Method for preparing polyphenol extracts from spinach leaves
US8664185B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | May 4, 2010 |
| Grant date | Mar 4, 2014 |
| Priority date | — |
| Expiry date | May 4, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P21/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for preparing a concentrated spinach extract in a liquid or dry form and having a polyphenol titer greater than or equal to 50% is described. The method includes a step of purifying a raw spinach extract in a liquid form using a liquid-liquid extraction technique with a food oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.