Carrots contain protein, fat, carbohydrate (sucrose, glucose), crude fiber, calcium, phosphorus, iron, thiamine, riboflavin, nicotinyl, ascorbic acid, volatile oil (α-pinene, terpene, myrcene, limonene) and other components. The α, β, ρ, σ carotene and carotenoids in carrots are the sources of VA, and the cell wall is rich in pectin esters.

Carrots are sweet, pungent, slightly warm, spleen meridian, and have the effects of invigorating spleen, eliminating dampness, tonifying middle warmer, benefiting chest septum, calming stomach and preventing night blindness. Used for dyspepsia, chronic dysentery, cough and night blindness.

Carrots are not only nutritious, but also have good medical effects. Carotene has many important functions, such as maintaining the normal function of epithelial cells, preventing and treating respiratory infections, promoting human growth and development, and participating in rhodopsin synthesis. People who smoke for a long time, if they can drink half a cup of carrot juice every day, will also have a good effect on their lungs.

Vitamin B6, nicotinic acid and other components in corn have the characteristics of stimulating gastrointestinal peristalsis and accelerating defecation, and can prevent and treat constipation, enteritis and intestinal cancer. Corn is rich in vitamin C and so on. , has the effect of prolonging life and beautifying. The nutrients contained in the tip of corn embryo can enhance human metabolism and regulate the function of nervous system. Can make skin soft and smooth, inhibit and delay wrinkles. Corn has the functions of regulating appetite, reducing blood lipid and serum cholesterol. Central American Indians are not prone to high blood pressure because they mainly eat corn.