A subspecies of leguminous beans of the family Leguminosae, an annual winding herb. It is also the seed of bean legume bean. Harvest mature pods in the fall and winter seasons, dried and stripped seeds for future use, or freshly picked tender pods in the fall.
The bean seed contains 28.75% of protein, 37.2% of starch, 7.50% of soluble sugar, 1.36% of plants, 6.10% of fiber, and 1.90% of ash. It also contains Concanavalin, ConA, Concanavalin A and Lectin. Wait.