Rhizoma Ligustici Chuanxiong
The rhizome of Ligusticum chuanxiong Hort., family Umbelliferae.
Rhizome nodular fist-like masses, 1.5-7.0 cm in diameter. Surface yellow-brown,
with many and dense stem nodes, protruding, with rounded depressed stem
scars on the upper part, and many tubercular root scars on the lower part
and nodes. Prepared as crosscutting pieces, margm of the pieces irregularly
wavy, grey-yellow. Annular wavy cambium, and brown oily spots scattered.
Strongly aromatic in odour. Acrid and bitter in taste, warm in nature,
and attributive to liver, gallbladder and pericardium channels.
1. Promote the circulation of blood and vital energy: For stagnation of
blood and vital energy resulting in angina pectoris, headache, chest pain,
abdominal pain, dysmenorrhea, amenia, difficult menstruation, dead fetus
and retention of placenta, apoplexy, trauma, bony spur, or thromboangiltis
2. Expel wind and alleviate pain: For recurrent headache, dizziness, fro
headache of wind-cold type and rheumatism. Also used for Leukocytopenia.
1. Its active component, tetramethylpyrazine, can dilate the coronary
artery and increase the coronary flow.
Its aqueous solution and alcoholic infusion can lower blood pressure.
3. Its alkaloids, ferulic acid and cnidilide are antispasmodics.
4. Inhibiting the growth of intestinal gram-negative bacteria and skin
3-9g; 9-I 5g for serious cases. Tetramethylpyrazine injection: 40-120
mg added in glucose solution IV in drips daily for angina pectoris and
ischemic apoplexy. Sodium ferulate tablet: 10 mg tid for leukocytopenia
and pectoris. Powder: External application for bony spur and spinal hyperplasia.