Introduction of Dan Dou Chi:Semen Sojae Preparatum or Fermented Soybean.

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Fermented Soybean, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Glycine max(L.)Merr., with a detailed introduction to the botanical features of this plant, the growth characteristics, and ecological environment of this plant, the features of the herb Fermented Soybean, its pharmacological actions, medicinal efficacy, and administration guide.

Semen Sojae Preparatum(Fermented Soybean).

Fermented Soybean:herb photo Pin Yin Name: Dàn Dòu Chǐ.
 English Name: Fermented Soybean.
 Latin Name: Semen Sojae Preparatum.
 Property and flavor: neutral in nature, bitter, pungent.

 Brief introduction: The herb Semen Sojae Preparatum is the fermented preparation of the ripe seed of Glycine max(L.) Merr., used in the early stage of febrile diseases to relieve exterior syndromes and in the late stage to relieve fidgetiness and insomnia. The herb is commonly known as Semen Sojae Preparatum, Fermented Soybean, Dàn Dòu Chǐ.

 Botanical source: The herb Semen Sojae Preparatum (Fermented Soybean) is the fermented preparation of the ripe seed of Glycine max(L.) Merr., it is a plant of the Glycine Willd. Genus, the Leguminosae family (Fabaceae, legume, pea family) of the Rosales order. It is also known as Soybean.

 Glycine max L.Merr.:green plant with pods Herbal classic book defined the herb Semen Sojae Preparatum (Fermented Soybean) as the fermented preparation of the ripe seed of :(1).Glycine max(L.) Merr. This commonly used species is introduced:

(1).Glycine max(L.)Merr.


 Botanical description: It is commonly known as soy. Herbs annual and upright, it grows up to 60~180 cm tall. Stem is stout, densely brown long hirsute. Petiole is long, densely yellow hirsute; Stipules are small, lanceolate; Leaves are trifoliate, apex lobules rhomboid ovate, 7~13 cm long, 3~6 cm wide, apex is acuminate, base is broadly cuneate or rounded, white villous on both sides, lateral lobules are smaller, obtuse ovate; Leaf axis and petiole densely yellow hirsute. Racemes are axillary; Bracts and bracteoles are lanceolate, hairy; Calyx kushiform, 5 calyx teeth, lanceolate, below 1 tooth longest, all densely white villous; Corolla is small, white or mauve, slightly longer than calyx; Flag apex is slightly concave, wing with 1 ear, keel falciform; 10 stamens, two bodies; Ovary is linear, hairy. Pods are banded oblong, slightly curved, pendulous, yellow-green, densely yellow hirsute. 2~5 seeds, yellow-green or black, ovate to subglobose, ca. 1 cm long. Its flowering period is from June to July, fruiting period is from August to October.

 Glycine max L.Merr.:dried plant with pods Ecological environment: the plant is widely distributed throughout China and many other areas of the world.

 Trait identification: the bean is elliptic, slightly flat, 0.6~1 cm long and 0.5~0.7 cm in diameter. The surface is black, wrinkled uneven, dull, one side has brown stripe kind navel, bead hole is not obvious. 2 cotyledons, thickened. Soft, cross-section is brown and black. Smells slight, taste light sweet. The herb of better grade is large, full and dark grain.

 Growth characteristics: The plant requires plenty of sunlight, sufficient nitrogen, phosphorus, and potassium. Soybean seeds germinate only when water absorption reaches 5%, soil moisture must be sufficient when sowing, field moisture content cannot be less than 60%.

 Characters of herbs: The dried herb is oval, slightly flat, 0.6~1 cm long and 0.5~0.7 cm in diameter. The surface is black, wrinkled and uneven, and there is a long oval hilum on one side. The texture of the herb is slightly soft or brittle, the fracture surface (the cross-section) is brown-black. The smell is aromatic, and the taste is slightly sweet.

 Pharmacological actions: ①.Lipid-lowering effect; ②.Anti-tumor effect.

 Medicinal efficacy: Relieving exterior syndrome, relieving restlessness, relieve stagnant heat, indicated for the treatment of cold, headache of cold and heat, irritable and chest tightness, dysphoria, and lack of sleep.

 Administration of Semen Sojae Preparatum (Dàn Dòu Chǐ): 
 
Reference: Administration Guide of Semen Sojae Preparatum (Dàn Dòu Chǐ)
TCM Books: ①.Internally:6~12 grams; ②.2~4 qian (about 6~12 grams), water decoction; prepare to finely ground herb powder and prepared to pill. Externally: mashed and apply stick or stir-bake to brown and prepare to ground herb powder, apply stick; ③.5~15 grams, water decoction, or prepare to pill. Externally: proper amount, mashed and apply stick, or stir-bake to brown, prepare to finely ground herb powder and apply stick.

 
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  • 1.Introduction of Dan Dou Chi:Semen Sojae Preparatum or Fermented Soybean.

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