METHOD FOR OBTAINING EPSILON-VINIFERIN AND/OR RESVERATROL AND CORRESPONDING PRODUCTS

摘要

The invention relates to a method for obtaining purified &egr;-viniferin (Vf-Dry) and/or resveratrol which has a low content or is even free of &egr;-viniferin (Rv-Dry), from an extract, which is crude (EBPS), dry (EBPS-dry), or in solution (EBPS-Sol), of a plant material rich in stilbenoid polyphenols, characterized in that it comprises at least one cycle of adsorption-desorption on a solid substrate such as poly(vinylidene fluoride) or PVDF with EBPS-Sol, and/or partition of this EBPS-Sol solution with ethyl acetate. Applications in particular in the cosmetics industry and in therapy.