改写句子：The sulfated AbM polysaccharides had strong antiviral properties and the half-maximal inhibitory concentrations approached that of the positive control azidothymidine Sulfated modification of AbM

The AbM polysaccharides that were sulfated demonstrated potent antiviral properties, with half-maximal inhibitory concentrations that were comparable to azidothymidine, the positive control. By modifying AbM polysaccharides with sulfates, their pharmacological activity against HIV was enhanced, indicating their potential as alternative bioactive macromolecules for biomedical use in HIV/AIDS.