摘要 |
FIELD: medicine, pharmaceutics. ^ SUBSTANCE: invention refers to pharmaceutics. It involves Salix spp branches and bark extraction with 1-3 atomic alcohol or acetone, or mixture of these solvents, or aqueous solutions of these solvents, or water alone (crude extract); b) removal of water-insoluble (or poorly soluble) tannins;) removal of water-soluble tannins; d) adsorption resin column cleaning for increasing salicin derivatives concentration. ^ EFFECT: extract is used for treating arthrosis, rheumatoid arthritis and chronic degenerative arthropathies containing salicin derivatives to 50%, tannin max 5% and oligomeric procyanidins max 5%. ^ 12 cl, 9 ex |