1. From the morphological characteristics,

Red beans, also known as red beans, are generally cylindrical, slightly flat, slightly flat or blunt at both ends, and the surface is purple or dark reddish brown. Smooth, slightly shiny or dull. Hard and not easy to break; After cutting, the seed coat is thin and brittle, with an empty emblem, slightly sweet, and it tastes like beans when chewed.

Red kidney bean is native to South America and is one of the most abundant dried beans. It looks like a "chicken kidney", full of particles and ruddy in color.

2. In terms of nutritional value

Red beans are rich in starch, so they are also called "Mi Dou". It has the functions of "swallowing, diuresis, relieving bloating, detumescence and stopping vomiting", and is called "Heart Meridian Valley" by Li Shizhen. It is a kind of multifunctional miscellaneous grains with rich nutrition. Red beans contain a lot of fiber to treat constipation and potassium to promote diuresis. Both of these ingredients can excrete cholesterol and salt that the human body does not need, so they are considered to have detoxification effects.

The most noteworthy thing about kidney bean is that it contains no fat and high fiber, which helps to lower cholesterol and control blood sugar, and is also suitable for diabetics. Vegetarians are also very suitable for eating more red kidney beans, because they don't eat meat, which contains nutrients such as iron and protein. Therefore, vegetarians can supplement iron deficiency by eating red kidney beans, thus helping to produce red blood cells and preventing iron deficiency anemia.

Extended data

Acacia (scientific name: Abrus precatorius? L.): Grapevine. The stems are thin and branched. Pinnate compound leaves; Leaflets 8- 13 pairs, membranous, opposite, nearly oblong. Racemes axillary, 3-8 cm long; Inflorescence axis thick and short; Flowers are small, dense and head-shaped; Calyx bell-shaped, calyx teeth 4-lobed, thick white; Corolla purple, flag handle triangular, wing flap and dragon bone flap narrower. The pod is oblong, the petals are leathery, cracking at maturity, and there are 2-6 seeds; The seeds are oval, smooth and shiny, with about two-thirds bright red on the upper part and about one-third black on the lower part. The flowering period is from March to June, and the fruiting period is from September to June.

Red kidney bean is native to South America and is one of the most nutritious dried beans. After being cooked, red kidney beans can be added to salads or dishes, and can also be used to cook rice, curry or vegetable soup to add more nutrition to the family.

reference data

Baidu Encyclopedia _ Red Bean

Baidu Encyclopedia _ Red Kidney Bean