"Oil" is a food that people must eat every day, so whether its use is scientific is crucial to human health, improper use, long-term accumulation causes physical health problems. Professor Hong Zhaoguang, a well-known Chinese cardiovascular expert, put forward many practical suggestions for some misunderstandings that people are prone to in edible oil in their diet and life.
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1. High temperature stir-frying
Many people like to stir-fry with high temperature, wait until the oil in the pot smokes before stir-frying, high temperature oil will not only destroy the nutrients of food, but also produce some peroxides and carcinogens. It is recommended to heat the pot first, and then pour the oil, at which time you can stir-fry without waiting for the oil to smoke.
Second, do not eat vegetable edible oil, or do not eat animal oil
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Oil is one of the seven major nutrients, the body's lack of oil intake will cause the lack of vitamins in the body, as well as the lack of essential fatty acids, which is harmful to the body. Blindly emphasizing that eating only vegetable oil and not eating animal oil is also the wrong way, animal oil (saturated fatty acids) is good for the human body.
Third, only eat a single variety of oil for a long time
It is still difficult for the average family to do what oil to use for stir-frying, and we recommend that it is best to eat several oils alternately, or change to one oil after a while, because there is rarely one oil that can solve the problem of all oils and fats.
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Fourth, what is expensive is good oil
We often think that for similar goods, usually expensive means high quality. Oils and fats belong to nutrients, and we must first choose the right oil, and we cannot simply take price as a standard for health or not, suitable or not. For example, although olive oil is also expensive for health, if you eat only one type of olive oil, you will also have the problem of malnutrition. In the selection of fats, the fatty acid balance should be considered first.
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