Rapeseed oil is a common edible oil, which is extracted from rapeseeds. Rapeseed oil is golden yellow or tan in color, with a fragrant smell and delicious taste. Rapeseed oil has high nutritional value, containing rich vitamin E, vitamin K and unsaturated fatty acids. Rapeseed oil can be used to cook a variety of dishes, and can also be used to make margarine, artificial cream and other foods.