Use of a root extract from Rosa multiflora as antioxidant

摘要

The present invention relates to a method for preparing an extract of Rosa multiflora and use of the extract. In detail, the present invention relates to a method for preparing an extract of Rosa multiflora containing procyanidin B3 and comprising extraction of the underground part of Rosa multiflora with an organic solvent, followed by fractionation and purification of the extract by chromatography. And the present invention also relates to use of the extract of Rosa multiflora, which prevents oxidation. The extract of Rosa multiflora of the present invention can be effectively used in treatment or prevention of various diseases due to oxidation by reactive oxygen species, maintenance of quality of food, and prevention of skin damages due to oxidation.