Synthesis and Antiviral Activity of Astragalus mongholicus Polysaccharide Sulfate

AIM The purpose is to prepare \%Astragalus mongholicus\% Bunge polysaccharide sulfate (PAMS), and to search for the substance with high antivirus activity. METHODS PAM was obtained by reaction of purified \%Astragalus mongholicus\% Bunge polysaccharide