1 grape
Grapes contain a lot of potassium, which can promote the discharge of sodium, thus lowering blood pressure.
2. mangosteen
Mangosteen tastes sweet and sour, which can not only enhance appetite, but also promote blood lipid metabolism and prevent arteriosclerosis.
3. Loquat
Loquat is cold, which can reduce fire and relieve symptoms such as cough and expectoration caused by dry heat.
4. yacon
Yacon is rich in water and sugar, which can promote diuresis and prevent hypoglycemia.
Old people should keep a balanced diet and eat all kinds of food in moderation.