What is the meaning of deep frozen
Frozen food can make the flavor and nutrient retention is best, and it is said that at -35 deg.c, food oxidation reactions are very slow, that is to say deep freezing over the food nutrition and flavor of fresh food with little difference. In short, deep frozen to fresh.
So people use frozen ways to preserve food. Generally in a very short period of time, such as half an hour, so that the need to freeze the food quickly reach the specified ultra-low temperature, such as -30 ~-40 C.
In general, the frozen layer of our home refrigerator can only reach -18 degrees, but also slow freezing, slow freezing will have a great impact on food nutrition and flavor.
