Bananas contain potassium, which can excrete excessive sodium ions, lower blood pressure, enhance immunity, prevent cancer and constipation: bananas contain a lot of fiber, which can stimulate gastrointestinal peristalsis, increase stool volume and help defecation. Have a certain weight loss effect! But you should not eat too much. Bananas are also rich in sugar, up to 4 to 5 a day. If you only eat one or two a day, it's not a big problem. And eating too much will definitely make you fat.

Function and efficacy of bananas

Prevention and treatment of coronary heart disease

High cholesterol can lead to coronary heart disease, and banana stalks can lower cholesterol. If the serum cholesterol is too high, 50 grams of banana stalks can be used, washed and sliced, and taken with boiling water for 10 ~ 20 days to reduce cholesterol.

Prevention and treatment of gastrointestinal ulcer

Bananas can also prevent and treat gastrointestinal ulcers. Banana contains a substance that can prevent gastric ulcer, which can make the stomach produce more gastric mucosa to protect the stomach.

Treat hypertension

Patients with hypertension and cardiovascular and cerebrovascular diseases often have more sodium and less potassium, and bananas are rich in potassium ions. Potassium ion can inhibit sodium ion from contracting blood vessels and damaging cardiovascular system.

Treat depression

Banana contains a substance that can help the human brain to produce 6- hydroxytryptamine, which makes people feel happy, lively and cheerful. Patients with depression can usually eat more bananas to alleviate their depression, so that their pessimism and world-weariness will gradually dissipate.

Treat skin itching

Banana peel contains cannabinoids, which can inhibit the growth of bacteria and fungi. Experiments show that banana peel is effective in treating skin itching and beriberi caused by fungi or bacteria.