Polysaccharides N9GI, their preparation and therapeutic composit

Details Polysaccharides N9GI, their preparation and therapeutic composit Polysaccharides N9GI, their preparation and therapeutic composit

1983-02-15

1985-08-20

Brown, Johnnie R.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Carbohydrate doai

536114, 536123, 536127, 536128, C08B 3700, C07H 100

Patent

active

045364966

ABSTRACT:
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 polysaccharide fractions. Polysaccharide N9GI further treated with a gel-filtrating agent with a fractionation range molecular weight from 1.times.10.sup.3 -2.times.10.sup.5 to 1.times.10.sup.3 -8.times.10.sup.5. There are obtained polysaccharide N9GIa and polysaccharide N9GIb respectively from the first and second fractions of the two divided polysaccharide fractions.

REFERENCES:
patent: 2871235 (1959-01-01), Jilovice
patent: 4229440 (1980-10-01), Murofushi et al.
patent: 4304906 (1981-12-01), Kang et al.
patent: 4366308 (1982-12-01), Soma et al.

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