Product name: davurian buckthorn bark extractive       
Plant origin: bark of davurian buckthorn bark
Plant origin: East China, South China, Southwest China, Hebei, Shanxi, Shaanxi, Gansu
Effective constituent: rheum emodin, aloe-emodin, chrysophanol and rhamnose
Product specification: 10% total anthraquinone/10:1  20:1  50:1
Testing method: UV/TLC
Appearance: brownish-yellow powder
Smell character: distinctive smell
Function and uses: wandering arthritis and heat toxin
Recommended dosage: 5-15g/day
Solubility: soluble in water
Scope of application: health care product, drugs