Efficient method for producing compositions enriched in anthocyanins
US6780442B2 · kind B2 · utility
11Cited by
11References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2001 |
| Grant date | Aug 24, 2004 |
| Priority date | — |
| Expiry date | Nov 25, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P39/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention includes both a one-column process and a two-column process for the preparation of compositions enriched for anthocyanins from a crude plant extract. Both processes include a novel column purification step using a brominated polystyrene resin. This invention also includes extracts enriched for anthocyanins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.