Immunostimulating polysaccharide from cell culture of Echinacea purpurea or Echinacea angustifolia, method for producing the same, and preparation containing the same

摘要

The present invention pertains to plant polysaccharides acting on the immune system and a process for isolating the polysaccharides from plant cell cultures. The purified polysaccharides can be used as drugs, specifically as immunomodulators or immune mediators, in animal medicine.