Onion is a kind of home cooking. Some people like it, but many people don't. For people who care about their health, I don't think anyone will refuse this healthy vegetable. Onion has the common effects of fighting cold, helping digestion, appetizing and lowering blood pressure. It is worth mentioning that it also has the function of preventing cancer. Some experts have analyzed that people who often eat onions will have a quarter less chance of developing gastric cancer. Onions are good, but they are not easy to eat?

If you are willing to peel my heart layer by layer, your nose will hurt and you will cry. This is a lyric, just as Bian Xiao wanted to express it. Why do you cry when you cut onions?

Scientists have been studying this matter for many years and finally have a result. Compared with other vegetables, the chemical composition of onion is very complicated. After the onion is cut, it will destroy the stable chemicals in the onion, thus causing a series of chemical reactions. If the sulfur-containing substance produced by onion cells meets the air, it will eventually produce a new chemical molecule propyl sulfur. If our eyes come into contact with this substance, they will itch, burn and cry.

That's why you shed tears when you cut onions. You can try this method if you want to cut onions without shedding tears. Cut the onion in half and soak it in water 10 minute. Because the chemicals it produces are water-soluble, it can reduce the volatilization of chemicals in water, so cutting is much better.

There is another way to cut onions without tears. When you cut onions, you can say, "Honey, come and cut onions."

Have you ever shed tears when you cut onions? Welcome to discuss in the comments section.