1, banana. Bananas have the highest content of potassium in all foods, and the potassium content in bananas is more than 330mg (calculated according to100g of fruit). On the contrary, apples with the same unit contain a little less potassium, which is within 1 19 mg. Therefore, eating at least three bananas a day can protect the heart and prevent stroke.

2. Longan. Longan is not only high in carbohydrates, but also high in potassium and vitamin C. Longan can not only prevent stroke, but also has the functions of calming the nerves, strengthening the brain, enriching the blood and keeping fit. Especially women should eat more longan, which can not only protect the heart, but also prevent malignant tumor lesions such as uterine cancer.

3. Mango. Mango is rich in vitamins and has antioxidant effect. Mango also has the function of promoting fluid production and quenching thirst, and mango is rich in potassium, which has the functions of protecting the heart and preventing stroke in cardiovascular and cerebrovascular diseases.

4. Kelp. Kelp is rich in iodine and calcium, and also rich in trace elements such as potassium. Kelp can not only prevent thyroid diseases, but also help to lower blood pressure and prevent stroke.

5, seaweed. Porphyra is also rich in potassium, and the interaction of potassium and sodium is beneficial to muscles. In most cases, laver is more suitable for eating in winter.

6. Spinach. Spinach contains less potassium than banana, but the content of potassium in green vegetables is higher. Potassium in spinach can prevent stroke, but also has anti-aging and blood-lowering effects.