【Trade Name】CuYanHuSuo (powders) 

【Origin】Dry tubers of Corydalis yanhusuo W. T. Wang 

【Description】Greenish-yellow powders.

【Indications】 various pains (non-addictive analgesics); Paroxysmal atrial fibrillation; Rapid supraventricular 

arrhythmia; superficial gastritis; Acute or chronic torsion and contusion;

【Dosage and Administration】1～2g per adult orally, 2～3 times daily; 0.5g per child orally, 2～3 times daily; 

【Packages】Box containing 1, or 10 bags with 3g each.

【Storage】Store in dry place, mothproofing.

【Validity】36 months.

【Executive Standards】[Pharmacopoeia of the People's Republic of China] Part I and Part IV

【Bioactive Constituent Studies】1. Isoquinoline alkaloids：

2. Others: sterols, saponins, etc.

【Pharmacological Studies】1. Analgesic, sedative, anticonvulsant, antispastic effects ; 

2. Increasing coronary blood flow and myocardial con-tractive power;

3. Antiarrhythmia; 

4. Lowering blood pressure; 

5. Protecting gastric ulcer; 

6. Muscular relaxation.

【Other Studies】

1. 1.Aqueous exact studies：

2. Stability studies: