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Misunderstanding 1: Olive oil is the most expensive, so it has the highest nutritional value

Because olive oil is more difficult to extract and the labor value of its production is high, the price will go up. Of course, olive oil has many benefits. For example, it can soften blood vessels, prevent and treat cardiovascular and cerebrovascular diseases to a certain extent, reduce blood sugar levels in diabetic patients, and prevent cancer and senile amnesia. Olive oil can also promote the growth of epithelial tissues and can be used to protect the surface of burns and scalds without leaving scars. Olive oil has the highest vitamin content, and the omega-3 fatty acids it contains are irreplaceable.

Even so, you can't just eat olive oil, because every vegetable oil has its own uniqueness, so the best choice is to eat all kinds of oils. Other vegetable oils such as sunflower oil, soybean oil and corn oil are also outstanding. They are rich in unsaturated fatty acids, which can enhance the body’s immunity, improve skin conditions, accelerate the healing of gastric ulcers, lower blood pressure and cholesterol, and are essential raw materials for the normal functioning of the brain.

Misunderstanding 2: Refining is the guarantee of vegetable oil quality

The process of refining (including refining and deodorization) can remove the unpleasant smell of plants, and also remove the toxic substances that enter the seeds due to improper preservation. But while removing these impurities, many vitamins and other beneficial substances to the body are also lost.    

Misunderstanding 3: Say goodbye to animal oil forever

People think that eating animal oils can easily cause coronary heart disease, obesity, etc., so they favor vegetable oils. In fact, this is very one-sided.

Animal oil (except fish oil) contains saturated fatty acids, which can easily lead to arteriosclerosis, but it also contains polyenoic acid, lipoprotein, etc., which are beneficial to the cardiovascular system, which can improve the nutrition and structure of intracranial arteries, anti-hypertension and prevent stroke The role of. As lipids, lard also has the functions of composing the human body to feel full, protecting the skin, maintaining body temperature, and protecting and fixing organs.

Eating vegetable oil alone will increase the amount of peroxides in the body, combine with human proteins to form lipofuscin, which is deposited in the organs and promotes aging. In addition, the increase in peroxides will affect the body's absorption of vitamins and increase the incidence of breast and colon cancer. Peroxide can also be formed on blood vessel walls, liver, and brain cells, causing diseases such as arteriosclerosis, liver cirrhosis, and cerebral thrombosis.

The correct way to eat is vegetable oil, animal oil collocation or alternate consumption, the ratio is 10:7. Mixing animal and vegetable oils is also beneficial to prevent cardiovascular diseases. Vegetable oils contain unsaturated fatty acids, which are beneficial to prevent arteriosclerosis. So use 1 part of animal oil and 2 parts of vegetable oil to make a mixed oil for food, which can learn from each other's strengths.

Misunderstanding 4: Oils marked with no cholesterol are good oils

The non-cholesterol mark is just an advertising slogan. In principle, it is impossible to be without cholesterol in vegetable oil! In biochemistry, cholesterol and its derivatives are the basic components of all body structures. Animals have a huge demand for it, and it cannot be said that it is completely unnecessary for plants.

In the process of refining vegetable oils, cholesterol cannot be removed from the fat. However, in vegetable oil, the cholesterol content is still very low compared to lard and butter. The cholesterol content of animal oil is about 10-25 times that of vegetable oil. But even so, it cannot be said that there is no cholesterol in vegetable oil at all!

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