1. Aliases

Spicy black beans, light black beans, and big black beans.
2. Plant morphology
Annual herbaceous plant. The stem is upright or has a vine like upper part, densely covered with yellow long hard hairs. 3 compound leaves; Petioles long, densely yellow and hard, stipules small, lanceolate; Three leaflets, ovate, broadly ovate, or narrowly ovate. Usually, the leaflets on both sides are obliquely ovate, with blunt or acute tips at the apex. The midrib often extends into a spiny tip, and the base is round, broadly wedge-shaped, or nearly truncate, entire or microwave shaped; Both sides are covered with yellow long hard hairs. The raceme is short and broad, axillary, with 2-10 flowers; Flowers white or purple; Calyx green, bell shaped, apex 5-toothed, covered with yellow long hard hairs; The corolla is butterfly shaped, the flag petal is inverted egg shaped, the apex is circular, slightly concave, the wing petal is grate shaped, with fine claws, the keel petal is slightly rectangular, and the base has claws; 10 stamens, 2-bodied; Ovary linear elliptical, covered with yellow long hard hairs, with underdeveloped glands at the base, short style, stigma head shaped. The pods are rectangular and lanceolate, brown in color, densely covered with yellow long hard hairs. The seeds are ovoid or nearly spherical, and the seed coat is yellow, green, or black. The flowering period is in August, and the fruiting period is in October.
3. Origin distribution
Cultivated nationwide.
4. Harvesting and processing
Harvest the fruits in October when they are ripe, remove the shells and kernels. Prepare 70-100 grams of mulberry leaves and Artemisia annua each, boil with water, filter, and mix the decoction with 1000 grams of clean soybeans. After being fully absorbed, steam it through, take it out, cool it slightly, and then place it in a container. Cover it with fried mulberry leaves and Artemisia annua residue, let it ferment until it is coated with yellow clothes. Remove the residue, wash it, and leave it in the container for another 15-20 days until it is fully fermented and the aroma overflows. Take it out, steam it slightly, and dry it to obtain.
5. Characteristics of medicinal herbs
Oval, slightly flattened, 0.6-1 cm long, with a diameter of 0.5-0.7 cm. The surface is black, wrinkled and uneven, with a yellow gray film like substance on it. The outer skin has many loose bubbles, some of which have fallen off, revealing brown seed kernels. Soft in texture, with a brownish black cross-section. The aroma is fragrant and the taste is slightly sweet.
6. Nature, taste, and meridian tropism
Cold in nature, bitter and spicy in taste. Return to the lung meridian and stomach meridian.
7. Effect and function
Relieve external symptoms, eliminate troubles, and promote heat stagnation. Xin Liang Jie Biao Yao, classified under the category of Jie Biao Yao.
8. Clinical applications
Used for colds, cold and hot headaches, as well as restlessness, chest tightness, and restlessness. Dosage 6-12 grams.
9. Pharmacological research
Light fermented soybean has an anticoagulant effect.
10. Chemical composition
It mainly contains components such as protein, fat, carbohydrates, vitamins, etc.
11. Taboos for use
Those with weak stomach qi and prone to nausea should take it with caution.
12. Compatibility prescription
① After treating typhoid fever and sweating profusely for three or four days, my chest feels stuffy: one liter of fermented soybeans and one mixture of salt. Boil four liters of water and take one and a half liters. When taking different medications, one should vomit. ("Mei Shi Ji Yan Fang")
② To treat malaria, abdominal distension, cold and heat, and pain all over the body: light fermented black beans, five in one, and 15 grams of betel nut. Two bowls of water, one bowl of frying, you have to spit it out and it will heal. (Behind the Elbow)
③ Not only does it treat bloody dysentery: 60g of light fermented black beans and 45g of garlic meat (simmered). A total of tamping into cream, pill wutong son big. Take a hundred pills every morning and take white soup. (Boji Fang)
④ Treatment of hemorrhoids and leakage: Divide into fermented black beans (stir fried) and locust seeds (stir fried). At the end. Take 30 grams per serving, water fried and hollow. (Hygiene Simplified Formula)
⑤ To treat phlegm and drink, headache, cold and heat, nausea and vomiting, such as typhoid fever: light soy sauce triple combination, 15 grams of prepared Pinellia ternata, 9 grams of Poria cocos, and ten slices of ginger. Boiled in water. (Fang Mai Zheng Zong)