Method of extracting myricetin from Xanthoceras sorbifolia Bunge
US11944599B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2023 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Sep 29, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method of extracting myricetin from Xanthoceras sorbifolia Bunge is provided. The method includes: step 1, baking obtaining Xanthoceras sorbifolia Bunge crude powder; step 2, mixing the crude powder with a counter-current extraction solution to perform a counter-current extraction to obtain a filtrate and a filter residue; step 3, mixing the filter residue with a solvent to obtain a first mixture, and heating the first mixture to reflux for extraction to obtain an extraction liquid; step 4, mixing the extraction liquid and the filtrate, and concentrating under reduced pressure to obtain a concentrated solution; and step 5, separating and eluting the concentrated solution to obtain an eluent, then drying the eluent to obtain the myricetin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.