Method for extracting flavone aglycones in chrysanthemum morifolium, extract obtained thereby and anti-inflammatory pharmaceutical composition
US12128082B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Dec 23, 2021 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Apr 30, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2236/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for extracting flavone aglycones in Chrysanthemum morifolium is provided. The method includes: (a) immersing a Chrysanthemum morifolium raw material in water or an aqueous solution to perform an immersion procedure for 3.5 hours or more to obtain an immersion sample; and (b) adding an extraction solvent to the immersion sample to perform an extraction procedure 5-60 minutes to obtain an extract. The Chrysanthemum morifolium raw material includes at least one of the following parts of Chrysanthemum morifolium: whole plant, roots, stems, leaves and flowers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.