Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1990-03-08
1993-12-07
Brown, Johnnie R.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
5361231, 536124, C08B 3700, C07H 100, C07H 300
Patent
active
052684679
ABSTRACT:
Polysaccharides from the gum exudates of Astragalus species Tragacantha section plants are extracted and modified into water-soluble fractions free from small molecular impurities. Such polysaccharide fractions upon parenteral administration inhibit specific tumors and viruses in mammals away from the site of injection, presumably by immunostimulatory effects. These polysaccharide fractions show no toxicity upon parenteral administration.
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Brown Johnnie R.
Kunz Gary L.
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