TECHNICAL FIELD OF THE INVENTION
The present invention describes an oleoresin or lipidic extract of Hypericum perforatum L., which contains hypericine and is enriched with hyperforins, and is stable over time without adding stabilisers. The extract is obtained by extraction with low-polarity
This application is a National Stage of International Application No. PCT/EP01/15281, filed Dec. 21, 2001.
The present invention relates to an improved and stable (i.e. colour-stable and, optionally, stable with regard to its hyperforin content) extract from the exposed parts of Hypericum perforatum
This application is a Rule 371 U.S. National Phase Filing of PCT/EP05/003657, filed Apr. 7, 2005, which, in turn, claims priority to European Patent Application No. 04.009213.2 filed Apr. 19, 2004, the contents of which are incorporated by reference herein in their entirety.
The present invention
The invention relates to the use of hyperforin and hyperforin-containing extracts of Hypericum perforatum L. (St. John's wort) in the treatment and prophylaxis of dementia diseases such as for example Alzheimer's disease.
The phloroglucin derivative hyperforin of the following structural formula
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