STABLE EXTRACT OF HYPERICUM PERFORATUM L., PROCEDURE FOR PREPARATION AND PHARMACEUTICAL COMPOSITIONS.

摘要

Stable extract of Hypericum perforatum L (St. John's wort) with a content of 0.1% to 2% hyperforin, excluding one of 2% hyperforin, characterized in that the hyperforin is stabilized against decomposition or degradation by means of a stabilizer selected from the group consisting of antioxidant stabilizers and oxygen fixers and reducing agents.