1. Aliases
Black soybeans, black beans, and winter beans.2. Plant morphology
Annual entangled herbaceous plant with slender stems and small branches, sparsely covered with brown long hard hairs. Leaves with 3 leaflets, stipules ovate lanceolate, acute pointed, covered with yellow pubescence. The terminal leaflets are ovate or ovate lanceolate, with acute to blunt apex and nearly circular base. The lateral leaflets are obliquely ovate lanceolate. The raceme is usually short, sparsely growing up to 13 centimeters; The flowers are small, about 5 millimeters long; Pedicels densely covered with yellow long hard hairs; Bracts lanceolate; Calyx campanulate, densely hairy, with 5 lobes; The corolla is light red purple or white, with a nearly circular flag petal and an oblique obovate wing petal. It has obvious ears, and the keel petal is shorter than the flag petal and wing petal; The style is short and curved to one side. The pods are round in shape, slightly curved, slightly flattened on both sides, densely covered with long hard hairs, slightly constricted between seeds, and prone to cracking when dried; 2-3 seeds, elliptical, slightly flattened, 2.5-4 millimeters long and 1.8-2.5 millimeters wide, brown to black, flowering from July to August, and fruiting from August to October.
3. Origin distribution
Born in damp fields, gardens, ditches, riverbanks, lakes, swamps, meadows, coastal and sunny shrubs or reeds at an altitude of 150-2650 meters, rarely seen in sparse forests along riverbanks. Currently, artificial cultivation is prevalent throughout the country, except for Xinjiang, Qinghai, and Hainan.
4. Harvesting and processing
Harvest mature fruits in autumn, dry them in the sun, crush the fruit shells and seed them to remove impurities.
5. Characteristics of medicinal herbs
Black beans are elliptical or spherical in shape, slightly flattened, 6-12 millimeters long, and 5-9 millimeters in diameter. The surface is black or grayish black, smooth or wrinkled, glossy, with a light yellow white oval shaped hilum on one side. Hard texture. The seed coat is thin and brittle, with 2 cotyledons, thick and yellowish green or light yellow. Mild in flavor, with a bean like odor when chewed.
6. Nature, taste, and meridian tropism
Mild in nature and sweet in taste. Guipi Meridian and Kidney Meridian.
7. Effect and function
Benefiting essence and improving eyesight, nourishing blood and dispelling wind, promoting diuresis, and detoxifying. It belongs to the category of diuretic and anti-inflammatory drugs that promote diuresis and dampness.
8. Clinical applications
Dosage: 9-30 grams; Apply an appropriate amount externally and wash the affected area with decoction. Indications: Yin deficiency, restlessness and thirst, dizziness and dizziness, body deficiency and excessive sweating, kidney deficiency and lower back pain, edema and urinary incontinence, numbness of hands and feet, and poisoning caused by medication and food.
9. Pharmacological research
1. Estrogen and anti estrogenic effects. 2. Lipid lowering and anti atherosclerosis effects. 3. Prevention and treatment of osteoporosis. 4. Antitumor effects. 5. Antioxidant and anti-aging effects. 6. Anti diabetes and its complications. 7. Effects on the cardiovascular system and radiation resistance.
10. Chemical composition
Rich in protein, fat, carbohydrates, carotene, vitamins B ₁, B ₂, niacin, etc. And contains isoflavones such as daidzin and genistein. Saponins: Soy soap alcohols A, B, C, D, E, and sugars that bind to saponins include glucose, xylose, galactose, as well as choline, folic acid, folic acid, pantothenic acid, biotin, etc.
11. Taboos for use
Patients with spleen deficiency, abdominal distension, and intestinal slippage and diarrhea should take medication with caution.
12. Compatibility prescription
① Treatment of acute and chronic nephritis: 60-95 grams of black soybeans and 125-155 grams of crucian carp. Stewed in water. (Fujian Pharmacopoeia)
② Treating blackhead and furuncle: Soak black beans in water to make them swell and soften, mash them and place them in a warm place. After becoming moldy, apply them to the affected area, which can cause the swelling and swelling of the furuncle to subside or the head to protrude and heal
③ Treatment for kidney deficiency, lower back pain, and nocturia frequency: black beans in moderation. Stew pork belly and take it. (Sichuan Journal of Traditional Chinese Medicine, 1960 edition)
④ Treating fetal fever in children: two coins of black beans, one coin of licorice, seven inches of lamp heart, and one piece of light bamboo leaf. Boiled in water (Quan Yu Xin Jian)
The content of the article is for clinical reference only. Non professionals in traditional Chinese medicine are not allowed to try medication.
