1, corn
It is a staple food that longevity elderly people cannot live without. Medical scientists have found that old corn contains a lot of lecithin, linoleic acid, grain alcohol and vitamin E. Corn will not cause hypertension, but also prevent arteriosclerosis, which is good for the elderly to prevent cardiovascular diseases.
2. Sweet potato
Sweet potato has five major effects: nourishing blood and nourishing the middle, which is rich in nutrition; Wide bowel ventilation promotes defecation; Benefiting qi and promoting fluid production, enhancing immunity; Contains anticancer substances, which can prevent cancer and fight cancer; Anti-aging and prevention of arteriosclerosis. Sweet potato contains a lot of mucin, so it can prevent connective tissue atrophy of liver and kidney and enhance human immunity. Sweet potato can dredge the stomach, which is beneficial to prevent constipation, and it contains more minerals, which is beneficial to prevent osteoporosis. If the elderly eat it, it will have a good health care effect on preventing diseases.
Step 3: potatoes
Potatoes contain starch, pectin, protein, potassium, iron, calcium, phosphorus, citric acid, vitamin B, vitamin C and dietary fiber. Eating potatoes often can cure diseases and prolong life. Potatoes can prevent "three high" diseases, and improve gastrointestinal function, which is good for relieving constipation and preventing arteriosclerosis.
I'll introduce some coarse grains for the elderly in summer. These kinds are common and have a lot of nutrients, which can play a very good role in protecting the stomach. For example, sweet potatoes, potatoes and corn are all good coarse grains. You can try them, and the effect is still very good.