Method of isolating blue anthocyanin fractions
US10119029B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Feb 7, 2017 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Feb 7, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23V2002/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention is directed to a method of isolating fractions of anthocyanin molecules from anthocyanin-containing vegetable and fruit juices and extracts, or combinations thereof, at a select pH based on differences in polarity of the anthocyanin molecules in the anthocyanin-containing vegetable and fruit juices and extracts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.