Animal oil, that is, animal fats, is the fat of animals, for human consumption of animal oil is generally derived from pigs, cattle, fish, etc., can be used to process food, so that the food has the fresh aroma of meat. The fat of animal oil has an irreplaceable special flavor compared with general vegetable oil, which can enhance people's appetite. Especially when matched with radish, vermicelli and soybean products, you can get a delicious flavor that is difficult to achieve with other seasonings; animal oil contains a variety of fatty acids, saturated fatty acids and unsaturated fatty acid content is comparable, almost equally, with a certain degree of nutrition, and can provide a very high calorie.

Cooking oil is susceptible to chemical reactions with oxygen in the air, a phenomenon known as the "grease reaction", and cooking oil is the result of oxidation. Storage of vegetable oil should pay attention to the following points:

1. Avoid light, in the light conditions, will accelerate the oxidation of fats and oils;

2. Isolated from the air, you can choose to use green or brown glass bottles or ceramic containers. Oil containers should be clean, dry, tightly corked or tightly capped after loading oil, do not give the oil to create the conditions for oxidation;

3. Oil containers placed in cool, ventilated place, to prevent high temperatures and sunlight;

4. Remove the oil feet and impurities in the oil in a timely manner, and pay special attention to the oil do not bring water, has been mixed into the water to be heated to evaporate before bottling;

5. p>5. Vitamin E is a good antioxidant, can be used a vitamin E pills, punctured and added to 500 milliliters of cooking oil, stirring, you can prevent cooking oil spoilage. You can also put three ten thousandths of a clove or two ten thousandths of a ginger in the oil, which can also prevent the odor.