Title:
【発明の名称】高いトリヒドロキシ-エチル-ルチン濃度のトロキセルチン及びその合成方法
Document Type and Number:
Japanese Patent JP2003505338
Kind Code:
A
Abstract:
The invention concerns novel troxerutin with high trihydroxy-ethyl-rutin content. Said troxerutin has at least 92 wt. % of 7,3',4'-trihydroxyethyl rutin and a wettability expressed in minutes less than 10 minutes, when said wettability is measured in a test consisting in measuring the time taken by 3.5 g of said enriched troxerutin powder to leave the surface of a beaker containing 100 ml of water, at a stabilised temperature of 20° C., when said enriched troxerutin powder is poured at the surface of the water in said beaker, and a wettability less than 100 seconds when said wettability is measured in a test consisting in measuring the time taken by said enriched troxerutin to be wetted by the water contained in a receptacle, such as a beaker, when said enriched troxerutin has been deposited at the surface of the water, in the form of cores of 2 mm wide and 3 mm high weighing 63 ? 2 mg, at a stabilised temperature of 20° C. Said troxerutin has improved properties of wettability and solubility in water.
Inventors:
Estanov, Cyril
Francois, Bourbaux
Francois, Bourbaux
Application Number:
JP2000588191A
Publication Date:
February 12, 2003
Filing Date:
December 10, 1999
Export Citation:
Assignee:
Laboratory Negma
International Classes:
A61K31/7042; A61K31/7048; A61P7/00; A61P9/14; C07H17/07; (IPC1-7): C07H17/07; A61K31/7048; A61P9/14
Foreign References:
| US3420815A | 1969-01-07 | |||
| CS225440B1 | 1984-02-13 | |||
| GB1045010A | 1966-10-05 |
Attorney, Agent or Firm:
Shohei Oguri (4 outside)