Plant source: Astragalus membranaceus (Fisch.) Bunge.

Appearance:： Brown powder

CAS:  20633-67-4 

Molecular Weight: 446.40

Molicular Formula: C22H22O10

Assay:0.5%;  1%;  5%

Testing method： HPLC

Activity: Improve immunity; Antioxidant; Anti radiation; Anti cancer; Improve memory; Antibacterial and anti viral;  Protect the cardiovascular, liver, kidney and lung; Lowering blood fat, lowering blood sugar

Molecular Structure：