2. Generally, onions will be dried after collection and can be preserved for a long time, but they can also be eaten after germination. In this way, the nutrients in onion juice will be absorbed by the growing buds, so the growing buds are usually eaten together when eating. This is conducive to the absorption of nutritional value.

3. Onion is rich in nutrition, which not only contains potassium, vitamin C, folic acid, zinc, selenium and cellulose, but also contains two special nutrients-quercetin and prostaglandin A. ..

4, because from the perspective of Chinese medicine diet, onions are warm. For people with spleen and stomach deficiency and cold, loss of appetite, nausea and vomiting, loss of appetite, proper consumption of onions can warm the spleen and stomach meridians, which has a good effect on strengthening stomach, regulating qi and promoting digestion.

5. For toxins and parasites accumulated in the body, proper consumption of onions has a good detoxification and insecticidal effect. The harm of onion, from the perspective of Chinese medicine diet, is pungent. Eating too much will cause internal fire to flourish, leading to redness of eyes and blurred vision.