date:Dec 25, 2018
ided into chilled food and frozen food. chilled food is to reduce the temperature of the food to near the freezing point and preserve it, such as food preserved at 0℃. Frozen food is stored at a lower temperature than the freezing point, such as quick-frozen dumplings. Frozen food now mainly includes fruits and vegetables, aquatic products, meats, poultry and eggs, rice and flour products, and convenience food.
Some people think that frozen vegetables and fruits have low nutrition. In fact, af