| 摘要 |
<p>The invention relates to a mixture to be included in a composition or its semifinished product that is administered to a mammal or gets into contact with a mammal, said composition or its semifinished product containing at least one first effective agent; as well as a possible solvent system with either hydrophobic or hydrophilic nature, selected according to the target of usage; and a possible surface active agent. The mixture is obtained by pulverizing wood or plant material and/or by extracting the possibly pulverized wood or plant material, so that said mixture contains at least two different polyphenolic compounds, selected from among the group: lignans, stilbenes, juvabiones and flavonoids, said mixture also containing oligomers of said polyphenolic compounds; the mixture does not irritate the skin in a so-called single patch test; the cytotoxicity of the polyphenols contained in the mixture is at least 10 times lower with respect to BHT; the mixture has the same effective properties as the effective agent contained in the composition or its semifinished product; and the mixture also has effects for modifying the properties of the first effective agent, or effects for increasing the safety of usage of the first effective agent.</p> |
