The bean is sweet, acidic, mild, and good for the heart and small intestine. The efficacy and role of red beans are as follows:
1. Red bean has the effect of invigorating the spleen and stomach. Red bean is an easy-to-digest food. Its absorption effect is relatively good, and it has obvious nourishing and strengthening effects. It is suitable for people with weak spleen and stomach;
2. The bean is rich in iron and has diuretic and blood-enriching effects. It is recorded in ancient medical books that red beans have the effect of supplementing blood and nourishing the heart. Therefore, the bean is the best health food and has the effect of relieving cold hands and feet of women. It helps women replenish blood and activate blood, and can also help to fight cold;
3. The bean is rich in iron, vitamin B, protein, calcium, etc. It has a good effect on dampness and detoxification, heat-clearing and diuresis. It can make the small intestine unobstructed, facilitate urination, reduce swelling, and remove the water retained in the body. It can produce good effects on people with weak kidneys, especially those with edema of the lower extremities and edema of the eyelids in the morning. It would be better if cooked and eaten with barley seeds and tuckahoe;
4. Side effects and contraindications. All age groups except infants and young children can eat the bean.