shelf life of salt in the market is generally about one year.
2. Salt mainly contains trace elements such as iodine and zinc. It is best not to eat the salt beyond the shelf life, because the trace elements in the expired salt are basically gone and lose their value. Generally speaking, you shouldn't buy a lot of salt at a time. It is recommended to buy it with you.