margarine is basically an emulsion of water-in-fat, resembles butter in appearance, character and composition. The fatty phase is normally a mixture of vegetable and/or animal oils and fats, and the aqueous phase skim milk or water or a mixture of them.Small quantities of other ingredients, such as salt, flavours and emulsifiers, may be incorporated through either of the phase. There are various types of margarine for specific applications of which the most popular are table (tub), industrial and pastry margarine.