Margarine is an artificial butter substitute emulsifier additive made from vegetable oil and added hydrogen element. It may also contain filtered milk, salt and emulsifiers such as lecithin. Margarine contains less fat than butter, so margarine is widely used as a substitute for butter. There are also low-calorie margarines, which contain less fat. In addition, there is also a clarified margarine called vegetable ghee or vanaspati, this margarine contains more fat than regular margarine, but the taste and aroma are not different.