Mozzarella cheese can be divided into many forms, among which mozzarella cheese in Italian salad is made of fresh buffalo milk, so it is very easy to go bad and needs to be preserved with whey. The shelf life is only one week.

In addition, the common yellow mozzarella cheese in the market is basically mozzarella cheese processed with milk, which has a long shelf life and is usually used for hot food, pizza baking or pasta making.