Curcuminoid-based compound/stevioside-containing complex for the prevention and treatment of an influenza virus infection
US10136663B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2012 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Apr 12, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/16
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a complex comprising a compound of formula (I), or a plant extract comprising the compound or a fraction thereof; and stevioside, or a plant extract comprising the stevioside or a fraction thereof, and relates to a pharmaceutical composition for preventing or treating an influenza virus infection comprising the complex as an active ingredient. Also, the present invention relates to a food composition for preventing or improving an influenza virus infection, a virucidal quasi-drug composition, a virucidal feed additive, and a feed, which comprises the complex as an active ingredient. According to the present invention, the complex comprising a compound of formula (I), or a plant extract comprising the compound or a fraction thereof; and stevioside, or a plant extract comprising the stevioside or a fraction thereof exhibits a virucidal effect and an effect of inhibiting cell degradation against an influenza virus as well as antiviral efficacy in a specific pathogen-free (SPF) chicken, and thus can be usefully used in the prevention and treatment of an influenza virus infection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.