Pectic polysaccharides purified from Angelica gigas nakai and purification method and use as immunostimulating agent thereof
US6420348B1 · kind B1 · utility
2Cited by
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7Claims
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Key dates
| Filing date | Sep 8, 2000 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | Sep 8, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B37/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An acidic polysaccharide isolated from aqueous extracts of Angelica gigas Nakai roots is disclosed. The compound has both immunostimulatory and anti-neoplastic activity. The compound is comprised primarily of galacturonic acid, arabinose and galactose along with traces of xylose, rhamnose amd mannose. The molecular weight of the compound is about 10,000 Daltons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.