Nowadays, people’s awareness of health care is constantly increasing, and they pay more and more attention to dietary issues. Edible oil is indispensable when cooking. In the past, most people would choose to eat lard.

Lard is an animal oil, which contains a lot of fatty acids, which is not good for the health of blood vessels, so now people generally choose vegetable oils. Vegetable oils sold in supermarkets are all in barrels. Common ones include corn oil and peanut oil. , rapeseed oil, etc.

When we buy cooking oil, we don’t know which one to choose. Among peanut oil, rapeseed oil and corn oil, which one is healthier? Let’s take a look at it together.

Peanut oil

Peanut oil is a relatively easy-to-digest edible oil. Proper consumption of peanut oil can lower cholesterol levels and prevent arteriosclerosis, hypertension and coronary heart disease.

Peanut oil is rich in vitamin E, choline and other ingredients. Appropriate consumption of peanut oil can enhance memory, delay brain function decline, and help fight aging.

The selenium and resveratrol contained in peanut oil can reduce platelet aggregation and prevent cardiovascular and cerebrovascular diseases. It is also helpful in preventing and treating tumor diseases. It contains vitamins K has a hemostatic effect.

Excessive consumption of peanut oil will cause excessive energy intake in the body, leading to obesity. It will also increase the risk of cardiovascular and cerebrovascular diseases and harm the body's health.

Rapeseed oil

Rapeseed oil is a transparent or translucent liquid obtained by pressing the seeds of rapeseed. It exudes a rather pungent smell because it contains A certain amount of glucosinolate is one of the main edible oils in my country.

Appropriate consumption of rapeseed oil can nourish and protect the liver, replenish blood and qi, improve immunity, enhance memory, appetite and digestion, etc. It contains unsaturated fatty acids such as linoleic acid and vitamin E. Rich, appropriate consumption of rapeseed oil can also help soften blood vessels and delay aging.

Rapeseed oil contains phospholipids, which can promote the development of blood vessels, nerves and brain. However, it contains high fat content, so people with hyperlipidemia and coronary heart disease should try to eat less. Because rapeseed oil has a pungent smell, it is not suitable for cold dishes.

Corn oil

Corn oil is an oil extracted from corn germ. It contains unsaturated fatty acids, which can dissolve the accumulation of cholesterol and prevent arteriosclerosis.

Corn oil has a positive preventive and therapeutic effect on arteriosclerosis and diabetes, and corn oil contains vitamin E. In addition, corn oil has relatively good stability, so it is suitable for quick cooking and frying. Because corn oil tastes bland, the dishes you cook may not be as delicious as you imagine.

Oil that has been left for too long

Many families like to buy large barrels of cooking oil. It takes about 3 to 6 months to use after opening. Many people think that the oil will not deteriorate and can be used. Storage for a long time is actually not the case.

Edible oil has a shelf life. For unopened edible oil, the shelf life can reach 18 months. However, after opening, the shelf life of edible oil will be shortened to three months due to exposure to air.

It is recommended that edible oil should be consumed within three months after opening. If the edible oil goes bad, some harmful substances will be produced in it, causing adverse reactions in the digestive system and even other diseases.

Self-pressed oil

Many people think that only original products are the healthiest, so they use peanuts or rapeseeds grown at home and bring them to small workshops. Extract cooking oil, but this is not recommended.

There are certain safety risks in self-pressed oil. This is because it has not undergone formal quality inspection, and if peanuts or raw materials are not stored properly, they can easily be infected by Aspergillus aflatoxin.

Aspergillus flavus is a carcinogen. Excessive intake in the body will increase the risk of cancer. Therefore, for the sake of health, everyone should eat as little self-pressed oil as possible.