Suanjiao
Jujube pulp is rich in reducing sugar, organic acids, fruit acids, minerals (mainly calcium, potassium, phosphorus, less magnesium and zinc), vitamins, 89 kinds of aromatic substances and various pigments, in addition to protein, fat and so on. Seeds account for 30% of the fruit and contain protein, fat, crude fiber, carbohydrate, ash, tannin and other substances. In addition to being eaten directly raw, pulp can also be processed into high-grade beverages and foods with rich nutrition, unique flavor, sweet and sour taste, such as juice, jelly, fructose, jam, concentrated juice, fruit powder and so on. Concentrated fruit juice is used to prepare and produce fruit juice, fruit powder is used to produce polysaccharide food, and seed endosperm is processed into polysaccharide products. It can clear away heat and relieve summer heat, promote fluid production and quench thirst, and help digestion.
Legume food
It is rich in high-quality protein (30%-45%) and contains more unsaturated fatty acids, calcium and vitamin B, so it is called "vegetable meat". The health benefits of these foods include lowering serum total cholesterol, lowering low density lipoprotein, promoting normal cardiovascular function, preventing and treating osteoporosis, and blocking and inhibiting the growth of cancer cells. However, the intake of a large number of beans is prone to flatulence, and people with indigestion should eat it intermittently.
Cruciferae
Include cauliflower, cauliflower, cabbage, Chinese cabbage, etc. Its outstanding advantage is that it contains more vitamin C and carotene. For example, the content of vitamin C in broccoli is 50 ~ 60 mg/ 100 g, and the content of carotene is also very high, reaching 72 10μg/ 100g, which is the most common vegetable. In addition, cruciferous vegetables are also rich in alkaline elements (calcium, potassium, sodium, iron and so on. ), an alkaline food, plays an important role in maintaining acid-base balance in the body. They also contain a lot of dietary fiber, which helps to prevent constipation. These vegetables can also prevent lung cancer, breast cancer, esophageal cancer, liver cancer, small intestine cancer, colon cancer and bladder cancer.
milk
Rich in high-quality protein and minerals, it is the best source of natural calcium with high digestion and absorption rate. Generally speaking, if the elderly can guarantee 250g milk every day, it will be beneficial to balance nutrition, delay the rate of bone loss and prevent osteoporosis. The nutritional composition of yogurt is similar to that of fresh milk, but it can increase the acidity in the stomach, increase the activity of pepsin, inhibit the growth of intestinal Escherichia coli and promote digestion.