Corn, together with rice and wheat, is known as the world's three major crops, which is recognized as the "golden crop" in the world and the staple food of the long-lived elderly. Medical scientists have found that old corn contains a lot of lecithin, linoleic acid, grain alcohol and vitamin E, so it is not easy to suffer from hypertension and arteriosclerosis.

2. Xiaomi

Millet is the favorite tonic for the elderly, and the frail elderly often use millet to nourish their bodies. Chinese medicine believes that millet benefits the five internal organs, thickens the stomach, tonifies the body fluid and strengthens the bones and muscles.

3. Tofu

The main components of tofu are protein and isoflavones. Tofu has the functions of supplementing qi and deficiency, reducing blood lead concentration, protecting liver and promoting metabolism. Eating tofu regularly is good for health and intellectual development. The elderly often eat tofu, which has a good therapeutic effect on arteriosclerosis and osteoporosis.

4. Chinese cabbage

Chinese cabbage contains minerals, vitamins, protein, crude fiber, carotene and nitrosamine glycosidase which decomposes carcinogens. From the medicinal efficacy, Chinese cabbage has seven functions, such as nourishing the stomach and benefiting the intestine, relieving hangover and relaxing bowels, reducing blood fat, clearing away heat and preventing cancer.

Step 5: carrots

Carrots are rich in vitamin A and carotene. Studies have shown that carrots can provide various nutrients needed to resist heart disease, stroke, high blood pressure and arteriosclerosis.

Carotene is rarely destroyed at high temperature, easily absorbed by human body, and then converted into vitamin A, so it can treat night blindness and dry eye caused by vitamin A deficiency. Carrots can also promote material exchange in the brain and enhance memory. Eating a plate of fried shredded carrots before reading and studying is conducive to consolidating memory.

6. eggs

Nutritionists have determined that egg white contains a lot of water and protein. Egg white protein is rich in amino acids, and the proportion of ingredients is very suitable for human needs. This protein has the highest utilization rate in human body. Egg white protein can repair liver tissue damage.

Lecithin in egg yolk can promote the regeneration of liver cells, increase the amount of plasma protein, and enhance the metabolic function and immune ability of human body. Lecithin can release choline after being digested by human body, which can improve memory.

Egg yolk is rich in inorganic salts, calcium, phosphorus, iron and vitamins. Eggs contain a lot of cholesterol, and fats are saturated fatty acids. Eating too many eggs will greatly increase the intake of cholesterol, cause atherosclerosis and endanger cardiovascular and cerebrovascular diseases, and increase the burden on liver and kidney.

7. onions (surname)

Many people carefully pick out onions when eating vegetables, which is a big mistake. Onions contain a lot of flavonoids that protect the heart. Eating half of them raw or drinking the same amount of onion juice every day can increase the "good cholesterol" of heart patients by about 30%.

Especially when eating unhealthy food like barbecue, the onions in it are like your "life-saving grass". Onions are really good for people with hypertension, hyperlipidemia, cardiovascular and cerebrovascular diseases, and the best effects are eaten raw and cold.

You can take a look at the recently listed intelligent household food safety detector, which can detect whether food and water are qualified for consumption in a few times. Can ensure the safe and healthy diet of the elderly.