Immunostimulating polysaccharides from cell cultures of Echinacea purpurea (Linné) Moench and Echinacea angustifolia (De Vandolle), process for their preparation and pharmaceutical compositions containing them

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.