Active Ingredient: Salidroside,rosavin / rosavins Use Part: Root Appearance: Brown Powder Mesh size: 80 Mesh Test Method: HPLC Content: 1%-5% Sepcifation: Rosavin 1%-5%, rosavins 1%-5%, salidroside1%-3% Action: It has anti-aging ,anti-anoxia, anti-fatigue and anti-stimulus effect. It also can reduce hyperglycemia visibly. Shelf life: Two years when properly stored. Package: 25kg/drum,