1. Salty taste comes from salt, which is one of the main sources of sodium chloride in human body. Eating salty food can regulate osmotic pressure balance between cells and blood and normal water and salt metabolism. When people have severe diarrhea, vomiting and sweating, they must be properly supplemented with light salt water to prevent the lack of trace elements in the body.
2. Sweetness is produced by sugar, which is one of the main sources of human heat. Sweet food has the functions of relieving muscle tension, nourishing qi and blood and detoxifying.
3. Sour taste is produced by organic acids. Sour food can stimulate appetite, strengthen spleen and appetite, enhance liver function and improve calcium and phosphorus absorption rate.
4. Bitter taste is mainly produced by organic alkali in food, which has the function of eliminating dampness and diuresis, and can also regulate the functions of kidney and liver.
5. Spicy taste is mainly produced by capsaicin. Eating spicy food can stimulate gastrointestinal peristalsis, increase the secretion of digestive juice, enhance amylase activity, promote blood circulation and body metabolism, dispel wind and cold, relax muscles and promote blood circulation.