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