A hot-water extract of the bark of Melia azadirachta L. is treated with a gel filtrating agent with a fractionation range molecular weight from 1.times.10.sup.3 -1.times.10.sup.5 to 1.times.10.sup.3 -1.5.times.10.sup.5. There is obtained polysaccharide N9GI from the first fraction of the three divided...http://www.google.fr/patents/US4536496?utm_source=gb-gplus-shareBrevet US4536496 - Polysaccharides N9GI, their preparation and therapeutic compositions containing them
Polysaccharides N9GI, their preparation and therapeutic compositions ...
