Hydrolysates made of plant extracts and antibacterial agent containing the same
US8734857B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2008 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Jul 23, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to an antibacterial agent and a hydrolysate made of at least one extract that has been produced by extraction using ethanol/water from dried plant material of: a) at least one of the plants selected from the group consisting of: Verbena officinalis L., Sambucus nigra L., Primula veris L., Primula elatior (L.) Hill, and Gentiana lutea L.; and a mixture thereof; or b) a mixture of: Verbena officinalis L., Sambucus nigra L., Primula veris L., Gentiana lutea L., and Rumicis herba; and subsequent removal of the ethanol/water extraction agent, wherein the hydrolysate can be obtained from the extract via hydrolytic treatment using a mineral acid. The hydrolyzates according to the invention show a pronounced antibacterial effect against germs relevant to the skin, ears, nose, and throat and respiratory systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.