STORED commercially at -20-degree Celcius and is stored at 5 degrees Celcius in refrigerators.Butter is a dairy product CONTAINING up to 80% butterfat which is solid when CHILLED and at room temperature.It is made by CHURNING fresh or fermented cream or milk to separate the butterfat from the buttermilk. Butter consists of butterfat, milk proteins, and water.Recommended storage time and temperature of different dairy products are as follows-