In fact, as long as it is a qualified oil product, there is no absolute good or bad, and it must be chosen according to the cooking method. Let's teach you to choose the right oil product.
Comparison of various edible oils
1, peanut oil:
Peanut oil is a digestible edible oil. Its advantage is that it is rich in oleic acid and resveratrol, which can protect blood vessels, prevent thrombosis and help prevent arteriosclerosis and coronary heart disease.
In addition, choline in peanut oil can also improve memory and delay mental decline. Peanut oil can be used for frying, frying and steaming, but the disadvantage of peanut oil is that it is easy to produce aflatoxin from raw materials because of improper temperature and humidity during processing.
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2. Cold pressed olive oil:
Olive oil is made from fresh olive fruit by cold pressing. Without heating and chemical treatment, it has natural nutrients. Its advantage is that its fatty acid composition is reasonable, and it has the functions of preventing cardiovascular diseases, improving human blood circulation and promoting digestive system.
In addition, olive oil is rich in monounsaturated fatty acids, which can regulate the ratio of high and low density lipoprotein cholesterol in blood, and is also rich in trace elements and vitamins, which can enhance human immunity, so it has the reputation of "golden liquid". The smoke point of cold pressed olive oil is low, and the suitable use methods are cold salad and stir-frying.
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3. Soybean salad oil:
Soybean salad oil is refined from soybeans, and its biggest advantage is its low price, so it gradually occupies the oil consumption market in Taiwan Province. At present, soybean oil is still the largest domestic vegetable oil, and it is the main oil product used in catering service industry.
The fatty acid distribution of soybean salad oil is similar to sunflower oil, which can be used in daily cooking, but it is avoided to be used in frying because of its high unsaturated fatty acids.
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4, sunflower oil:
Sunflower oil is an oil extracted from the seeds of large sunflower. Sunflower, also known as sunflower, has many varieties of different sizes. The advantage of sunflower oil is that it has a good moisturizing function, and at the same time, because of its high content of vitamin E, it is a natural antioxidant, which can prevent skin aging and prevent oil rot.
However, the disadvantage of sunflower oil is that the smoke point is relatively low, and it is only suitable for low-temperature cooking, such as ordinary home cooking or cold salad.
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5. Grape seed oil:
Grape seed oil is an oil product extracted from grape seeds, and the linoleic acid proportion in grape seed oil reaches more than 70% of total fatty acids, and some even reach 8 1%.
It is easy to be absorbed by human body. Long-term consumption of grape seed oil can reduce human cholesterol and effectively regulate nerve function. In addition, grape seed oil is rich in vitamin E and has strong oxidation resistance.
However, the disadvantage of grape seed oil is that grape seed oil contains extremely high polyunsaturated fat. Excessive unsaturated fat will release trans fatty acids and free radicals as long as it is heated at a high temperature, which will easily cause inflammation of body organs and cause long-term damage to health.
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6. Bitter tea oil:
Bitter tea oil, also known as camellia oil, is an oil extracted from mature seeds of camellia oleifera belonging to Theaceae. It is pure in quality, clear and transparent, and has a fragrant smell.
In the past few years, when there was a case of mixed oil and fake oil in China, bitter tea oil once became a hot oil that people who paid attention to oil health rushed to buy.
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Its advantages are high proportion of monounsaturated fatty acids, prevention of cardiovascular and cerebrovascular diseases, high smoke point, and difficulty in producing oil fume and harmful substances. The disadvantage is that the price is higher because of the scarcity.