Quercetin-containing coloring
US5445842A · kind A · utility
45Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1993 |
| Grant date | Aug 29, 1995 |
| Priority date | — |
| Expiry date | Nov 22, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23L5/43
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
A quercetin-containing colorant which has as an effective component a quercetin included by cyclodextrin. Effective use thereof as a colorant is possible by imparting thereto resistance against light, heat and chemicals to quercetin which is a flavonoid yellow substance. The colorant may be added to various food products for use of quercetin as a stable coloring matter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.