Environmentally-friendly preparation method of composition containing anti-inflammatory active ingredients and use of composition
US11458180B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2020 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Oct 13, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2236/53
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An environmentally-friendly preparation method of a composition containing anti-inflammatory ingredients and use of the composition are provided. The method includes: S1. weighing a specified volume of water and adjusting the pH, adding Sophora flavescens roots, and subjecting a resulting mixture to extraction at a high temperature; S2. adjusting pH of an obtained solution in step S1, adding Glycyrrhiza inflata roots, and heating a resulting mixture to boiling for extraction; S3. adding Scutellaria baicalensis roots to an obtained boiling solution from the extraction in step S2, and subjecting a resulting mixture to extraction, filtration, and pH adjustment; S4. adding activated carbon to an obtained filtrate in step S3, and subjecting a resulting mixture to incubation and filtration; S5. adding a clarifying agent to an obtained filtrate in step S4, and subjecting a resulting mixture to standing and filtration; and S6. subjecting an obtained filtrate in step S5 to membrane separation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.