Concentrate of triterpenes
US6824811B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2002 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | Oct 14, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P3/02
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
The invention concerns concentrates of ursolic acid or its salts and oleanoic acid, wherein(i) ursolic acid and oleanoic acid or its salts are present in an total amount for the two of more than 22 wt %, preferably 30 to 65 wt %(ii) sugar residues are present in an amount of less than 40 wt %, preferably less than 25 wt %, in particular in an amount of 1 to 10 wt %(iii) while ursolic acid and oleanoic acid or its salts are present in a weight ratio of more than 3.6, preferably 4.0 to 6.0(iv) the balance being other materials, including glycerides and/or triterpenes other than ursolic acid and oleanoic acid and a method to make these concentrates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.