Eucommia extract, preparation method therefor and use thereof

摘要

A preparation method of a eucommia extract comprises: (1) solvent extraction, wherein the solvent is selected from water, methanol, ethanol, isopropanol, 1-butanol, ethylene glycol, 1,2-propanediol, 1,3-propanediol, 1,3-butanediol, acetone, ethyl acetate, or a combination thereof; (2) separation of the extract and residue, to obtain an extract; (3) optional recovery of the solvent; and (4) optional dissolution and dilution. The resulting eucommia extract has antioxidant and is anti-UVA and UVB radiation. The resulting eucommia extract can be used as an active ingredient to prepare anti-skin aging, especially anti-skin photoaging cosmetics or medicines.