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

TCM Herbalism:Medicinals and Classifications. ✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.

Classifications of Herbs:Pungent-cool Exterior-releasing Herbs.

 TCM Herbs Icon01 Introduction: Pungent-cool exterior-releasing herbs: an agent or substance herbs pungent in flavor and cool in property, which is usually used for treating a wind-heat exterior syndrome.

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: plain, bitter, pungent.

 Brief introduction: The herb Semen Sojae Preparatum is the fermented preparation of the ripe seed of Glycine max(L.) Merr.(family Leguminosae), 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 of the Rosales order. It is also known as Soybean.

 Glycine max L.Merr.:green plant with pods Common official herbal classics and other famous herbal classics 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 as:

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

 Botanical description: It is commonly known as soy. Herbs annual erect, 60~180 cm tall. Stem stout, densely brown long hirsute. Petiole long, densely yellow hirsute; Stipules small, lanceolate; Leaves trifoliate, apex lobules rhomboid ovate, 7~13 cm long, 3~6 cm wide, apex acuminate, base broadly cuneate or rounded, white villous on both sides, lateral lobules are smaller, obtuse ovate; Leaf axis and petiole densely yellow hirsute. Racemes axillary; Bracts and bracteoles 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 slightly concave, wing with 1 ear, keel falciform; 10 stamens, two bodies; Ovary 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 widely distributes 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. Large, full and dark grain is preferred.

 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. The outer skin is black, slightly longitudinally wrinkled, with a yellowish-gray membranous, lackluster appearance, with a brown striate hilum on one side, and the orifices are unobvious. The outer skin is much loose bubble, some already shed, show brown seed kernel. Crisp quality, easy to break, the cross-section is brown-black. The smell is fragrant and 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: Internally:6~12 grams(CP), or 2~4 qian(about 6~12 grams), water decoction; grinded to a fine powder and prepared to pill. Externally: mashed and apply stick or stir-bake to brown and grinded to powder, apply stick(DCTM), or 5~15 grams, water decoction, or prepare to pill. Externally: proper amount, mashed and apply stick, or stir-bake to brown, grinded to a fine powder and apply stick(CHMM).

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  • 1.Introduction of Dan Dou Chi:Semen Sojae Preparatum or Fermented Soybean.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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