Alkylene glycol extraction of antioxidants from vegetable matter
US5795609A · kind A · utility
2Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1996 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Feb 20, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23L27/11
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
Antioxidant substances are obtained from vegetable matter by mixing vegetable matter containing antioxidant substances with a C.sub.2 -C.sub.6 alkylene glycol and subjecting the mixture to pressure of at least 40 bar to obtain a liquid extract. In carrying out the process, the vegetable matter mixed with the alkylene glycol has a moisture content of from 5% to 30% by weight. Further, to subject the mixture to pressure, the mixture is pressed, and additionally, the process includes filtering the extract to obtain a clear extract.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.