Astragalus polysaccharide (APS) is the main component of Astragalus to enhance immune function, and has the function of anti-tumor.The molecular weight distribution of Astragalus polysaccharide is wide, ranging from 1×10 6 to 1×10 3Da, and the molecular weight distribution of the polysaccharide with the best immune activity is 1 × 10 5~5 × 10 4Da. The Astragalus polysaccharide produced by our company is in this molecular weight range, with the content of 40~70%.

Astragalus polysaccharide is also widely used in animal husbandry, in addition to human health. 45% Astragalus polysaccharide powder and Astragalus injection that are recorded in China Veterinary Pharmacopoeia, can prevent bacterial and viral diseases and improve the immunity of livestock. Astragalus polysaccharide powder also can be used as feed additive to improve feed conversion rate of piglets.