Polysaccharides, process for producing polysaccharides, uses of polysaccharides and Azotobacter beijerinckii TNM1
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United States of America Patent
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Jun 18, 1996
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N/A
app pub date -
Feb 25, 1994
filing date -
Mar 1, 1993
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Expired
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Abstract
Disclosed are novel polysaccharides having the following physicochemical properties: (1) a molecular weight determined by gel filtration chromatography is about 5.times.10.sup.3 to 10.times.10.sup.6, (2) the constituent glycoses are D-galacturonic acid, L-rhamnose and D-glucose, (3) the constituent glycoses are joined substantially by 1,3-linkages, and (4) a configuration of D-galacturonic acid is .alpha., that of L-rhamnose is .beta. and that of D-glucose is .alpha.. A process for producing polysaccharides composed of D-galacturonic acid, L-rhamnose and D-glucose, use of the polysaccharides and a strain for producing the polysaccharides are also disclosed.
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