The shelf life of imported milk is one year, which is related to the adoption of ultra-high temperature sterilization technology. Imported milk needs a longer shelf life than domestic milk, because it needs longer transportation, customs declaration and sales time. In order to prolong its shelf life, imported milk brands adopt ultra-high temperature sterilization technology to keep normal temperature milk for a longer time.
Extending the shelf life of imported milk is not a good thing, because ultra-high temperature sterilization technology is at the expense of milk quality, milk can be stored for a longer time and is not easy to deteriorate, and many nutrients are lost. So imported milk looks like protein or contains more calcium than domestic milk, but it is not necessarily cheaper than domestic milk.
In addition, although the shelf life of milk at room temperature is relatively long, the taste of milk will change obviously from the fourth month of production, which is different from that when it was just produced. Therefore, consumers are not advised to buy milk as soon as they see it, even if it is still within the shelf life.
The production of good tofu, the key lies in the selection of materials to be authentic, as well as production methods and tools.
First of all, the selection of materials. The production o