Knife bean knowledge introduction: Knife bean belongs to Leguminosae, and it is named "Knife bean" because its pod looks like a knife. Because the pod is shaped like a person holding a sword sideways, it is also called "holding a sword bean". The main varieties are vines and dwarfing. The tendril-shaped kidney bean is also called kidney bean, kidney bean China, kidney bean, kidney bean and croton. Panicum miliaceum has stolons, compound leaves and 3 leaflets. Floral axis grows from the axils of leaves, and there are several big irises and purplish red flowers. It bears large and flat pods, 25 ~ 30 cm long and 3.5 cm wide. Seeds 10 ~ 14, kidney shape, red or brown. Originated in tropical areas of the Old Hemisphere. Dwarf sword beans, also known as "dwarf sword beans", "vertical sword beans" and "foreign sword beans". Short or semi-creeping stems, purple flowers, small pods and white seeds, native to India. Nutritional analysis of concanavalin: Concanavalin contains urease, hemagglutinin, concanavalin and so on. In recent years, Gibberella canadensis I and II have been found in tender pods, which have therapeutic and anticancer effects on hepatic coma. Conch also has a good effect on human sedation, which can enhance the inhibition process of cerebral cortex, make the mind clear and energetic. Supplementary information of sword beans: sword beans must be cooked before eating, otherwise there is a danger of poisoning. The main manifestations of poisoning are nausea, vomiting, diarrhea, abdominal pain, dizziness and headache.

Cooking sword beans should be fully heated and thoroughly fried. Judgment method: the bean stick changes from hard to weak, the color changes from bright green to dark green, and it tastes without bean smell. It's best to boil the sword beans in water before frying them in the collective canteen.

Kidney bean is suitable for people: it can be eaten by the general population, especially for patients with kidney deficiency, lumbago, qi stagnation, wind-temperature lumbago, hernia in children and so on. The therapeutic effect of sword bean: sword bean is flat and sweet;

Has the effects of warming middle warmer, lowering qi, benefiting stomach and intestines, relieving vomiting, and tonifying kidney and yuan;

It has certain curative effect on lumbago due to kidney deficiency, hiccup due to qi stagnation, rheumatic lumbago and hernia in children. Sword bean cultivation guide: 1. The tender pods of sword beans taste crisp, the meat is thick and delicious, and the fragrance is elegant. It is a good dish, which can be fried as a fresh vegetable alone or cooked with pork and chicken. Pickles or pickles can also be pickled;

2. Be sure to pay attention to the heat when eating sword beans. If the calories are not enough, eating beans smells fishy and feels stiff, which will cause food poisoning. Therefore, it must be fried thoroughly and cooked thoroughly, but it must be kept green and cannot be boiled yellow;

3. Initial treatment of cervical lymphadenopathy (mouse sore): 20 grams of fresh kidney beans, eggs 1 piece, appropriate amount of yellow wine, and decoction.