1, general jelly can be stored in the refrigerator. Moreover, the pigskin jelly is eaten after cooling, and the previous cooling can be said to be frozen. Now it's more said to put it in the freezer (above 0 degrees) than in the freezer (below 0 degrees).

2. Frozen skin is a kind of household food, with pigskin as raw material, which is a kind of meat raw material with high protein content. Meat processed from pigskin, such as pork with skin, frozen skin, ham, etc., not only has good toughness, but also has good color, fragrance, taste and taste.

3. Pigskin contains a lot of collagen, which can be converted into gelatin during cooking. Gelatin has a reticular spatial structure, which can combine many water molecules to make crystal clear jelly.