New antioxidative compounds derived from Oryza sativa cv. Heugjinjubyeo, methods for preparing them, and foods and pharmaceutical compositions comprising them

摘要

PURPOSE: A natural product-derived novel anti-oxidative compound is provided to reduce hydroxyl radical and superoxide radical and to remove ROS(reactive oxygen species). CONSTITUTION: A novel anti-oxidative compound is denoted by chemical formula 1 or 2. The anti-oxidative compound is extracted from Oryza sativa cv.(Heugjinjubyeo) The anti-oxidative compound is extracted from rice bran of the Oryza sativa cv. Using ethyl alcohol, n-hexane, water, chloroloform, ethyl acata, n-butanol and mixture thereof. Food and pharmaceutical composition contains the compound of chemical formula 1 or 2, solvent compound or stereoisomer thereof, or pharmaceutically acceptable salt as an active ingredient. The food and pharmaceutical composition is used for preventing and treating aging, cancer, platelet aggregation, multiple atherosclerosis and Parkinson's disease.