Method for production of processed and roasted coffee bean
US8318228B2 · kind B2 · utility
6Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2007 |
| Grant date | Nov 27, 2012 |
| Priority date | — |
| Expiry date | Jan 15, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23F5/185
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
The present invention provides refined roasted coffee beans having a Hunter L value of 10 to 30 and a hydroxyhydroquinone content of not higher than 30 mg/kg by contacting an aqueous solvent with raw material roasted coffee beans. The invention also provides a process for producing refined roasted coffee beans, which includes contacting raw material roasted coffee beans having a Hunter L value of 12 to 35, with coffee bean-derived extract-containing water selected from water containing an extract derived from roasted coffee beans having a Hunter L value of 40 or more and water containing an extract derived from raw coffee beans.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.