Onion is rich in nutrition, which contains not only potassium, vitamin C, folic acid, zinc, selenium, fiber and other nutrients, but also two special nutrients-quercetin and prostaglandin A. These two special nutrients make onion have many irreplaceable health care effects.
Fish with skin is a kind of fish with rich nutrition, and the content of protein is particularly high. Every 100g fish contains protein 19.2g, and other nutrients include trace amounts of fat, calcium, phosphorus and iron.
Scalded fish can be used as medicine to treat gastropathy, mastitis and gastrointestinal bleeding. Its skin can be made into gelatin.