Isolation and partial characterization of biologically active polysaccharides from Plantago major L

arabinosa arabinose chemical composition composition chimique drug plants extractos vegetales facteur immunologique feuille galactosa galactose galacturonic acid genre humain glucosa glucose hojas immunological factors leaves mankind mannose manosa monocitos monocyte monocytes organosulphur compounds plant extracts plantaginaceae plantago plantago major plantas medicinales plante medicinale ramnosa rhamnose sucre acide sugar acids tumour necrosis factor xilosa xylose