Chinese Name: Dan Dou Gu
[alias]: soybean, white bean.
[source]: it is the fermented product of soybean glycinemax (L.) Merr.
[collection and preparation]: take mature seeds, add mulberry leaves and Artemisia annua liquid, steam them thoroughly, and then ferment them.
[character and taste]: the processed seeds are oval, slightly flat, 0.6-1cm long and 0.5-0.7cm in diameter. The surface is black and crumpled. It is soft in texture, with brown black section. It is fragrant and slightly sweet. It is cool in nature, bitter and pungent in taste.
[plant morphology]: annual herb, 50-150cm high. The stem has many branches and dense yellowish brown long bristles. Its petiole is 20cm long and densely covered with yellow long bristles; its leaflets are ovate, broadly ovate or narrowly ovate, and the leaflets on both sides are usually narrowly ovate, 5-15cm long and 3-8.5cm wide; its flag petal is obovate, its wing petal is oblong, and its keel petal is obliquely obovate. The pods are banded rectangular, yellowish green or yellowish brown, densely hairy, 5-7cm long and 1cm wide. Seeds 2-4, ovoid or subglobose. The flowering period is from June to July and the fruiting period is from July to September.
[growing place]: it is cultivated all over the country, and most of them are produced and sold by themselves.
[chemical composition]: the seed contains protein, fat, choline, xanthine, hypoxanthine, carotene, vitamin B1, B2, nicotinic acid, asparagine, glycine, phenylalanine, leucine, isoleucine, etc.
[function indications]: relieving symptoms, eliminating troubles, and propagating stagnant heat. It is used for cold, headache, dysphoria, chest tightness and insomnia.
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