Olive oil contains high monounsaturated fatty acids (55~83%), namely oleic acid. In addition to supplying a lot of heat energy needed by human body, it can also adjust the concentration ratio of high density lipoprotein cholesterol and low density lipoprotein cholesterol in human plasma. Linoleic acid and linolenic acid are essential to human body, but human body can't synthesize them by itself, and excessive consumption is also harmful to human body. The proportion of oleic acid, linoleic acid and flax oleic acid contained in olive oil is just the proportion needed by human body, similar to breast milk, which is not found in other vegetable oils; At the same time, olive oil is rich in fat-soluble vitamins such as vitamins A, D, E, F, K, carotene and antioxidants, which are easily digested and absorbed by the human body.
Studies have shown that olive oil has a very good nutritional and health care function if it can be eaten for a long time:
It can lower cholesterol and prevent cardiovascular diseases. It has obvious preventive and therapeutic effects on arteriosclerosis and arteriosclerosis complications, hypertension, heart disease, heart failure, renal failure, cerebral hemorrhage and other diseases caused by high cholesterol concentration.
Can improve the function of digestive system. It is helpful to reduce gastric acid, prevent gastritis, duodenal ulcer and other diseases, and improve the functions of stomach, spleen, intestine, liver and bile duct. Stimulate bile secretion, prevent gallstones and reduce the occurrence of cholecystitis. Olive oil has a mild laxative effect. Taking two tablespoons on an empty stomach in the morning has an unexpected effect on relieving chronic constipation.
Can prevent brain aging and Alzheimer's disease. It is helpful to enhance the absorption of minerals such as phosphorus, zinc and calcium and reduce the occurrence of rheumatoid arthritis.
It can inhibit some types of malignant tumors, such as prostate cancer, breast cancer, intestinal cancer, squamous cell cancer and esophageal cancer.
It can protect skin, especially prevent skin damage and aging, and make skin shiny.
For obese people, eating olive oil often can control their weight better than eating less fat.
Although olive oil is more expensive than other vegetable oils, there are so many reasons to put it down. What are you waiting for when the natural fragrance of olive oil comes with the blue wind in the Mediterranean and the pursuit of a green and healthy life becomes fashionable?
Olive oil primary school
The dragon gave birth to nine children, each with its own differences. This kind of olive oil is even more learned. Different varieties often determine different best cooking methods. Only by careful understanding and careful selection can we have a unique Mediterranean style.
Each have their own different
According to different processing methods, olive oil can be divided into virgin olive oil and refined olive oil, which are different in price, nutritional components and uses.
Primary olive oil (natural olive oil). It is made from fresh olive fruit by mechanical cold pressing and direct pressing, and the oil juice obtained by filtering and other treatments to remove impurities is completely free from chemical treatment during processing. This kind of olive oil has the best quality, unique fragrance, golden color with greenish color and rich taste, which is equivalent to a fruit juice. Can be eaten directly, and can also be used in cold salads and salads to highlight the original flavor.
Refined olive oil (secondary oil). Olive oil was extracted from 1993 Spain by dissolving method. After decolorization, deodorization and other refining processes, its acid value can generally be reduced to below 0.3%. Although the quality is not as good as that of crude oil, it tastes good and the price is relatively civilian. As a standing oil in the kitchen, you can fry, boil, cook and fry at will.
At present, the edible olive oil in China market is mainly imported products, mainly from Spanish, Italian and Greek; There are also some domestic brands selling well.
Although olive oil is expensive, it only needs a little at a time. So overall, it is both economical and nutritious.
background knowledge
The world's major olive oil producers are concentrated in Mediterranean countries, mainly Spain, Italy, Greece, Tunisia, Turkey, Syria and Morocco, which account for 90% of the world's total olive oil production. Spain, Italy and Greece are the three largest producers and exporters of olive oil in the world. Spain's olive oil production ranks first in the world, but its export volume ranks second in the world, second only to Italy. Italy ranks second in the world in olive oil production, but it is the largest consumer, exporter and importer.
Suitable for both cold and hot, bringing out the good taste of life.
Olive oil is nutritious, suitable for both cold and hot, and can be used in many cooking methods:
Directly used as cold meal oil. The direct use of olive oil will bring the characteristics of dishes to the extreme. Sprinkle a little olive oil on fresh vegetable salad or fried steak to make the food more rich and delicious. If you add another glass of old wine, it is really a pleasure.
Fry in olive oil. Olive oil can be used repeatedly without deterioration. It has stronger resistance to deterioration caused by oxidation and is the most suitable food for frying. Prefer fried food, and those who pay attention to health care can use it with confidence.
