Everyone uses edible oil when cooking. Edible oil is indispensable for most dishes. Of course, there are many types of edible oil. The soybean oil, corn oil and peanut oil that everyone eats are all edible. Oil, some people also like to use olive oil. Olive oil is an oil with high nutritional value. Can olive oil be used for high-temperature cooking? What oil cannot be used for high-temperature cooking?
1. Olive oil is more resistant to high temperatures
Explained in terms of chemical structure and characteristics. Any oil contains saturated fatty acids and unsaturated fatty acids. There are no unsaturated bonds in the structure of saturated fatty acids. , called high saturation, and its smoke point is also high. The greater the number of unsaturated bonds, the lower the saturation and the lower the smoke point, which means it is not resistant to high temperatures. Olive oil is mainly composed of monounsaturated fatty acids with only one unsaturated double bond structure, while most vegetable oils contain more omega-3 and omega-6 polyunsaturated fatty acids (except coconut oil and palm oil). Therefore, olive oil is more resistant to high temperatures than many vegetable oils. In particular, extra cold-pressed virgin olive oil is rich in polyphenols and has antioxidant capabilities, which can make the olive oil less susceptible to oxidation.
2. Heating and cooking is not recommended
The smoke point of extra cold-pressed virgin olive oil (Extravirginoliveoil) is about 160~180°C (different varieties and different polyphenol contents , slightly different) is suitable for medium-temperature cooking, that is, even deep-frying is considered safe as long as the temperature does not exceed 180°C, the time is not long, and the frying is not repeated. But it is still not recommended to use olive oil for frying and frying.
1. The temperature on a gas stove will continue to rise over time, and it is very easy to produce many free radicals and toxins due to excessive temperature.
2. With long-term cooking, the polyphenols and vitamin E in olive oil will slowly oxidize, and the nutrients in olive oil that are beneficial to human health will become less and less.
3. Extra cold-pressed virgin olive oil is usually green in color and may cause food staining when used for frying.
3. Different cooking temperatures and different oils
According to the habits of chefs in Mediterranean countries, they will use sunflower oil (smoke point 230°C) to fry food, which is relatively cheap and safe . Cold-pressed virgin olive oil is used mainly for cooking, and its nutritional value is still high and relatively stable. Extra cold-pressed virgin olive oil is used for cold salads and sauces after cooking. It not only retains its rich nutritional value, but also tastes the unique fragrance of extra cold-pressed virgin olive oil. Therefore, although extra cold-pressed virgin olive oil has a higher smoke point than most other vegetable oils, it can theoretically be heated for cooking. However, the purpose of extra cold-pressed virgin olive oil is to absorb its rich polyphenols and vitamin E, and to taste its unique fragrance. It is more suitable for stir-frying at low temperature, but it is a pity to use it for high-temperature cooking.
4. Warm the cold oil slowly in a cold pot
For any oil cooking, remember to warm the oil slowly in a cold pot. Do not stir-fry or stir-fry over high fire, because the high fire will The temperature of the oil is too high in an instant and the heating is uneven. The most frightening thing is that once it smokes, it means that the oil has gone rancid, producing many free radicals and toxins.
5. How to eat olive oil
First: drink it directly
The editor recommends that you eat some olive oil every morning when you get up or before going to bed at night. , don’t be greedy, about fifteen milliliters is enough, it is best to choose native olive oil, which can lower blood sugar, lower blood lipids and treat gastrointestinal diseases. For some chronic constipation, arterial thrombosis, heart disease, hypertension, etc. It has very good curative effect on diseases such as blood pressure.
If you are a person who likes to drink alcohol frequently, it is recommended to eat one or two spoons of olive oil before drinking. This can better protect your gastrointestinal health and avoid gastrointestinal damage. Drinking two tablespoons of olive oil every morning on an empty stomach has a very good therapeutic effect on chronic constipation.
Second: Cold Salad
It is also a common method to use olive oil and some food for cold salad. It can be stirred directly with various meat dishes and ingredients, and then add some salad dressing or Take it with mayonnaise and so on. Food stirred with olive oil not only looks bright in color, but also tastes very refreshing and has a special aroma.
If you want to use olive oil for salad dressing, you first need to prepare the vegetables you like, then cut them into the shapes you like, add the olive oil and stir, which will not only increase the taste, but also avoid vegetables Medium is water loss. In addition, you can also add an appropriate amount of vinegar, canned food, etc. This recipe is not only convenient to make, but also adds a lot of flavor, and there is no fumes, making it healthier after taking it.
Third: Bread
Chinese breakfasts have many types and taste very good, but they are not so healthy. If you want to improve your breakfast, adding some olive oil is a very good choice. Bake the sliced ??bread in the microwave for two or three minutes. After taking it out, apply olive oil directly. If possible, you can also add a small amount of honey. This will taste more fragrant and is loved by many children. It can also promote In good health.
You can also dice tomatoes and stir them with olive oil, and add a small amount of salt according to taste to make tomato sauce. Spread this tomato sauce on toasted bread and eat it. It is not only nutritious, but also tastes very good.
Fourth: Frying
You can also use olive oil to fry various foods. Olive oil is resistant to high temperatures and also has antioxidant effects. Use this oil to fry Hu Lai The food tastes better, and the remaining oil is less likely to turn black or contain impurities. No matter how many times it has been fried with olive oil, the quality of the oil is very good, and the food after frying is also crispy and refreshing.
Olive oil is most suitable for frying meat and fish. The food produced in this way tastes delicious and smells refreshing. In addition, olive oil will expand when heated, so it is less likely to consume oil when frying.