For common peanut oil and soybean oil, it is generally recommended to cool the oil with a cold pot and heat it properly before cooking. Try not to heat or fry oil in a hot pot, which will easily lead to oil oxidation and affect the nutritional value of oil. Oils with high unsaturated fatty acids such as tea oil and olive oil should not be used for cooking at all, because very slight heating will make these oils oxidized and completely lose their proper health care functions.
Change oil to eat. For example, I bought corn oil this time, so I will buy linseed oil next time. In short, it is a substitution between one category and another, not different varieties in the same category.
The best way is the "three-in-one set meal", that is, 1 serving linseed oil+1 serving olive oil or tea oil+1 serving vegetable oil or soybean oil or peanut oil or corn germ oil, which can be mixed and eaten according to the ratio of 1: 1.
Most edible oils bought in supermarkets contain genetically modified raw materials if they are not clearly marked as non-genetically modified. If you look at the ingredient list on the label, you will write "soybean is genetically modified soybean" and "rapeseed is genetically modified rapeseed" in very small font. Even if we are careful not to buy genetically modified oil, we almost always use genetically modified oil when we go out to eat in restaurants. Because the price is cheap, the situation of some high-end restaurants may be better, but only a little better.