The efficacy and function of broad bean leaves

Broad beans are not only a very good delicacy, but broad bean leaves also have certain functions and effects. Today I will tell you about the effects of broad bean leaves.

【source】

It is the leaf of the legume plant broad bean. The plant morphology is detailed in the broad bean strips.

【Chemical composition】

The leaves contain kaempferol-3-glucoside-7-rhamnoside, D-glyceric acid, 5-formyltetrahydrofolate, phylloquinone, and free amino acids, among which aspartic acid is the most abundant, and are rich in dopa.

【Pharmacological action】

Glyceric acid has a diuretic effect.

【Plant morphology】

Broad bean is a biennial or annual herb, 30-180cm tall. Stem erect, unbranched, glabrous. Even-pinnate compound leaves; stipules large, semi-arrow-shaped, white membranous margins, sparsely serrated, glabrous, rachis with degenerate tendrils at top; leaflets 2-6, leaf blades elliptic or broadly elliptic to oblong, 4-8cm long, 2.5-4cm wide, apex rounded or obtuse, with a fine tip, base cuneate, entire margin. The racemes are axillary or solitary, with a very short peduncle; the calyx is bell-shaped, membranous, about 1.3cm long, 5-lobed, with lanceolate lobes, and the upper two lobes are slightly shorter; the corolla is butterfly-shaped, white, with red-purple markings, the standard petal is obovate, blunt at the tip, gradually narrowing towards the base, the wing petals are elliptical, round at the tip, and the base is ear-shaped and triangular, with claws on one side, and the keel petals are triangular and semicircular, with claws; 10 stamens, two bodies; the ovary is sessile and glabrous, and there is a tuft of white beards on the back of the tip of the flower branch. The pods are oblong, thick, 5-10cm long, and about 2cm wide. There are 2-4 seeds, which are elliptical and slightly flat. The flowering period is March-April, and the fruiting period is June-August.

[Nature and flavor] "Compendium of Materia Medica": bitter, slightly sweet, warm.

【Identification of raw medicinal materials】

Identification of properties: Pinnate compound leaves with 2-6 leaflets; narrow linear tendrils at the top of the rachis; large and obvious semi-arrow-shaped stipules at the base of the petiole. The leaflets are mostly wrinkled and curled, and the intact ones are elliptical or broadly elliptical when flattened, 4-8cm long, 2.5-4cm wide, with blunt tip and fine tip, and cuneate base. It is brittle and easy to break. It has a slight smell and a light taste.

【Function and indications】

Treat hemoptysis caused by pulmonary tuberculosis, gastrointestinal bleeding, traumatic bleeding, and ecthyma.

①Wang Ying's "Food Materia Medica": If a person is drunk and unconscious, fry broad bean sprouts with oil and salt, and boil them into soup and drink it.

② "Modern Practical Chinese Medicine": It is a hemostatic agent that can treat all types of bleeding.

③ "Sichuan Traditional Chinese Medicine Records": Wind-control pill.