METHOD TO OBTAIN ANTIPHLOGISTIC ACTIVITY-BEARING POLYSACCHARIDE SUM Russian patent published in 2002 - IPC

FIELD: pharmaceutics, medical industry. SUBSTANCE: as a raw material method deals with Malva pusilla Smith grass or its oil meal after extraction of polyphenolic compounds by 70%-ethanol. Raw material or oil meal are extracted by 70%-ethanol, then - by water at heating up to 95 C at raw material : extragent ratio being 1: 10 for 30 min. Repeated extraction and separation of raw material is carried out twice. Plant material is separated by centrifuging and combined extracts are evaporated. Polysaccharides are precipitated by a 4-fold amount of 96%-ethanol at room temperature. Precipitated residue is filtrated, washed by 96-% ethanol and dried out. EFFECT: method enables to increase product output and develop raw material base. 1 tbl