Extract of zingiber zerumbet for relieving symptoms of diabetic retinopathy
US9682117B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2015 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Jul 24, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2236/333
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for manufacturing an extract of Zingiber zerumbet, which is used to manufacture the extract of Zingiber zerumbet for diabetic retinopathy, includes: soaking a raw sample of Zingiber zerumbet with vinegar for 8 hours; boiling the soaked product at 1.5-2.5 kg/m2, 95-105° C. for 30 minutes to obtain a processed sample of Zingiber zerumbet; and extracting the processed sample of Zingiber zerumbet with an extractant being water or 95% ethanol at 70-90° C. for 8 hours to obtain the extract of Zingiber zerumbet. The present invention further relates to the extract of Zingiber zerumbet and a method for diabetic retinopathy by administrating the extract of Zingiber zerumbet to a subject in need.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.