Brown algae extracts including phenolic compounds and their cosmetic uses

摘要

Extracts of brown algae comprising phenolic compounds and their cosmetic uses The present invention therefore relates to an extract of brown marine algae comprising phenolic compounds in a total content of at least 80 mg / g relative to the dry weight of the seaweed. extracted, said extract being obtained by an extraction process under pressure strictly above 10 bars and temperature strictly above 60 ° C, in particular of the accelerated solvent extraction (ASE) type, comprising an extraction step in the presence of an extraction solvent composed of a water: ethanol mixture, said extraction step comprising a single extraction cycle lasting less than 30 min, in particular between 10 and 30 min, preferably at a temperature of 150 ° C applied between 2 and 8 min, and at a high pressure of at least 10 bars. The present invention also relates to a cosmetic composition comprising this extract. Figure for the abstract: none