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US 2006/0068043 A1Published application
Composition for treating chronic venous insufficiencies using an extract of red vine leaves
AssigneeBoehringer Ingelheim International GmbH
InventorsAnke Esperester, Hans Frey, Jean-Michel Vix
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Abstract
The invention relates to a dietary supplement consisting of an aqueous extract of red vine leaves and an acceptable carrier which prevents and reduces the discomfort relating to mild-to-moderate chronic venous insufficiency of the legs.
Claims20
A method for obtaining aqueous extract of red vine leaves comprising the steps of:
- collecting red vine leaves at a point of time when the content in flavonoids has reached an optimum;
- drying and crushing the leaves;
- cutting the leaves to pieces;
- and
- extracting the leaves with water at temperatures from 60 to 80° C. for 6 to 10 hours in an exhaustive percolation to obtain an aqueous extract of red vine leaves, wherein the aqueous extract of red vine leaves comprises 2 to 20% flavonoids and less than about 0.15% anthocyanins.
2 more elements
A method for making a composition consisting of:
- (1) an active principle consisting essentially of an aqueous extract of red vine leaves comprising 2 to 20% flavonoids and less than about 0.15% anthocyanins, and (2) a pharmaceutically, cosmetically, or dietetically acceptable carrier, the method comprising:
- collecting red vine leaves at a point of time when the content in flavonoids has reached an optimum;
- drying and crushing the leaves;
- cutting the leaves to pieces;
- extracting the leaves with water at temperatures from 60 to 80° C. for 6 to 10 hours in an exhaustive percolation to obtain an aqueous extract of red vine leaves, wherein the aqueous extract of red vine leaves comprises 2 to 20% flavonoids and less than about 0.15% anthocyanins;
- and
- combining the extract of red vine leaves with a pharmaceutically, cosmetically, or dietetically acceptable carrier.
4 more elements
Dependencies are inferred from the claim text.