Title:
A manufacturing method of a grape leaf origin concentration extract
Document Type and Number:
Japanese Patent JP5979762
Kind Code:
B2
Abstract:
The present application relates to a process for preparing an extract of leaves of Vitis vinifera L. comprising the following steps: a) preparing a drug from leaves of Vitis vinifera L. b) extracting the drug with an eluant selected from among water and mixtures of water with alcohol, to obtain a raw extract, c) separating the raw extract from the extracted drug, d) at least partly eliminating the eluant, to obtain a thick extract, e) redissolving the thick extract in water, f) separating off any insoluble constituents, g) selectively concentrating secondary plant ingredients by i. a 2-phase extraction or ii. membrane filtration; the extract that is obtainable therefrom, pharmaceutical preparations containing this extract and the use thereof.
Inventors:
Shoiling Uwe
Langer Martin
Plowman Bernd
Faister Bjorn
Valbruel Bernd
Langer Martin
Plowman Bernd
Faister Bjorn
Valbruel Bernd
Application Number:
JP2013511625A
Publication Date:
August 31, 2016
Filing Date:
May 20, 2011
Export Citation:
Assignee:
Boehringer Ingelheim International GmbH
International Classes:
A61K36/87; A23L33/105; A61K39/39; A61P9/10; A61P9/14; A61P29/00
Domestic Patent References:
| JP2003511476A | ||||
| JP2048593A |
Foreign References:
| US5912363 |
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Koji Watanabe
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Koji Watanabe