Fructus Evodiae

 

Source
Nearly matured fruit of Evodia rutaecarpa (Juss.) Benth., family Rutaceae.

Characteristics
Fruit quinquangular-oblate, 2-5 mm in diameter. Surface yellow-brown, coarse, with numerous oil spots; apexes dehiscing as quinquangular stars, bases often remaining fruit stalk covered with yellow downs. Strongly aromatic in odour. Acrid and bitter in taste, heat in nature, mildly toxic, and attributive to liver, spleen, stomach and kidney channels.

Indication
1. Disperse the depressed liver energy and alleviate mental depression, expel cold and alleviate pain, lower the adverse rising energy and stop vomiting: For stomach-cold syndrome with acid regurgitation and vomiting; for liver-cold syndrome involving the stomach with salivation and parietal headache; for incoordination between the liver and the stomach with hypochondriac pain, headache,epigastric and abdominal pain; colic of cold type, cold pain in the lower abdomen of women, beriberi of cold-dampness type with pain, etc.
2. Dry dampness: For pruritus vulvae and eczema.
3. Lower blood pressure: For hypertension. Also used for aphthae, infantile indigestion; and for abdominal distension and intestinal paralysis, used together with Fructus Piperis Nigri.

Pharmacological Action
1. Its volatile oil containing evoden inhibits the abnormal fermentation in the intestine.
2. Evodin, evodiamine and rutaecarpine, are active components for analgesic.
3. Oral administration or injection can lower blood pressure in normal animals or those with renal hypertension.

Administration Decoction:
3-9g. External use: Powder prepared with vinegar for aphthae and abdominal distention by local application


   

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Mr. Wang Tao

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