Marinate with olive oil. Olive oil is a good pickling material, because it can easily penetrate into food and bring the smell of marinade into it.
Bake with olive oil. Spread olive oil on bread or dessert and bake. This smell is far from the smell of cream.
After seeing so many uses of olive oil, are you ready to move? Who says it's impossible to talk on paper? Here, Green will show you the temptation of olive oil, roll up your cuffs and practice it yourself. (Cooking/Kyoto Lide Food Co., Ltd.)
Huiguo sausage
Ingredients (2 persons): sausage 250g, green pepper100g, onion 30g, sugar 5g, olive oil 20ml, cooking wine10ml, salt 5g and dried pepper 5g.
manufacturing method
① Slice sausages and green peppers, and cut onions obliquely.
(2) Heat the pot, add proper amount of olive oil, add onion, dried pepper, sausage and green pepper in turn, add cooking wine, salt and sugar, and stir well.
skill
Olive oil should be stored at room temperature and avoid direct sunlight as much as possible.
Tremella, peanuts and diced cucumber
Ingredients (2 persons): tremella fuciformis 200g (soaked, washed and shredded), fried peanuts 100g, diced cucumber 50g, chopped green onion 10g, olive oil 25ml, curry powder, salt 15g and cooking wine 10ml.
manufacturing method
① Stir-fry onions with olive oil.
② Add tremella, peanuts and diced cucumber.
(3) Add curry powder, cooking wine and salt, stir fry, and pour the oil out of the pan.
skill
Olive oil can be used for any fish, meat and vegetables to keep the food delicious and moist, and it is not greasy or sticky.
Tomatoes mazurila
Ingredients: 50g Mazurila cheese, 2 fresh tomatoes (medium), 6 fresh mushrooms, 30g lettuce, 30ml olive oil, Guanli red wine vinegar10ml, salt10g, and a little black pepper.
manufacturing method
① Cut the washed tomatoes and cheese into pieces and put them on a plate for later use.
② Slice fresh mushrooms, fry and color them, and put them on a plate with clean lettuce.
③ Sprinkle with red wine vinegar, olive oil, salt and black pepper.
skill
When the salad is cold, first add olive oil and salt and stir, then add vinegar or lemon juice to keep the vegetables fresh for a long time.
Macaroni and cream
Ingredients (1 serving): macaroni180g, garlic slices10g, chopped onion10g, watermelon willow10g, black olive10g, and small tomato/kloc-0g.
manufacturing method
① Stir-fry chopped onions, garlic slices, shredded celery, mushroom slices, watermelon willow, black olives and small tomatoes with olive oil.
(2) Add cream, salt and black pepper, put the cooked macaroni into the pot, stir-fry it evenly with the cream juice, and take it out of the pot.
skill
When cooking spaghetti, adding olive oil can prevent noodles from caking and make noodles taste smoother.
Wonderful use of olive oil: youth and beauty are not dreams.
According to legend, Cleopatra in ancient Egypt wiped her whole body with olive oil every morning. Her delicate skin and beautiful black hair not only made the world envy, but also conquered the domineering Caesar. Contemporary famous stars can have strong figure and young appearance, and also benefit from the nourishment of olive oil. No matter how gossip this rumor is, it is an indisputable fact that olive oil has the effect of skin care and beauty.
Olive oil is a natural fruit oil separated from oil and water. Without any chemical treatment, it is rich in seborrheic vitamins and oleic acid and is easily absorbed by the skin. Among them, vitamin A can moisturize dry skin and prevent skin from wrinkling; Vitamin d can promote human metabolism, protect and strengthen skin elasticity, and prevent the generation of small wrinkles; Vitamin e can promote smooth blood circulation and inhibit skin aging and elasticity decline; Vitamin K can make the skin naturally elastic and absorb excess fat under the skin.
This kind of "edible cosmetics" is something we beauty lovers can't miss. To this end, Alu has selected several tips for olive oil skin care, so you may wish to try them in your spare time.
1. After washing your face, massage gently with olive oil repeatedly, and then apply it with a face steamer or towel to remove dirt in pores, nourish your skin and remove small wrinkles.
2. When peeling and chapped lips appear, apply a small amount of olive oil. Stick to this for two or three days, and your red lips will be moist and radiant again.
3. When the skin is dry in autumn and winter, applying olive oil to the body every week can restore the natural elasticity of the skin.
4. When washing your hair, add a small amount of olive oil to warm water, or drop a few drops on your hands and apply them directly to your hair, which can make your hair shiny and supple.
5. Use a banana at a time, put it on a plate and squeeze it into mud with a spoon. Add a proper amount of olive oil during the extrusion process to make a banana mask. Applying your face twice a week can make your skin tender and smooth.