Polysaccharide RBS substance and antitumor agent containing same
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United States of America Patent
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Nov 2, 1982
Grant Date -
N/A
app pub date -
Aug 1, 1980
filing date -
Aug 13, 1979
priority date (Note) -
Expired
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Abstract
A polysaccharide RBS substance having the ultraviolet absorption spectrum depicted in FIG. 1 and the infrared absorption spectrum depicited in FIG. 2 is obtained from rice bran by extraction with hot water. These substances have been tested for anti-tumor activity against Sarcoma 180 ascites tumor and against Ehrlich ascites tumor and were determined to have anti-tumor activity against these tested tumors.
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