Polysaccharide RBS substance and antitumor agent containing same
US4357323A · kind A · utility
14Cited by
3References
2Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 1, 1980 |
| Grant date | Nov 2, 1982 |
| Priority date | — |
| Expiry date | Aug 1, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.