Generally, high-temperature resistant oil is relatively pure, with few impurities and high purity, so that it will not smoke in high-temperature cooking, but olive oil itself is not high-temperature-resistant, because olive oil is a pure natural food, which is directly cold-pressed from fresh olive fruit without heating and chemical treatment, and retains natural nutrients, so the purity is not very high, and the degree of high-temperature resistance is relatively low, usually around 180 degrees.
2 How to stir-fry virgin olive oil is the most correct. The temperature tolerance of olive oil is not very high, and especially virgin olive oil has a weaker temperature tolerance, so it is suggested that it can only be used for cold salad, steaming, boiling and stewing, and cannot be used for frying, frying, baking and other high-temperature dishes.
1. stir-frying: virgin olive oil is a pure natural food, which has a unique olive fruit flavor and rich taste, highlighting the original flavor. If it is used for stir-frying, it can not only keep the original flavor of olive oil, but also make dishes taste more fragrant and help to stimulate appetite.
2. Making soup: Olive oil has a strong taste-enhancing function. Dropping a few drops of olive oil after the soup is finished can make the soup colorful, and it will make the taste smooth, fragrant and not greasy.
3. Cold salad: Cold salad is the most common way to eat, which not only retains the nutrition in olive oil to the greatest extent, but also olive oil is not easy to be greasy. It can make food bright in color and refreshing in flavor when used for cold dishes and salads.
3 Efficacy and function of virgin olive oil 1. Runchang laxative olive oil can reduce the storage of fat oil in the human body and reduce the burden on the human body to absorb fat oil. Moreover, olive oil contains unsaturated fatty acids, rich vitamins, fat-soluble vitamins such as carotene, antioxidants and other ingredients, and the human body's digestion and absorption rate is extremely high. If it is an oily food, Can have a certain role in lubricating the intestine, can reduce the adhesion of feces on the intestinal wall, can discharge feces faster, is conducive to preventing constipation, and helps the human body reduce the burden.
2. Protect cardiovascular olive oil contains a lot of linolenic acid and linoleic acid. These nutrients can strengthen the antioxidant capacity of olive oil, ensure the health of blood vessels, soften blood vessels, help prevent arteriosclerosis and complications of arteriosclerosis, further reduce the burden of systemic blood circulation, and have a certain effect on hypertension. At the same time, if it is in coronary artery, it can help prevent coronary heart disease and heart disease, protect the supply of systemic blood system and protect cardiovascular system.
3. Protecting the skin Olive oil is rich in essential fatty acids with excellent affinity to the skin, which can be absorbed quickly and effectively keep the skin elastic and moist. Moreover, olive oil is rich in monounsaturated fatty acids, vitamins E, K, A, D and phenolic antioxidants, which can eliminate facial wrinkles, prevent skin aging, protect hair and prevent chapped hands and feet.
The difference between virgin olive oil and refined olive oil is different in processing technology.
Extra virgin olive oil: cold pressed at low temperature by pure physical method, without any preservatives and additives.
Refined olive oil: olive oil made by chemical soaking, with added chemical components, has undergone a series of deacidification, dehydration and degreasing procedures, and has almost no nutritional value.