Radix Angelicae Dahuricae

 

Source
Root of Angelica dahurica (Fisch. ex Hoffm.) Benth.et Hook. f. and A. dahurica (Fisch.ex Hoffm.) Benth. et Hook.f. var. forrnosana (Boiss.) Shan et Yuan, family Umbelliferae.

Characteristics
Root conical, with basal scar of the stem at the top and large longitudinal long protruded lenticels scattered on the surface. Cross section white and powdery, with brown oil spots, cambium rounded. Aromatic in odour. Taiwan Angelica square at the upper part of the root, lenticels arranged in four longitudinal rows, square cambium present at the upper part. Acrid in taste, warm in nature, and attributive to lung and stomach channels.

Indication
I. Expel wind evil and induce sweating to expel the exogenous evils from the body surface, clear the nasal passage and alleviate pain: For common cold of wind-cold type with stuffy nose and headache; sinusitis and toothache.
2. Relieve carbuncle and drain pus: For the initial stage of carbuncle.
3. Deprive the evil dampness from the middle-jiao: For leukorrhagia of cold dampness type and prurigo of wind dampness type.

Pharmacological Action
1. Byak-angelicin contained in its root can dilate the coronary arteries.
2. Stimulating the respiratory center, vasomotor center and nervus vagus.
3. Its decoction exerts bacteriostatic effect.
4. Imperatorin, another active component, is effective for psoriasis.

Administration Decoction: 3-10g.


   

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