Refined oil classifies in the group of edible oils for human consumption with desired characteristics and properties. Oil is pressed out of seeds through screwing or hydraulic press. These pressed items are removed and the residual oil cakes are further processed for oil. After proper extraction, it goes through various refining stages depending on market demands and consumption. Some of the commonly consumed edible oils are palm oil, corn oil, cotton seed oil, coconut oil, sunflower oil, etc.