OBTAINING AN EXTRACT FROM BROWN ALGAE GAMETOPHYTES, AND USE OF SAID EXTRACT AS A COSMETIC ANTI-AGING ACTIVE PRINCIPLE

摘要

The invention relates to a lipophilic extract of brown algae gametophytes obtained by the method including the following consecutive steps: - a Step A) for preparing a hydro-alcoholic suspension of gametophyte cells by mixing an aqueous suspension of brown algae gametophyte cells with at least one aliphatic alcohol comprising 1 to 4 carbon atoms; - a Step B) for mixing said hydro-alcoholic suspension of algae gametophyte cells, obtained in Step A), with at least one triglyceride from fatty acids that comprise 8 to 22 carbon atoms; - a Step C) for adding water to the multiphase mixture obtained in Step B); and - a Step D) for isolating said lipophilic extract of brown algae gametophytes from the mixture obtained in Step C). The invention also relates to the cosmetic and pharmaceutical use of said extract.