Antiviral polysaccharide
US5585365A · kind A · utility
12Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 1994 |
| Grant date | Dec 17, 1996 |
| Priority date | — |
| Expiry date | Jul 8, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23G2200/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An antiviral polysaccharide purified from an extract prepared by extracting Spirulina cells with hot water, having the following properties: PA1 (1) it comprises rhamnose, glucose, fructose, ribose, galactose, xylose, mannose, glucuronic acid and galacturonic acid; PA1 (2) it exhibits an absorption at 480 nm in phenolsulfuric acid reaction; and PA1 (3) it has a molecular weight of 250,000 to 300,000 Daltons as determined by gel filtration; and pharmaceuticals, food and feed, comprising said antiviral polysaccharide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.