1 Apple Apple Taste the fruit of Rosaceae apple. Has the effects of benefiting heart and qi, moistening lung, promoting fluid production, invigorating spleen and relieving summer heat. Apple contains malic acid, a lot of cellulose, tannic acid, organic acid, pectin, vitamins, calcium, phosphorus and other nutrients. Apples are low in sodium and high in potassium, which can protect the heart. Eating apples is beneficial to the decrease of low-density lipoprotein and the increase of high-density lipoprotein, so apples have the function of preventing arteriosclerosis and are suitable for patients with hypertension and heart disease. In addition, apples contain a lot of cellulose and organic acids, which can stimulate intestinal peristalsis and prevent constipation.

2 Hawthorn Hawthorn has the effect of dilating blood vessels and lowering cholesterol. Eating hawthorn in patients with coronary heart disease is beneficial to lowering blood lipid, dilating blood vessels, helping to increase coronary blood flow and protecting myocardial ischemia.

Naringin contained in grapefruit has similar effects with other flavonoids, which can reduce platelet aggregation, improve the stability of blood suspension, increase blood flow and improve coronary blood flow, so it is also suitable for patients with coronary heart disease.

Citrulline and arginine in watermelon can promote the formation of urea and produce diuretic effect; Glycosides in watermelon have antihypertensive effect; In addition, watermelon can eliminate the risk factors of coronary heart disease and play a certain role in the prevention and treatment of coronary heart disease.